2022-2023学年上海市闵行区联考七年级上学期期中考试英语试卷含答案

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汉阳区2022-2023学年上学期期末调研监测七年级英语试卷(word版含答案)

汉阳区2022-2023学年上学期期末调研监测七年级英语试卷(word版含答案)

汉阳区2022-2023学年度第二学期摸底调研监测七年级英语试卷第I卷(选择题,共85分)第一部分听力部分一、听力测试(共三节,满分25分)第一节(共4小题,每小题1分,满分4分)听下面4个问题。

每个问题后有三个答语。

从题中所给的A、B、C三个选项中选出最佳选项。

听完每个问题后,你都有5秒钟的时间来作答和阅读下一个小题。

每个问题仅读一遍。

(4分)1. A. Sounds great. B. That’s right. C. Good boy.2. A. Yes, I am. B. Yes, I will. C. Yes, I do.3. A. I’m fine. B. It’s OK. C. All right.4. A. In 1982. B. On September 11th. C. At six o’clock.第二节(共8小题;每小题1分,满分8分)听下面8段对话。

每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项。

听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

5. What color is the skirt?A. Purple.B. Green.C. Red.6. What does the man want?A. Tea.B. Water.C. Cola.7. What does Rick want to do?A. Go shopping.B. Play volleyball.C. Play Ping-Pong.8. How much is one pair of shorts?A. 25 dollars.B. 15 dollars.C. 50 dollars.9. What do they have for dinner?A. Some vegetables and beef.B. Some beef and fruit.C. Fruit and vegetables.10. How many events, do they have in December?A. One.B. Two.C. Three.11. What’s Cindy’s mother’s name?A. Mom.B. Jenny.C. Darling.12. What sports are they talking about?A. Basketball.B. Soccer.C. Tennis.第三节(共13小题;每小题1分,满分13分)听下面4段对话或独白。

上海市建平中学西校2022-2023学年七年级上学期期中英语试卷精选全文完整版

上海市建平中学西校2022-2023学年七年级上学期期中英语试卷精选全文完整版

可编辑修改精选全文完整版2022-2023学年上海市建平中学西校七年级(上)期中英语试卷一、Fill in the blanks according to the given phonetic sounds.1.People's [ˈkruːəlti] to animals must be criticized and punished.2.I think Anna is a very ['speʃl] friend.3.Thousands of [ˈfɒrɪnəz] come to visit the Great Wall every year.4.Exercise can [ɡɑːd]against a number of illness.二、Choose the best answer.5.Which of the following intonations is wrong?()A.Did you sleep well last night?↑B.He liked to grow vegetables in his garden when he was free.↓C.Would you like some coffee or tea?↑D.Which puppy do you like better?↓6.Doris works in _______ estate agency and ________ estate agency is very far from her home.()A.an,a B.an;the C.a,an D.a;the 7.Guangzhou is _________ the south of Shanghai.()A.in B.of C.to D.from8.When he walks to school,he can see a lot of people____________ different kinds of snacks near his school.()A.to sell B.sold C.is selling D.selling9.Our Art teacher let us________ some crayons and paint to class next time.()A.take B.to take C.taking D.takes 10.There are over__________ books in our school library.()A.two thousands B.two thousandC.thousands D.thousand of11.His brother is a fireman and he_________ fires.()A.puts on B.puts up C.puts out D.puts down 12.﹣﹣_______ you _______ anything for dinner,Jane?﹣﹣No,not yet.I'm going to have some noodles.()A.Did...have B.Do...haveC.Have...had D.Will ...have13.﹣﹣______ is the little baby?﹣﹣Only six months old.()A.How long B.How old C.How often D.How many 14.﹣﹣_________?﹣﹣I ate too much for breakfast this morning.I have a stomachache now.()A.What's the matter B.Can I help youC.How do you do D.How are you doing三、Complete the following passage with the words in the box. Each can be used only once. 15.A.placesB.reallyC.twiceD.reasonE.in a hurryMany people who have lived in big cities and small towns think that people walk faster in the cities.They always seem to be (1).A group of scientists decided to find out if city people really do walk faster.The scientists went to many big cities and small towns.They timed how fast the people walked.The scientists found out that city walkers move at almost(2)the rate(率)of walkers in small towns.Why do people in the cities walk faster?Maybe It's because they are more nervous.Maybe it's because they have more(3)to go to.What do you think is the (4)?16.A.bothB.cheapC.agreesD.excitingE.needn'tAn important question about eating out is who pays for the meal.If a friend of yours asks you to have lunch with him,you may say something like this,"I'm afraid it'll have to be someplace (1),as I have very little money." The other person may say,"OK,I will meet you at McDonald's." This means that each(2)to pay for himself.He may also say,"Oh,no.I want to take you to lunch at Johnson's." Or I want you to try the steak there.It's great."This means the person wants to pay for(3)of you.If you feel friendly to this person,you can go with him and you (4)pay for the meal.You may just say,"Than you.That would be very nice."四、Complete the sentences with the given words in their proper forms.17.Jackson and his three classmates will work as after they leave school. (engine)18.Help to some fish,everyone.(you)19.I'm so glad that my friend sends me an for her birthday party.(invite)20.People from different countries will have an football match.(national)21.This is your time to visit Shanghai.(one)22.She the little girl from falling into the river yesterday.(safe)五. Rewrite the sentences as required.23.Jerry drove quickly to the company this morning.(改为一般疑问句)Jerry quickly to the company this morning?24.The manager has several meetings to attend every Monday.(改为否定句)The manager several meetings to attend every Monday.25.It is an untidy room.(改为感叹句)the room is!26.It is 2 hours' ride to travel from Baoshan to Pudong by bike.(划线部分提问)is it to travel from Baoshan to Pudong by bike?27.What does Amy's father do ?(保持句意相同)Amy's father's ?28.you,do ,suburbs,in,to ,live,the ,like(连词成句)六.Choose the best answer.29.Three students are choosing a course at The West Midlands College of Technology.ClaraAt first I thought about the Sports Studies Course because I really enjoy swimming and football,but in the end I decided that the Leisure(休闲)and Tourism Course is better for me.You see,I like meeting people and I'd really like to work abroad for a few years,maybe asa tour guide or in a hotel,maybe in Spain.TakaI'd really like to do a course in art because I'm very interested in art,but I have to think about my job.I work as a fashion designer and when I go back to Japan I want to use a computer to design clothes,so I'm going to the Information Technology Course.I can study art and photography(摄影)in my free time!BenYeah,well,I want to have a good time at college,you know,meet lots of people and I don't want to work too much!I like computers a lot and I might do a job with computers one day in the future,but at the moment I'm really interested in music,you know.I'm in a rock band,so I've decided to do the Performing Arts Course.Then in the first year I can do music and in the second year I'll probably do a course in singing.Then my friends in the band and I can be rich and famous!(1)Clara wishes to become a after leaving college.A.footballerB.swimmerC.hotel managerD.tour guide(2)We can learn from the passage that Clara is a(n)person.A.patientB.activeC.gentleD.traditional(3)From Taka's introduction we know that she is from .A.SpainB.BritainC.JapanD.Thailand(4)Taka wants to learn with computers from the Information Technology Course.A.how to design clothesB.how to make photos betterC.how to draw wellD.how to design indoor decoration(5)Ben would like to during his study at college.A.study more on computersB.set up a new rock bandC.do more part﹣time jobsD.focus on music and singing(6)Besides the Performing Arts Course,might be another good choice for Ben.A.the Leisure and Tourism CourseB.the Sports Studies CourseC.the information Technology CourseD.the Fashion Designing Course七、Choose the words or expressions to complete the passage.30.Your room is your own special room.It's(1)just a place for you to study and sleep.So make it fun and enjoyable to live in.Here are some tips to help you.Give your room a theme.Having a theme makes your room look more stylish and beautiful.A room's theme can be(2).It could be about one of your favourite things,like football or music or a colour.Pick a theme and keep it in mind,then(3)the room around the theme you have chosen.(4),some boys like skateboarding.Paint the walls in skater stripes,and useskateboards as shelves.(5)you are a girl,you may be more interested in animals like dolphins.Pick curtains and bed covers with dolphin patterns on them.Put dolphin toys on your bed,too.Draw or paint pictures of dolphin patterns on your walls.Make your room as blue as the(6).So when you walk into the room,you feel like it's home for dolphins!(1)A.less than B.more than C.as such as D.as long as(2)A.different B.difficult C.important D.interesting(3)A.clean B.decorate C.move D.change(4)A.As is said B.As a result C.For example D.Such as(5)A.As B.While C.When D.If(6)A.sky B.sea ke D.river八、Read the passage and fill in the blanks with proper words.31.Three small fish lived in the sea.When they were very (1)y ,their parents died.They had to look after each other day after day.Finally,they grew up and dared to swim(2)d and further.One morning,the three fish were taken to a shallow water by a big wave.A small boat was taken there,too.It was hard for the fish to go back to the sea because the boat was right in front of them.The largest fish realized that they were in (3)d and said they had to find a way to leave there as fast as possible.The second largest fish(4)a ,but the youngest one did not.He said that there was much water for their activities,so he would not worry at all and still swam around (5)h .At last the largest fish returned to the sea by jumping over the lowest part of the boat.The second largest fish also succeeded in joining his elder brother in the other side of water.But the youngest one didn't follow them and still swam joyfully.Two hours later,when the (6)s rose up,the water in the small shallow corner dried up.The fish who did not try to return to the sea died of lack of water.九、Answer the questions32.John Brown,an office worker,lives in Washington.He inherited(继承)$1,000,000 when he was 23.He didn't feel happy at all.His college friends were looking for their first jobs,but he didn't have to.John decided to keep living a simple life like everyone else.He didn't tell any of his friends and gave$100,000 of his money to a charity(慈善机构)that helped poor children to live better lives.Today he is 36,he still wears cheap shoes and clothes and owns a small car only.but he is much happier.Up to now John has helped 15 children from poor countries all over the world.$200 a month for each.The child does not receive the money in cash.The money pays for the child'sschool expenses,food,medical care and clothing.John receives a report each year on the child's progress.They can write to each other,but usually the children do not speak English. ,When John first heard about these children,he wanted to help them. "It was not anything special,"he said,"Until I had the chance to go to these countries and meet the children I was helping,I did not know anything about the type of life they had. "Once John went to meet a little girl in Africa.He said that the meeting was very exciting."When I met her,I felt very,very happy,"he said. "I saw that the money was used for a very good plan.It brought me closer to the child in a way that giving money alone cannot.""I want to do everything I can.I will go on helping those children in need,"he added.(1)Did he feel happy when he inherited a lot of money?(2)What kind of life is John living?(3)Does he help the children in his own country or those from around the world?(4)How much does John give to each of child every month?(5)Why did John say that the meeting with the little girl was very exciting?(6)What do you think of John Brown?Why?十、Writing33.Suppose your friend Ben is going to travel in Shanghai next week.Please design a travel plan and write a letter to tell him about it.Write at least 50 words.(假设你的朋友Ben要来你上海旅游,请你为他设计一份旅行计划书并写信告知他。

上海市闵行区罗阳中学2022—2023学年七年级上学期开学考试数学试题

上海市闵行区罗阳中学2022—2023学年七年级上学期开学考试数学试题

2022-2023学年上海市闵行区罗阳中学七年级(上)开学数学试卷(五四学制)(含答案与解析)一、填空:(每题2分,共22分)1.(2分)计算:a3•a3=.2.(2分)(﹣x)3•x•(﹣x)2=.3.(2分)用含有x的代数式表示:7减去x的3倍差的立方.4.(2分)已知x3n=5,则2x9n=.5.(2分)已知a m=3,b m=5,则(a2b3)m的值为.6.(2分)已知2x=a,2y=b,a,b表示5•23x+2y﹣6•8x+2y为.7.(2分)当x=2时代数式ax2+bx﹣3的值为5,当x=1时代数式(2ax2+bx﹣5)4的值为.8.(2分)已知x﹣5=y+4=z+1,代数式(y﹣x)2+(z﹣x)2+(y﹣z)2的值为.9.(2分)用简便方法计算24×32×53+326×0.1256×(﹣0.25)5+()100×()99=.10.(2分)x n﹣1y+(3﹣n)xy n﹣2﹣nx n﹣3y+4x n﹣4y3﹣mx2y n﹣4+(n﹣3)是关于x与y的五次三项式,则(﹣)5=.11.(2分)已知x=57,y=75,用含x,y的代数式表示257﹣4935+3535为.二、选择:(每题3分,共12分)12.(3分)下列各式中,﹣xyz+1,r2,π﹣1,﹣1,是多项式的有()A.1个B.2个C.3个D.4个13.(3分)下列运算正确的是()A.4x3•2x2=6x2B.3x2•2x3=6x6C.(﹣3x5)•(﹣2x2)2=﹣12x9D.﹣x•(﹣x)12(﹣x3)3=﹣x1914.(3分)若8x a+5•y2b﹣3•(﹣0.25y a+5x b)=﹣2x4y3则a﹣b的值为()A.﹣1B.5C.1D.﹣515.(3分)下列说法正确的个数是()①x2y,x2y2,xy,xy2分别是多项式x的项;②关于x的多项式mx3+4nx+t+3是三次四项式;③若﹣x2y n﹣1与7x2y7是同类项,则n=8;④三次多项式中至少有一项为三次单项式.A.1个B.2个C.3个D.4个三、计算:(每题5分,共30分)16.(5分)a•(﹣a5)•(﹣a6)•(﹣a)7•(﹣a)2.17.(5分)9(xy)3•(﹣)2+(﹣x2y)2+(﹣x2y)3•xy2.18.(5分)(3a)3•(a n﹣1)2•(a2)2+n•(﹣a)2n﹣1.19.(5分)计算:(﹣x2)•x3•(﹣2y)3+(2xy)2•(﹣x)3•y.20.(5分)0.125(x﹣y)3•(y﹣x)4﹣0.875(y﹣x)•(y﹣x)6+(x﹣y)2•(y﹣x)5+0.5(y ﹣x)7.21.(5分)(﹣x2•x3)2•(0.5x2﹣1.5x2)5﹣(﹣x2)3•[(﹣x)3]2•[(﹣x)4]2.四、解答题(第22/23题每题5分,第24--26题每题6分,第27题8分,共36分)22.(5分)已知(a﹣5)4+|b﹣1|=0,化简代数式a3﹣{a3﹣[7a2b+4ab2﹣(5ab2﹣2b3+5ba2)]}并求值.23.(5分)已知,求:(1);(2)()2﹣的值.24.(6分)已知a2n=4,求a3n﹣(a3)2n的值.25.(6分)已知2•8n•16n=222,32x+3﹣32x+1=648,求(﹣x)n.26.(6分)已知42x•52x+1﹣42x+1•52x=203x﹣4,求x的值.27.(8分)为了抓住中秋商机,某超市决定购进A,B两种月饼,若购进A种月饼10盒,B种月饼5盒,需要600元;若购进A种月饼5盒,B种月饼3盒,需要330元.该超市决定拿出6000元全部用来购进两种月饼,考虑市场需求,要求购进A种月饼的数量不少于B种月饼数量6倍,且不超过B种月饼数量的8倍.若销售每盒A种月饼可获利20元,销售每盒B种月饼可获利30元,怎样设计进货方案才能使得获利最大?最大利润是多少元?2022-2023学年上海市闵行区罗阳中学七年级(上)开学数学试卷(五四学制)参考答案与试题解析一、填空:(每题2分,共22分)1.(2分)计算:a3•a3=a6.【分析】根据同底数幂乘法,底数不变指数相加,即可求出答案.【解答】解:a3•a3=a6.故答案为:a6.【点评】本题主要考查了同底数幂的乘法,在解题时要能灵活应用同底数幂的乘法法则,熟练掌握运算性质是解题的关键.2.(2分)(﹣x)3•x•(﹣x)2=﹣x6.【分析】先进行幂的乘方的运算,再进行同底数幂的乘法的运算即可.【解答】解:(﹣x)3•x•(﹣x)2=﹣x3•x•x2=﹣x6.故答案为:﹣x6.【点评】本题主要考查同底数幂的乘法,解答的关键是对相应的运算法则的掌握.3.(2分)用含有x的代数式表示:7减去x的3倍差的立方(7﹣3x)3.【分析】先表示x的3倍,再表示两数的差,再表示差的立方.【解答】解:依题意有:(7﹣3x)3.故答案为:(7﹣3x)3.【点评】本题考查了列代数式:把问题中与数量有关的词语,用含有数字、字母和运算符号的式子表示出来,就是列代数式.4.(2分)已知x3n=5,则2x9n=250.【分析】利用幂的乘方的法则进行计算,即可得出答案.【解答】解:∵x3n=5,∴2x9n=2(x3n)3=2×53=2×125=250,故答案为:250.【点评】本题考查了幂的乘方与积的乘方,掌握幂的乘方的法则是解决问题的关键.5.(2分)已知a m=3,b m=5,则(a2b3)m的值为1125.【分析】利用幂的乘方与积的乘方的法则进行计算,即可得出答案.【解答】解:∵a m=3,b m=5,∴(a2b3)m=a2m b3m=(a m)2•(b m)3=32×53=9×125=1125,故答案为:1125.【点评】本题考查了幂的乘方与积的乘方,掌握幂的乘方与积的乘方的法则是解决问题的关键.6.(2分)已知2x=a,2y=b,a,b表示5•23x+2y﹣6•8x+2y为5a3b2﹣6a3b6.【分析】利用幂的乘方与积的乘方的法则进行计算,即可得出答案.【解答】解:∵2x=a,2y=b,∴5•23x+2y﹣6•8x+2y=5•23x•22y﹣6•8x•82y=5•(2x)3•(2y)2﹣6•(2x)3•(2y)6=5a3b2﹣6a3b6,故答案为:5a3b2﹣6a3b6.【点评】本题考查了幂的乘方与积的乘方,掌握幂的乘方与积的乘方的法则是解决问题的关键.7.(2分)当x=2时代数式ax2+bx﹣3的值为5,当x=1时代数式(2ax2+bx﹣5)4的值为1.【分析】直接把x=2代入进而得出4a+2b=8,再把x=1代入求出答案.【解答】解:∵当x=2时,代数式ax2+bx﹣3的值为5,∴4a+2b=8,∴2a+b=4,∴当x=1时,代数式(2ax2+bx﹣5)4=(4﹣5)4=1.故答案为:1.【点评】此题主要考查了代数式求值,正确将原式变形是解题关键.8.(2分)已知x﹣5=y+4=z+1,代数式(y﹣x)2+(z﹣x)2+(y﹣z)2的值为126.【分析】先加减法求出z﹣x=﹣6,y﹣x=﹣9,y﹣z=﹣3,进而代入解答即可.【解答】解:∵x﹣5=y+4=z+1,∴z﹣x=﹣6,y﹣x=﹣9,y﹣z=﹣3,把z﹣x=﹣6,y﹣x=﹣9,y﹣z=﹣3代入(y﹣x)2+(z﹣x)2+(y﹣z)2=81+36+9=126,故答案为:126.【点评】此题主要考查了代数式求值,正确将原式变形是解题关键.9.(2分)用简便方法计算24×32×53+326×0.1256×(﹣0.25)5+()100×()99=17996.【分析】先算乘方,再算乘除,最后算加减;同级运算,应按从左到右的顺序进行计算;如果有括号,要先做括号内的运算.【解答】解:24×32×53+326×0.1256×(﹣0.25)5+()100×()99=(2×5)3×(2×32)+4×(86×0.1256)×(﹣4×0.25)5+()100×()99=103×(2×9)+4×(8×0.125)6×(﹣1)5+×(×)99=1000×18+4×16×(﹣1)+×199=18000+4×1×(﹣1)+×1=18000﹣4+=17996.故答案为:17996.【点评】本题考查了有理数的混合运算,有理数混合运算顺序:先算乘方,再算乘除,最后算加减;同级运算,应按从左到右的顺序进行计算;如果有括号,要先做括号内的运算.进行有理数的混合运算时,注意各个运算律的运用,使运算过程得到简化.10.(2分)x n﹣1y+(3﹣n)xy n﹣2﹣nx n﹣3y+4x n﹣4y3﹣mx2y n﹣4+(n﹣3)是关于x与y的五次三项式,则(﹣)5=1.【分析】先根据原多项式是一个五次三项式得出m的值,代入原式后,根据原式为三项式,得出m的值,最后把m,n代入(﹣)5求解即可.【解答】解:原多项式是一个五次三项式,最高项是x n﹣1y,∴n﹣1+1=5,∴n=5,∴原式=x4y﹣2xy3﹣5x2y+4xy3﹣mx2y+2=x4y+(﹣2xy3+4xy3)﹣(5x2y+mx2y)+2=x4y+2xy3﹣(5+m)x2y+2,∴﹣(m+5)=0∴m=﹣5,∴(﹣)5=,故答案为:1.【点评】本题考查了分式的乘除法及多项式,解题的关键是弄清多项式次数是多项式中次数最高的项的次数.11.(2分)已知x=57,y=75,用含x,y的代数式表示257﹣4935+3535为x2﹣y14+x5y7.【分析】利用幂的乘方与积的乘方的法则进行计算,即可得出答案.【解答】解:∵x=57,y=75,∴257﹣4935+3535=(52)7﹣(72)35+(5×7)35=(57)2﹣(75)14+(57)5•(75)7=x2﹣y14+x5y7,故答案为:x2﹣y14+x5y7.【点评】本题考查了幂的乘方与积的乘方,掌握幂的乘方与积的乘方的法则是解决问题的关键.二、选择:(每题3分,共12分)12.(3分)下列各式中,﹣xyz+1,r2,π﹣1,﹣1,是多项式的有()A.1个B.2个C.3个D.4个【分析】根据多项式的定义,即可解答.【解答】解:下列各式中,﹣xyz+1,r2,π﹣1,﹣1,是多项式的有:﹣xyz+1,π﹣1,所以,共有2个,故选:B.【点评】本题考查了多项式,熟练掌握多项式的定义是解题的关键.13.(3分)下列运算正确的是()A.4x3•2x2=6x2B.3x2•2x3=6x6C.(﹣3x5)•(﹣2x2)2=﹣12x9D.﹣x•(﹣x)12(﹣x3)3=﹣x19【分析】利用单项式乘单项式的法则,同底数幂的乘法的法则,积的乘方的法则对各项进行运算即可.【解答】解:A、4x3•2x2=8x5,故A不符合题意;B、3x2•2x3=6x5,故B不符合题意;C、(﹣3x5)•(﹣2x2)2=﹣12x9,故C符合题意;D、﹣x•(﹣x)12(﹣x3)3=x22,故D不符合题意;故选:C.【点评】本题主要考查同底数幂的乘法,解答的关键是对相应的运算法则的掌握.14.(3分)若8x a+5•y2b﹣3•(﹣0.25y a+5x b)=﹣2x4y3则a﹣b的值为()A.﹣1B.5C.1D.﹣5【分析】直接利用单项式乘单项式运算法则得出关于a,b的方程组,进而得出答案.【解答】解:∵8x a+5•y2b﹣3•(﹣0.25y a+5x b)=﹣2x4y3,∴﹣2x a+b+5y2b﹣3+a+5=﹣2x4y3,∴,解得:,故a﹣b=﹣3﹣2=﹣5.故选:D.【点评】此题主要考查了单项式乘单项式运算,正确掌握相关运算法则是解题关键.15.(3分)下列说法正确的个数是()①x2y,x2y2,xy,xy2分别是多项式x的项;②关于x的多项式mx3+4nx+t+3是三次四项式;③若﹣x2y n﹣1与7x2y7是同类项,则n=8;④三次多项式中至少有一项为三次单项式.A.1个B.2个C.3个D.4个【分析】分别根据多项式、单项式以及同类项的定义逐一判断即可.【解答】解:①x2y,﹣x2y2,﹣xy,xy2分别是多项式x2y﹣x2y2﹣xy+xy2的项,故原说法错误;②关于x的多项式mx3+4nx+t+3是三次四项式,故原说法正确;③若﹣x2y n﹣1与7x2y7是同类项,则n=8,说法正确;④三次多项式中至少有一项为三次单项式,说法正确;所以说法正确的个数是3个.故选:C.【点评】本题考查了单项式、多项式与同类项,掌握相关定义是解答本题的关键.三、计算:(每题5分,共30分)16.(5分)a•(﹣a5)•(﹣a6)•(﹣a)7•(﹣a)2.【分析】利用同底数幂的乘法的法则进行运算即可.【解答】解:a•(﹣a5)•(﹣a6)•(﹣a)7•(﹣a)2=a•(﹣a5)•(﹣a6)•(﹣a7)•a2=﹣a21.【点评】本题主要考查同底数幂的乘法,解答的关键是对相应的运算法则的掌握.17.(5分)9(xy)3•(﹣)2+(﹣x2y)2+(﹣x2y)3•xy2.【分析】直接利用积的乘方运算法则以及单项式乘单项式运算法则计算,再合并得出答案.【解答】解:原式=9x3y3•x4y2+x4y2+(﹣x6y3)•xy2=x7y5+x4y2﹣x7y5=x4y2.【点评】此题主要考查了积的乘方运算以及单项式乘单项式运算,正确掌握相关运算法则是解题关键.18.(5分)(3a)3•(a n﹣1)2•(a2)2+n•(﹣a)2n﹣1.【分析】直接利用幂的乘方与积的乘方运算法则、单项式乘单项式运算法则分别化简得出答案.【解答】解:原式=27a3•a2n﹣2•a4+2n•(﹣a)2n﹣1=﹣27a6n+4.【点评】此题主要考查了积的乘方运算以及单项式乘单项式运算,正确掌握相关运算法则是解题关键.19.(5分)计算:(﹣x2)•x3•(﹣2y)3+(2xy)2•(﹣x)3•y.【分析】根据积的乘方和同底数幂的乘法法则求解即可.【解答】解:原式=x2•x3•8y3﹣4x2y2•x3•y=8x5y3﹣4x5y3=4x5y3.【点评】本题考查了幂的乘方和同底数幂的乘法,解答本题的关键是掌握幂的乘方和同底数幂的乘法法则.20.(5分)0.125(x﹣y)3•(y﹣x)4﹣0.875(y﹣x)•(y﹣x)6+(x﹣y)2•(y﹣x)5+0.5(y ﹣x)7.【分析】根据同底数幂的乘法法则化简后,再合并同类项即可.【解答】解:0.125(x﹣y)3•(y﹣x)4﹣0.875(y﹣x)•(y﹣x)6+(x﹣y)2•(y﹣x)5+0.5(y﹣x)7=0.125(x﹣y)7+0.875(x﹣y)7﹣(x﹣y)7﹣0.5(x﹣y)7=(0.125+0.875)(x﹣y)7+(﹣﹣0.5)(x﹣y)7=(x﹣y)7﹣2(y﹣x)7=﹣(y﹣x)7.【点评】本题考查了整式的混合运算,掌握同底数幂的乘法法则是解答本题的关键.21.(5分)(﹣x2•x3)2•(0.5x2﹣1.5x2)5﹣(﹣x2)3•[(﹣x)3]2•[(﹣x)4]2.【分析】利用幂的乘方与积的乘方运算法则,进行计算即可解答.【解答】解:(﹣x2•x3)2•(0.5x2﹣1.5x2)5﹣(﹣x2)3•[(﹣x)3]2•[(﹣x)4]2=x10•(﹣x10)﹣(﹣x6)•x6•x8=﹣x20+x20=0.【点评】本题考查了幂的乘方与积的乘方,准确熟练地进行计算是解题的关键.四、解答题(第22/23题每题5分,第24--26题每题6分,第27题8分,共36分)22.(5分)已知(a﹣5)4+|b﹣1|=0,化简代数式a3﹣{a3﹣[7a2b+4ab2﹣(5ab2﹣2b3+5ba2)]}并求值.【分析】利用非负数的性质求出a与b的值,原式去括号合并即可代入计算即可求出值.【解答】解:∵(a﹣5)4+|b﹣1|=0∴a﹣5=0,b=﹣1,解得:a=5,b=﹣2,原式=a3﹣a3+7a2b+4ab2﹣5ab2+2b3﹣5a2b=2a2b﹣ab2+2b3,当a=5,b=﹣2时,原式=2×52×(﹣2)﹣5×(﹣2)2+2×(﹣2)3=﹣100﹣20﹣16=﹣136.【点评】此题考查了整式的加减﹣化简求值,以及非负数的性质,熟练掌握运算法则是解本题的关键.23.(5分)已知,求:(1);(2)()2﹣的值.【分析】化简分式可得x=y,代入可求解.【解答】解:∵,∴4x﹣2y=2x+3y,∴2x=5y,∴x=y,(1)原式==,(2)原式=()2﹣=﹣1=.【点评】本题考查了分式的混合运算,化简分式得到x=y是解题的关键.24.(6分)已知a2n=4,求a3n﹣(a3)2n的值.【分析】利用幂的乘方与积的乘方运算法则,进行计算即可解答.【解答】解:∵a2n=4,∵a2n=22,∴a n=2,∴a3n﹣(a3)2n=(a n)3﹣(a n)6=23﹣26=﹣56.【点评】本题考查了幂的乘方与积的乘方,准确熟练地进行计算是解题的关键.25.(6分)已知2•8n•16n=222,32x+3﹣32x+1=648,求(﹣x)n.【分析】利用幂的乘方与积的乘方运算法则,进行计算即可解答.【解答】解:∵2•8n•16n=2•23n•24n=27n+1,∵2•8n•16n=222,∴7n+1=22,∴n=3,∵32x+3﹣32x+1=9•32x+1﹣32x+1=8•32x+1,∵32x+3﹣32x+1=648,∴32x+1=81=34,∴2x+1=4,∴x=,∴(﹣x)n=.【点评】本题考查了幂的乘方与积的乘方,准确熟练地进行计算是解题的关键.26.(6分)已知42x•52x+1﹣42x+1•52x=203x﹣4,求x的值.【分析】利用幂的乘方与积的乘方运算法则,进行计算即可解答.【解答】解:∵42x•52x+1﹣42x+1•52x=5×42x•52x﹣4×42x•52x=202x,∵42x•52x+1﹣42x+1•52x=203x﹣4,∴2x=3x﹣4,∴x=4.【点评】本题考查了幂的乘方与积的乘方,准确熟练地进行计算是解题的关键.27.(8分)为了抓住中秋商机,某超市决定购进A,B两种月饼,若购进A种月饼10盒,B种月饼5盒,需要600元;若购进A种月饼5盒,B种月饼3盒,需要330元.该超市决定拿出6000元全部用来购进两种月饼,考虑市场需求,要求购进A种月饼的数量不少于B种月饼数量6倍,且不超过B种月饼数量的8倍.若销售每盒A种月饼可获利20元,销售每盒B种月饼可获利30元,怎样设计进货方案才能使得获利最大?最大利润是多少元?【分析】先求出A,B两种月饼的进价,设用6000元购买A种月饼为a盒,B种月饼为b盒,销售完这批月饼获利w元,根据总利润=A,B两种月饼利润之和列出函数解析式,再根据题意求出a,b之间的关系,利用函数的性质求值即可.【解答】解:购进A,B两种月饼每盒分别是x元,y元.,解得:,∴购进A,B两种月饼每盒分别是30元,60元;设用6000元购买A种月饼为a盒,B种月饼为b盒,则,解得20≤b≤25,设销售完这批月饼获利w元,根据题意得:w=20a+30b,∵30a+60b=6000,∴a=200﹣2b,∴代入上式得:W=﹣10b+4000,∵﹣10<0,∴W随着b的增大而减小,∴当b=20时,W最大,即此时a=160时,W最大,∴W最大=﹣10×20+4000=3800(元),此时a=200﹣2b=160,答:获利最大的方案为:购进A种月饼160盒,B种月饼20盒,最大利润为3800元.【点评】本题考查了一元一次不等式组、二元一次不等式组的应用.解决本题的关键是读懂题意,找到符合题意的相应的关系式是解决问题的关键,注意第二问应求得整数解。

上海市闵行区2021-2022学年七年级上学期期末英语试题(原卷版)

上海市闵行区2021-2022学年七年级上学期期末英语试题(原卷版)

2021学年闵行区第一学期七年级期末考试试卷Choose the best answer.1.Choose the word with different sound.A.addB.ambulanceC.armchairD.accident2.I met a lot of friends at the party,such as Bob who is a friend of________.A.meB.mineC.myselfD.I3.Lucy is________SPCA officer and she always wears________uniform at work.A.a\anB.an\anC.a\aD.an\a4.We shouldn’t be unkind________animals as they are our friends.A.onB.atC.toD.of5.There is a beach________the bottom of some steep steps.A.atB.overC.underD.in6.—My parents had a good time during the trip.—________I.A.So hadB.Neither didC.So didD.Neither had7.Over________people took part in the reading competition yesterday.A.hundreds ofB.two hundred ofC.two hundredsD.two hundred8.To keep healthy,you should eat________crisps and have________water.A.fewer,moreB.less,moreC.more,lessD.fewer,less9.This sign tells us________do something.A.what toB.where toC.why toD.how to10.They________water the flowers because it often rains these days.A.needn’t toB.don’t need toC.need toD.don’t need11.It took us half an hour________for the barbecue.A.preparingB.preparedC.to prepareD.to preparing12.She won’t eat much junk food________she wants to lose weight.A.soB.althoughC.orD.because13.You shouldn’t put________furniture.There is not enough space here.A.too muchB.too manyC.too littleD.too few14.Kitty’d rather________out to play because it’s extremely cold outside.A.not goB.don’t goC.goD.to go15.We Chinese really hope that people in western China won’t be short of water________.A.any longB.any longerC.no longerD.no long16.We will go to Beijing for the holiday.Would you like to________our puppy?A.look afterB.look upC.look forD.look out17.He________a lot since he left the university.A.changeB.changedC.changingD.has changed18.—shall we join in the Green World Summer Camp?—________.A.Never mindB.You’re welcomeC.Not at allD.That’s a good idea Choose the proper words or phrases in the box to complete the following passage.Each can be used only once. A.Nowadays B.exercising C.Finally D.toysE.popularF.eatsFor forty years,a fat orange cat was born under the pen of Jim Davis.The cartoonist(漫画家)never thought it would be____19____for such a long time.Today,if you mention the name“Garfield”,almost everyone will know you are talking about the cat.Garfield was a sudden success.It was in more than40newspapers shortly after it was born.____20____, about200million people read Garfied’s story every day.There are also lots of Garfield books,films,____21____ and clothes.“Garfield is just the cat door”,the cartoonist says,“He____22____a lot and sleeps a lot.He never likes____23____.He hates Monday.Somehow,there is a Garfield deep in everybody’s heart.”Complete the sentences with the give word in their proper forms.24.There are two________in this big flat.(balcony)25.He told me to enter the library________.(silence)26.Many of my classmates are________who are quite friendly.(Canada)27.Mike loves the life in the suburbs as he thinks it is________.(please)28.On Christmas Eve,people________their houses with colorful balloons and flowers.(decoration)29.We all know that the city cantre is much________than the suburbs.(noise)Complete the following sentences as required.30.I’d like a flat with two bedrooms near the city centre.(划线提问)________________of flat would you like?31.He’s never late for school.(改为反义疑问句)He’s never late for school,________________?32.Mr.White often played computer games when he was young.(保持句意不变)Mr.White________________play computer games when he was young.33.It is only1kilometer from our school to the square.(对划线部分提问)________________is it from our school to the square?34.Simon liked tennis better than basketball.Simon________tennis________basketball.35.Know,Tom’s leg,was,you,don’t,broken(?)(连词成句)________________________________________?Part3Reading and WritingⅥ.Reading comprehension.Choose the best answer.Firsts in lifeIn this month’s Champion Special,Lynn Zhou interviews students around the world about important“firsts”in their lives.Read their answers to the questions:________Miguel:For me,an important first was getting my driver’s license(驾照).In Spain a person can do this at age eighteen.That’s when I got mine.Being able to drive my father’s car that summer gave me freedom and made me like an adult.For example,I’m from Madrid,and my girlfriend is from a suburb about twenty miles away.Driving made it easy for me to see her more frequently.Also,I was able to take weekend trip with friends to other cities.Gina:I went on my first date soon after my sixteenth birthday with my best friend’s brother.He invited me to a movie,but we didn’t talk much because we were both very shy.Two weeks later,I went to a high school dance with him,and we had a great time.After that,we spent most of the summer together,but then he and his family moved.I guess you could say he was my first boyfriend.Soo-Jin:An important fisrt for me was travelling abroad alone from Korean to the United States.When I was seventeen,I spent the summer in New York City studying English.I took a plane to the States by myself.It was my first visit to another country,and I was frightened.But gradually I overcame my fears and learned to be more independent.I also made friends from other contries.Now I’m back in the united states,and I’m attending university.36.Miguel got his driver’s licence when he was________.A.16B.17C.18D.1937.Which of the following isn’t the reason why Miguel feel good about having his driver’s license?A.Driving made him feel free.B.It was convenient to visit his girlfriend.C.He could visit his friends in other cities.D.He didn’t feel like a kid when he drove.38.Gina mainly talked about her first________.A.dateB.boyfriendC.movieD.school dance39.________was the first foreign country Soo-Jin visited.A.AmericaB.SpainC.South KoreaD.Britain40.The underlined word“independent”means________A.好学的B.独立的C.害羞的D.强壮的41.Which of the following can be filled in the blank?A.How can you have an important first?B.Are there a lot of important firsts in your life?C.When did you have your important first?D.What was an important first in life for you?Choose the best answer and complete the passage.What films are good for usEvery year a lot of films are made but not all of them are good for us.Most of these films are not suitable for children.When we see a film in a cinema or watch a video tape at home,we should be____42____to choose a good one.A good film usually gives us____43____.For example,“Beauty and the beast”teaches us to love someone for his or her good heart but not for his or her looks.“The Lion King”teaches us to be brave and be fair to other people.Some films are quickly forgotten,others stay for a____44____time as classics.People can see a classic film many times and still enjoys it.Every time they see it,they learn something new,for example,if you worry about your looks,you may watch“Beauty and the beast”again and learn that looks are not so important.If you are sad, you may watch“Mouse Hunt”again to make yourself____45____.There are many____46____of films.There are adventure films,comedies(喜剧),horror films,science-fiction films(科幻片),documentaries(纪录片),action films,love stories,and so on.____47____,many of these films are only suitable for adults.So always ask your parents before you see a film.42.A.easy B.free C.convenient D.careful43.A.a lesson B.a class C.a book D.a story44.A.short B.long C.quick D.slow45.A.boring B.safe C.happy D.healthy46.A.pieces B.kinds C.pairs D.cartoons47.A.Although B.But C.So D.HoweverFill in the blanks with proper words.Every community has people who help others.These people are called community helpers.There are many different kinds jobs that helpers have.Firefighters help if there is a fire.They use fire trucks.Each truck has a big ladder,which helps firefightersr____48____peolpe in high places.Firefighters must wear heavy clothes to keep the fire f____49____burning them.They also wear helmet on their heads.That is in case things fall on them.Their job is to put out fires and save people.Police are helpers too.They drive cars with red and blue flashing lights.Police cars make loud n____50____. The lights and noise tell people they are on the way.Police help in many ways.When you call for help in an emergency,the police will a____51____come.What’s more,ambuance drivers are important.They take people to the hospital i____52____they are hurt,so they can see a doctor.All of these workers are e____53____of community helpers.There are many other people in your community who help too.Answer the questions.My8-year-old daughter started to learn how to skateboard(滑滑板)two weeks ago.One day,we walked to the skate park to practise.But the place was full of teenage boys.Some of them were even smoking.My daughter said “Mum,it is full of older boys.Can we go home?”“So what?The skate park isn’t open only for them!”I said.She went to go down a ramp(斜坡),a group of boys were flying past her.Suddenly,one boy came to her and said,“Hey,excuse me...”I felt nervous(紧张的)and said to the boy,“She can use this park just as much as you guys!”But then the boy said to my daughter,“You feet are wrong.Can I help you?”He then spent almost an hour with my daughter teaching her how to balance and steer(平衡与控制).He held her hand and helped her get up when she fell down.He was kind to my daughter,even though his friends made fun of him for it.My daughter had a sense of pride(自豪).She believed that she could do anything because of this boy.Whenwe left the skate park that day.I said to the boy,“________”54.Where did the writer and her daughter go to pratise skating?___________________________55.How long did the boy teach the writer’s daughter?___________________________56.What did the writer’s daughter want to do when she saw the place was full of boys?___________________________57.Why did a boy want to help the writer’s daughter?___________________________58.The boy’s friends didn’t help the girl learn how to skate,did they?___________________________59.What did the writer probably say to the boy?Fill in the blank with ONE sentence.___________________________Ⅶ.Writing60.Write at least60words about the topic“How to help homeless animals”(请以“怎么帮助无家可归的动物”为题,写一篇不少于60个词的短文,标点符号不占格。

上海市闵行区2022-2023学年七年级上学期期中考试数学试卷(含答案)

上海市闵行区2022-2023学年七年级上学期期中考试数学试卷(含答案)

2022-2023学年上海市闵行区七年级(上)期中数学试卷一、选择题(共6小题,每小题3分,满分18分). 1.(3分)下列各式中,是代数式的有( ) ①23xy ;②2r π;③2S r π=;④b ;⑤512+>;⑥2ab. A .3个B .4个C .5个D .6个2.(3分)下列运算正确的是( ) A .235235x x x += B .33(2)6x x -=-C .222()x y x y +=+D .2(32)(23)49x x x +-=-3.(3分)当2x =时,整式31ax bx +-的值等于19-,那么当2x =-时,整式31ax bx +-的值为( ) A .19B .19-C .17D .17-4.(3分)如果A 、B 都是关于x 的单项式,且A B ⋅是一个九次单项式,A B +是一个五次多项式,那么A B -的次数( ) A .一定是九次B .一定是五次C .一定是四次D .无法确定5.(3分)如果(1)(3)x x a ++的乘积中不含x 的一次项,则a 为( ) A .3B .3-C .13D .13-6.(3分)某商店经销一批衬衣,每件进价为a 元,零售价比进价高%m ,后因市场变化,该商店把零售价调整为原来零售价的%n 出售.那么调整后每件衬衣的零售价是( ) A .(1%)(1%)a m n +-元 B .%(1%)am n -元 C .(1%)%a m n +元D .(1%%)a m n +元二、填空题(本大题共12小题,每小题2分,满分24分) 7.(2分)“a 的平方的倒数减去12的差”用代数式表示为: . 8.(2分)单项式2237xy π-的系数是 .次数是 .9.(2分)把多项式323274x x y y xy -+-按x 的升幂排列为 .10.(2分)如果单项式312a b x y +与25b x y 的和仍是单项式,则a b -的值为 .11.(2分)如果整式2274a ab b +-加上一个多项式得2a ab -,那么所加上的多项式是 .12.(2分)计算:2()x x -⋅-= . 13.(2分)计算:226(31)3m m m --= .14.(2分)计算:1281()84-⨯= .15.(2分)如果代数式2238a b -++的值为1,那么代数式2462a b -+的值等于 . 16.(2分)如果3m a =,12n a =,那么32m n a += . 17.(2分)已知6x y +=,7xy =,那么22(3)(3)x y x y +++的值为 .18.(2分)观察等式:232342222:22222+=-++=-;2345222222+++=-,⋯已知按一定规律排列的一组数:502、512、522、⋯、992、1002,若502a =,则用含a 的式子表示这组数的和是 .三、简答题(本大题共6题,每题5分,满分30分) 19.(5分)计算:232233()()()x x x x --⋅--⋅-. 20.(5分)计算:(23)(23)a b a b -++-. 21.(5分)计算:2(23)(32)(23)x y x y x y -+--. 22.(5分)利用公式计算:21001999997⨯-. 23.(5分)计算:22(32)(32)a b a b -+.24.(5分)计算:2481632(21)(21)(21)(21)(21)+⨯+⨯+⨯+⨯+(结果用幂的形式表示). 四、解答题(本大题共4题,第25题6分,第26、27题每题7分,第28题8分,满分28分)25.(6分)已知代数式22321A x xy y =++-,212B x xy x =-+-.(1)如果x ,y 满足2(1)|2|0x y ++-=,求2A B -的值; (2)如果2A B -的值与x 的取值无关,求y 的值. 26.(7分)已知2510m m --=,求22125m m m -+的值. 27.(7分)如图,正方形ABCD 与正方形CEFG 的面积之差是6,求阴影部分的面积.28.(8分)阅读材料:在学习多项式乘以多项式时,我们知道1(4)(25)(36)2x x x ++-的结果是一个多项式,并且最高次项为:312332x x x x ⋅⋅=,常数项为:45(6)120⨯⨯-=-.那么一次项是多少呢?要解决这个问题,就是要确定该一次项的系数.通过观察,我们发现:一次项系数就是:15(6)2(6)434532⨯⨯-+⨯-⨯+⨯⨯=-,即一次项为3x -. 参考材料中用到的方法,解决下列问题:(1)计算(2)(31)(53)x x x ++-所得多项式的一次项系数为 .(2)如果计算22(1)(3)(21)x x x x a x ++-+-所得多项式不含一次项,求a 的值; (3)如果202220222021202001220212022(1)x a x a x a x a x a +=+++⋯++,求2021a 的值.参考答案一、选择题(本大题共6小题,每小题3分,满分18分) 1.(3分)下列各式中,是代数式的有( ) ①23xy ;②2r π;③2S r π=;④b ;⑤512+>;⑥2ab. A .3个B .4个C .5个D .6个 解:由代数式的定义可知,是代数式的有:①23xy ;②2r π;④b ;⑥2ab,共4个. 故选:B .2.(3分)下列运算正确的是( ) A .235235x x x += B .33(2)6x x -=-C .222()x y x y +=+D .2(32)(23)49x x x +-=-解:A 选项,22x 与33x 不是同类项,不能合并,故该选项计算错误,不符合题意; B 选项,原式38x =-,故该选项计算错误,不符合题意;C 选项,原式222x xy y =++,故该选项计算错误,不符合题意;D 选项,原式2222(3)49x x =-=-,故该选项计算正确,符合题意;故选:D .3.(3分)当2x =时,整式31ax bx +-的值等于19-,那么当2x =-时,整式31ax bx +-的值为( ) A .19B .19-C .17D .17-解:当2x =时,整式31ax bx +-的值为19-, 82119a b ∴+-=-,即8218a b +=-,则当2x =-时,原式82118117a b =---=-=. 故选:C .4.(3分)如果A 、B 都是关于x 的单项式,且A B ⋅是一个九次单项式,A B +是一个五次多项式,那么A B -的次数( ) A .一定是九次 B .一定是五次C .一定是四次D .无法确定解:A B ⋅是一个九次单项式,A B +是一个五次多项式,∴单项式A 、B 一个是5次单项式,一个是4次单项式,A B ∴-的次数是5次.故选:B .5.(3分)如果(1)(3)x x a ++的乘积中不含x 的一次项,则a 为( ) A .3B .3-C .13D .13-解:(1)(3)x x a ++, 233x ax x a =+++,23(3)x a x a =+++, 乘积中不含x 的一次项, 30a ∴+=,解得:3a =-, 故选:B .6.(3分)某商店经销一批衬衣,每件进价为a 元,零售价比进价高%m ,后因市场变化,该商店把零售价调整为原来零售价的%n 出售.那么调整后每件衬衣的零售价是( ) A .(1%)(1%)a m n +-元 B .%(1%)am n -元 C .(1%)%a m n +元D .(1%%)a m n +元解:每件进价为a 元,零售价比进价高%m ,∴零售价为:(1%)a m +元,要零售价调整为原来零售价的%n 出售. ∴调整后每件衬衣的零售价是:(1%)%a m n +元.故选:C .二、填空题(本大题共12小题,每小题2分,满分24分)7.(2分)“a 的平方的倒数减去12- 解:“a 的平方的倒数减去12的差”用代数式表示为:2112a -, 故答案为:2112a -. 8.(2分)单项式2237xy π-的系数是 97π- .次数是 .解:单项式2237xy π-的系数是97π-,次数是3.故答案为:97π-,3.9.(2分)把多项式323274x x y y xy -+-按x 的升幂排列为 322347y xy x y x --+ .解:多项式323274x x y y xy -+-的各项为3x ,27x y -,3y ,24xy -, 按x 的升幂排列为:322347y xy x y x --+. 故答案为:322347y xy x y x --+.10.(2分)如果单项式312a b x y +与25b x y 的和仍是单项式,则a b -的值为 4- .解:单项式312a b x y +与25b x y 的和仍是单项式,∴312a b x y +与25b x y 是同类项, 2a b ∴+=,3b =,解得:1a =-,3b =, ∴原式134=--=-,故答案为:4-.11.(2分)如果整式2274a ab b +-加上一个多项式得2a ab -,那么所加上的多项式是 2265a ab b --+ .解:由题意可得,所加上的多项式是:222(74)a ab a ab b --+- 22274a ab a ab b =---+ 2265a ab b =--+.故答案为:2265a ab b --+.12.(2分)计算:2()x x -⋅-= 3x - . 解:223()x x x x x -⋅-=-⋅=-. 故答案为:3x -.13.(2分)计算:226(31)3m m m --= 321846m m m -- .解:226(31)3m m m --22636613m m m m m =⋅-⋅-⨯321846m m m =--.故答案为:321846m m m --.14.(2分)计算:1281()84-⨯= 1 .解:1281()84-⨯24241()22=⨯ 241(2)2=⨯ 241=1=.故答案为:1.15.(2分)如果代数式2238a b -++的值为1,那么代数式2462a b -+的值等于 16 . 解:2238a b -++的值为1, 22381a b ∴-++=, 2237a b ∴-+=-, 2462a b ∴-+22(23)2a b =--++ 2(7)2=-⨯-+ 142=+16=故答案为:16.16.(2分)如果3m a =,12n a =,那么32m n a + 解:当3m a =,12n a =时, 32m n a + 32m n a a =⨯32()()m n a a =⨯ 3213()2=⨯1274=⨯274=.故答案为:274. 17.(2分)已知6x y +=,7xy =,那么22(3)(3)x y x y +++的值为 304 . 解:原式22229669x xy y x xy y =+++++22101210x xy y =++ 2210()12x y xy =++ 210()8x y xy =+-,当6x y +=,7xy =,原式210687304=⨯-⨯=. 故答案为:304.18.(2分)观察等式:232342222:22222+=-++=-;2345222222+++=-,⋯已知按一定规律排列的一组数:502、512、522、⋯、992、1002,若502a =,则用含a 的式子表示这组数的和是 22a a - . 解:232222+=-;23422222++=-; 2345222222+++=-;⋯231222222n n +∴+++⋯+=-, 5051529910022222∴+++⋯++231002349(2222)(2222)=+++⋯+-+++⋯+ 10150(22)(22)=---1015022=-,502a =,10150222(2)22a ∴==, ∴原式22a a =-.故答案为:22a a -.三、简答题(本大题共6题,每题5分,满分30分) 19.(5分)计算:232233()()()x x x x --⋅--⋅-.解:232233()()()x x x x --⋅--⋅-649()()x x x x =--⋅-⋅- 1010x x =+ 102x =.20.(5分)计算:(23)(23)a b a b -++-. 解:(23)(23)a b a b -++- [(23)][(23)]a b a b =--+-22(23)a b =-- 224129a b b =-+-.21.(5分)计算:2(23)(32)(23)x y x y x y -+--. 解:原式624962(421292)x xy xy y x xy y =+----+ 62562421292x xy y x xy y =---+- 227152x xy y =+-.22.(5分)利用公式计算:21001999997⨯-. 解:(3)21001999997⨯-2(10001)(10001)(10003)=+⨯--- 2210001100060009=--+- 600010=-5990=.23.(5分)计算:22(32)(32)a b a b -+. 解:原式2[(32)(32)]a b a b =-+222[(3)(2)]a b =- 222(94)a b =-4224817216a a b b =-+.24.(5分)计算:2481632(21)(21)(21)(21)(21)+⨯+⨯+⨯+⨯+(结果用幂的形式表示). 解:原式224816321(21)(21)(21)(21)(21)(21)3=⨯-⨯+⨯+⨯+⨯+⨯+44816321(21)(21)(21)(21)(21)3=⨯-⨯+⨯+⨯+⨯+ 8816321(21)(21)(21)(21)3=⨯-⨯+⨯+⨯+ 1616321(21)(21)(21)3=⨯-⨯+⨯+ 32321(21)(21)3=⨯-⨯+ 641(21)3=⨯-. 四、解答题(本大题共4题,第25题6分,第26、27题每题7分,第28题8分,满分28分)25.(6分)已知代数式22321A x xy y =++-,212B x xy x =-+-.(1)如果x ,y 满足2(1)|2|0x y ++-=,求2A B -的值; (2)如果2A B -的值与x 的取值无关,求y 的值. 解:(1)原式221(2321)2()2x xy y x xy x =++---+-2223212221x xy y x xy x =++--+-+ 522xy x y =-+,由题意可知:10x +=,20y -=, 1x ∴=-,2y =,原式5(1)22(1)22=⨯-⨯-⨯-+⨯ 1024=-++ 4=-.(2)原式(52)2y x y =-+, 令520y -=, 25y ∴=. 26.(7分)已知2510m m --=,求22125m m m -+的值. 解:2510m m --=, 251m m ∴-=,15m m-=, 21()25m m∴-=,221225m m ∴+-=, 22127m m ∴+=, ∴22125m m m -+ 22215m m m m =-++127=+28=. 27.(7分)如图,正方形ABCD 与正方形CEFG 的面积之差是6,求阴影部分的面积.解:设正方形ABCD 与正方形CEFG 的边长分别为a 和b ,由题意得:226b a -=.由图形可得:()2111222S a b a b ab ⎛⎫=-+- ⎪⎝⎭阴 2211112222ab a b ab =-+- 221()2b a =- 162=⨯ 3=.故阴影部分的面积为3.28.(8分)阅读材料:在学习多项式乘以多项式时,我们知道1(4)(25)(36)2x x x ++-的结果是一个多项式,并且最高次项为:312332x x x x ⋅⋅=,常数项为:45(6)120⨯⨯-=-.那么一次项是多少呢? 要解决这个问题,就是要确定该一次项的系数.通过观察,我们发现:一次项系数就是:15(6)2(6)434532⨯⨯-+⨯-⨯+⨯⨯=-,即一次项为3x -.参考材料中用到的方法,解决下列问题:(1)计算(2)(31)(53)x x x ++-所得多项式的一次项系数为 11- .(2)如果计算22(1)(3)(21)x x x x a x ++-+-所得多项式不含一次项,求a 的值;(3)如果202220222021202001220212022(1)x a x a x a x a x a +=+++⋯++,求2021a 的值. 解:(1)一次项系数为11(3)23(3)21511⨯⨯-+⨯⨯-+⨯⨯=-, 故答案为:11-;(2)根据题意,得一次项系数1(1)(3)1(1)210a a ⨯⨯-+-⨯⨯-+⨯⨯=, 解得3a =-;(3)2022(1)x +的一次项系数为202212022⨯=, 20212022a ∴=.。

2022-2023学年上海市徐汇中学七年级上学期期末考能力评估英语试卷(附听力音频)含答案

2022-2023学年上海市徐汇中学七年级上学期期末考能力评估英语试卷(附听力音频)含答案

徐汇中学2022学年初一年级第一学期英语学科学习能力评估试卷(考试时间80分钟分值:100+20分)考生注意:1.本试卷共83题+10题;2.作答前,在答题纸指定位置填写姓名、准考证号、座位号等信息;3.所有作答务必填涂或书写在答题纸上,在试卷上作答一律不得分;4.用2B铅笔作答选择题,听力试题中的第三大题,T 用【A】表示,F用【B】表示;其他大题E用【AB】表示,F 用【BC】表示,G用【CD】表示,用黑色字迹钢笔、水笔作答非选择题。

自助获取听力音频Part 1 Listening (第一部分听力)I. Listening Comprehension (听力理解) (共22分)A.Listen and choose the right picture. (根据你所听到的内容,选出相应的图片)(5分)A B CD E F1.______2. ______3. ______4. ______5. ______B.Listen to the dialogue and choose the best answer to the question you hear. (根据你所听到的对话和问题,选出最恰当的答案)(5分)6. A. Yes, she is. B. No, she isn’t.C. It’s hard to say.D. She’ll be back soon.7. A. He is locking the door. B. He is watching a film.C. He is waiting.D. He is helping to lock the door.8. A.4:30. B. 4:45. C. 5:00. D. 5:15.9. A. They like it very much. B. They think nobody likes it.C. They think it difficult to understand.D. They don’t like the ending of the novel.10. A. No, he won’t. B. Yes, he will.C. He will go to bed early.D. He will go to bed late.C.Listen to the passage and tell whether the following statements are true or false. (判断下列句子是否符合你所听到的内容,符合的用“T”表示,答题卡上涂A,不符合的用“F”表示,答题卡上涂B)(5分)11.The first and only museum of French fries was set up by a father and his son.12.Many people in the world like fried chips very much.13.Eddy and his son were not proud of fried chips.14.Fried chips were first made and eaten in America.15.Visitors can not only learn the history of fries but also eat them in the museum .D.Listen to the dialogue and complete the following sentences. (听对话,完成下列内容,每空格限填一词)(7分)16.Earnest Hemingway is one of the _________ _________ writer born in Illinois in 1899.17.As a _________ and a _________, he decided to become a writer and started to write somefamous novels.18.The Old Man and the Sea is about an old man who goes on the sea for 84 days withoutcatching any fish. But he _________ _________ and catches a big fish on the 85th day.19.The book not only makes Hemingway world-famous, but also makes people _________ himlong after he died in 1961.Part 2 Phonetics, Grammar and Vocabulary(第二部分语音、语法和词汇)II. Fill in the blanks according to the phonetic transcriptions. (根据音标写单词)(5分)20.I don’t like living in the city centre because it is too __________. /ˈnɔɪzi/21.‘Good __________!’ Peter said to me with a smile. /lʌk/22.__________, we should make a shopping list. /ˈfɜ:stli /23.I __________ wish you happiness and health forever. / sɪnˈsɪəli /24.Mix all the __________ together in a bowl. / ɪnˈɡriːdiənts /III. Choose the best answer.(选择最恰当的答案)(共15分)25.Look at ______ teacher in red. He is our Maths teacher.A. anB. aC. theD. /26.We often say ‘Happy women’s day’ to our mothers ______ 8 March.A. inB. onC. atD. to27.The new flat is ______ than the old one, but it is ______ to my school .A. small... closerB. big... fartherC. smaller... closeD. bigger... far28. Joe, don’t drink too much ______. It’s bad for your teeth.A. soft drinksB. chocolateC. milkD. cola29. --- Would you like to have ______ orange juice?---No, thanks.A. someB. anyC. manyD. much30. Jenny loves the book ______Harry Potter and the Chamber Secrets very much and she readsit almost every day.A. callingB. to callC. callD. called31. There is no air ______ water on the moon.A. andB. butC. thanD. or32. If you don’t get up right now, you ______ the train.A. will missB. missedC. missD. are missing33. There is ______ soft drinks in the fridge. Let’s go to the supermarket to buy some.A. littleB. a littleC. fewD. a few34. They ______ buy that kind of decorations for the Christmas Party.A. don’t needB. don’t need toC.needn’t toD. need not to35. There ______ a reading contest in our school next month.A. hasB. isC. is going to haveD. will be36. Tom ate three ______ last Friday.A. packet of crispB. packets of crispC. packets of crispsD. packet of crisps37. It’s raining cats and dogs outside. I would rather ______ at home and watch movies.A. to stayB. stayC. staysD. staying38. ---- I never forget to do my homework.----______.A.So does AliceB. So is AliceC. Neither does AliceD. Neither is Alice39. ---- Boys and girls, let’s have a sports meeting next week.---- ______.A. Good ideaB. Yes, pleaseC. OK. We willD. Not at allIV. Complete the following passages with the words or phrases in the box. Each can only be used once.(将下列单词或词组填入空格,每空格限填一词,每词只能填一次)(共6分)A. carefulB. quiteC. Make sureD. waitE. quietF. streetG. findSigns carry messages. For example, a sign at the bus stop helps youto know which bus to take. A sign on the wall of your school helps youfind the library. If you see the sign “No photography”, you can’t takephotos. When you find the sign “Danger”, you must be ____40____. Ifyou want to cross the road, you should ____41____ for the green light atthe crossing. When you visit a museum and see a sign “keep____42____”, you mustn’t talk aloud. If you go to see a film, you should enter the cinema at the ENTRANCE and leave through the EXIT. You will also ____43____ NO SMOKING signs in many cinemas. When you drive a car, don’t park in the ____44____ with a NO PARKING sign. ____45____ you understand the signs and you won’t get into any trouble.40. ______ 41.______ 42. ______ 43. ______ 44. ______ 45. ______V. Complete the sentences with the given words in their proper forms. (用括号中所给单词的适当形式完成下列句子,每空格限填一词) (共8分)46. His __________ to the homeless cat makes me feel bad. (cruel)47. The students are reading some interesting __________ books in the library. (foreigner)48. The careless __________ were injured in the bad accident. (motorcycle)49. The weather in Yunnan Province is always very __________. (please)50. Nowadays, it is __________ to shop online because of the high speed of the Internet. (convenience)51. Don’t work until midnight every day. __________ is the most important. (healthy)52. The drink is a __________ of three different kinds of fruit. (mix)53. Mum, we need some __________ for the birthday party. (battery)VI. Complete the following sentences as required. (根据所给要求改写下列句子。

2022-2023学年上海市实验学校西校六年级上学期期中考试英语试卷含详解

2022-2023学年上海市实验学校西校六年级上学期期中考试英语试卷含详解
10.Hurry up! It’s________[ˈɔːlməʊst] time for the film.
IV. Choose the best answer.(选择最恰当的答案)(共12分)
11.I have ________ album, and there are many photos in ________ album.
plete the following passage with the words or phrases in the box. Each can only be used once.(共8分)
将下列单词或短语的选项填入空格。每空格限填一词,每词只能填一次。
A. buy B. plant C. happy D. sell E. at night
A andB.butC.orD.so
14.Miss Li tells us ________ rubbish.
A.to not leaveB.not leaveC.to leaveD.not to leave
15.No one in our class likes Tom because he ________ thinks of others.
18. They had lunch in a restaurant near the school.
19. My parents had a good time in my school.
D.Listen to the passage and complete the following sentences.(听短文,完成下列内容。每空格限填一词)(6分)
A.an, aB.an, anC.an, theD.a, the12.Could you help ________ with ________ English?

2022-2023学年七年级上学期英语期末试卷及答案

2022-2023学年七年级上学期英语期末试卷及答案

2022-2023学年七年级上学期英语期末试卷及答案一、听力部分(共20分)听力材料:第一节根据你所听到的句子,选择正确的图片。

1. A: What sports do you like?B: I like swimming.2. A: How do you go to school?B: I usually go to school by bike.3. A: What do you usually do on weekends?B: I often go hiking with my friends.4. A: Can you play the guitar?B: No, but I can play the piano.5. A: Where is the supermarket, please?B: It's next to the bank.第二节根据你所听到的短文,选择正确的选项。

Hello, everyone! My name is Kate. I'm from Canada. I'm twelve years old. I'm in Grade 7 at Green Middle School. I have a sister and a brother. My sister's name is Lucy, and my brother's name is Jack. We all like playing sports. Lucy likes playing basketball, and Jack likes playing soccer. We often play sports together after school. We also have a pet dog. Its name is Max. Max is very cute. We love Max very much. Thank you!二、阅读理解(共30分)A. 阅读下面四篇短文,选择正确答案。

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班级: _________ 姓名: ____________ 学号: __________Part1ListeningI.Listening Comprehension.A.Listen and choose the right pictureB. Listen to the dialogue and choose the best answer to the question you hear( ) 6. A. America B. England C. Japan D. Canada( ) 7. A. By ship B. By plane C. By train D. By car( ) 8. A. An engineer B. A doctor C. A teacher D. A fireman( ) 9. A. He did his homework. B. He watered flowers.C.He helped his father clean the car.D. He did some housework.( ) 10. A. Hong Kong B. National Day C. Holiday plan D. Friends( ) 11. A. His friend B. His father C. His mother D. His parents.( ) 12. A. 5:00 B. 5:30 C. 6: 00 D. 6: 30( ) 13. A. He sees some people buying bread and cakes.B. He sees some street cleaners cleaning the streets.C. He sees a woman selling newspapers.D. He sees some people walking on the roads.C.Listen to the passage and tell whether the following statements are true orfalseT”F( ) 14. A rich man went to the sea for his summer holiday.( ) 15. The housekeeper did not promise to post him all the letters.( ) 16. The man took the key to the letter box with him when he left home. ( ) 17. The man didn't receive any letters when he was on holiday. ( ) 18. When the man returned home, he was angry with his housekeeper. ( ) 19. The housekeeper finally got the key to the letter box.D.Listen to the passage and complete the sentences20. We moved to a ______________ housing estate.21. Block 3 is the fountain.22. We can ____________ _____________ in children’s playground.24. We plan to play tennis there every _____________.Part2Vocabulary and Grammar.Look at the phonetic symbol and fill in the blanks.25. Kitty got a___________ watch from her grandfather./ˈspeʃəl/26. There are a lot of ___________buildings in Shan’xi. /'eɪnʃənt/27. Mr Hu used to be a postman. He______________ letters and parcels. /dɪˈlɪvəd/_____________28. Look, she has got so many skirts in her_______/ˈwɔːdrəʊb/.Choose the best answer( ) 29. He wants to go to___________ university which is famous in China.A./B. theC. anD. a( ) 30.Did you see my watch? I can't ___________it.A. findB. find outC. look forD. look at( ) 31. There aren't any villages _________ the bottom of the mountain.A. onB. atC. inD. for( )32. I was writing a letter at home ________ I heard a knock on the door.A.whileB. whenC. butD. as( ) 33.Beijing is a great city for travelling, and it has quite ____________ places of interest.A. a fewB. fewC. a littleD. little( ) 34. It _________ him about fifteen minutes to travel from his home to his school by bike.A. takesB. costsC. spendsD. pays( ) 35. The flat is big enough. We don’t need ___________ to a bigger one.A. to moveB. moveC. movesD. moving( ) 36. Our new teacher looks___________.A. happilyB. angrilyC. sadlyD. friendly( ) 37. He has just bought a big flat ____________ the centre of the city.A. fromB. withC. inD. on( ) 38. Dogs can help _____________ sheep to farmers.A. bringB. bringingC. bringsD. brought( ) 39. I________ about the Taj Mahal(泰姬陵) in the history books before and I want to take a trip there someday.A.have readB. will readC. am readingD. was reading( ) 40.I can see an old lady ______ bread from a bakery on my way to school.A. buysB. to buyC. buyingD. bought( ) 41.Kitty enjoys ________ as a secretary in the city centre.A. work B. worked C. working D. to work( ) 42.—________ is it from your home to school?— It's about half an hour's walk.A . How longB . How farC . How manyD . How much( ) 43. —Would you like something to drink?—_______________. I am not thirsty.A. Yes, please.B. No, thanks.C. Yes, of course.D. No, you can't.IV. Complete the following passage with the words or expression in the box. Each word can only be used onceEverybody dreams. Some people thinks dreams can tell us about the future. Others think dreams tell us about ourselves. It’s like our brain is talking to us. Why are dreams often ___44___ and hard to understand? Some people think our brain uses symbols (符号) to talk to us. When we fly, swim, or fall down in our dreams, it has a special meaning. Lots of doctors help people understand their dreams. They find the dreams tell us about our 45 and fears.These days, many scientists believe that dreams are very important. During the day, we have many ___46__, and our brain receives a lot of ___47___. When we dream, our brain throws away the information that is not ___48___ and puts the most important information into our memories. As we learn more about the brain, we may find the answers to our questions about dreams.44. __________45. _________ 46. _______ 47. _________48. _______V. Complete the sentences with the given words in their proper forms(49. Today is Mother ’s __________ birthday. Let's buy her a cake. (forty)50. Sometimes it is not easy to__________ a good flat for the family. (choice)51. Help __________ to the dumplings, everyone. (you)52. Joe says he __________ staying at home alone to going out with Paul. (prefer)53. We need a __________ man to help us put all the things in the new flat.(move)54. Jack wants to be a fireman. He wants to __________ people from danger .(safety) ___ ___D. activitiesE. impossibleF. strangeA. hopesB. informationC. important55. Mr. Johnson can speak Chinese well and he doesn’t sound like a _________.(foreign) VI.Rewrite the following sentences as required1056. Jane has her breakfast on her way to school. (改为⼀般疑问句)__________ Jane __________ her breakfast on her way to school?57. Mrs Wang lives in Block A. Miss Tang lives in Block A, too. (合并为⼀句)Mrs Wang and Miss Tang live in __________ __________ block.58. She'd like a bedroom with a big window. (对划线部分提问)__________ __________of bedroom would she like?59.It takes Peter two hours to finish his work every day. (保持句意不变)Peter ______ two hours __________ his work every day.60. is, opposite, school, there, a, supermarket, our (连词成句)__________________________________________________________________.Part Three Reading and Writing()34VII.Reading comprehension(阅读理解)(共24分)A.Choose the best answer(根据以下内容, 选择最恰当的答案)(共6分)Dear Rita,We would like to invite you to celebrate Julia's 14th birthday. This is your ticketto a magical birthday party!To give her a surprise, please join us without telling her about the party.We also hope that:∙ you dress up in Disney style;∙ you shout“Surprise!”when Julia comes down the stairs.We plan to play board games, watch movies and enjoy plenty of snacks. You are also welcome to bring a friend.Come on down to Julia's house on Park Lane and have some fun!Saturday, March 12, 2022From 6:00-9:00 p.m.Please reply by March 9, 2022RSVP:Birthday,*****************( ) 61. What can we learn about this birthday party?A. Rita will be the host of it.B. Anyone can buy a ticket to join.C. It is for Julia who will turn 14 this year.D. There will be a magic show.( ) 62. What do the guests plan to shout to the birthday girl?A. “Surprise!”B. “Happy birthday!”C. “Magic!”D. “Have fun!”( ) 63. What will people NOT do at the party?A. Play board games.B. Watch movies.C. Eat snacks.D. Dress up their dolls.( ) 64. Where is Julia's house?A. On Garden Lane.B. In the city centre.C. Near the school.D. On Park Lane.( ) 65. When is Julia's birthday?A. On March 12, 2022.B. On March 9, 2022.C. On March 14, 2022.D. On March 6, 2022.( ) 66. Which of the following is true?A. Guests must bring a friend.B. The party will last about three hours.C. Guests must reply by March 6.D. Guests will go to a Disney park.B.Choose the best answer and complete the passage.(选择最恰当的选项完成短⼀)(共6分)A high school history teacher once told us, “If you make one close friend at schoo l, youwill be th e luckiest. A true friend is someone who stays with you for life.” ___67___ teaches us that he was right. Many movies, TV series, even our own life stories haveproven (证明) it. It seems a bit difficult to have good and true friendship.It is possible that we simply do not stay in one place long enough to develop a true friendship. ___68___, it is necessary (必要的) for each of us to think carefully about the kind of friendship we want.To some of us, friendships are considered (被认为) very important. At the same time, we need to be clear in our ___69____ the kinds of friendship we want. Do we want to be close to our friends or keep them at arm's length? Do we want to share ourselves or do we just want to walk on the surface (表⼀)? For some people, many friendships on the surface are quite enough, and that's all right. But at some point we need to __70____ that our expectations (期望) are the same as our friends' expectations. The sharing of the things is the best way to___71____ friendships. But it must be done ____72____ and carried on only if there are signs of interest and action in return.Don't push it.Don't do it in a hurry!C.Read the passage and fill in the blanks with proper words.(在短⼀的空格内填⼀适当的词,使其内容通顺,每空格限填⼀词,⼀字⼀已给)(共6分) Old George selected his food in the supermarket more carefully than NASA (美国国家航天和航空局) chose its astronauts. When he left the cashier ( 收银台), he was happy to think that he had saved 80 cents today.At the exit, the cold wind made him think of his gloves. He looked for them in his coat and pants but could not find them anywhere. He had b ___73___ the black gloves at a good price, for just $ 35, years ago. They were soft and very comfortable. He had taken great care of them. So they were in good condition.George looked calm on his face but felt mad inside. He went into the store again. He followed the same route he had walked before. Several minutes of searching turned out tobe u ___74____. His black gloves were gone.“People have changed,”he said to himself.“Years ago, if somebody picked up something lost, they would give it back.”He went over to thecashier to ask i ____75____ she had received any lost gloves, but she said no. He finally walked out into the street.A few days later, poor George decided to buy a ____76_____ leather pair of gloves.Before getting on the subway, he stepped into the supermarket again to see if by any chance his gloves had been r ____77____ to the lost and found office.“What color are they?”the womanin the office asked.“Black,”he answered. She looked into her drawer and took out of a pair of man's leather gloves.“Are they?”“Yes! Those are m ____78_____,”George exclaimed (惊叫), his eyes full of joy.73. b 74.u 75. i 76. a 77. r 78. m______ ________ ________ ________ _______ ________D.Answer the questions.(根据以下内容回答问题)(共6分)Little things make a differenceI was at an empty Mexican beach at sunset (⼀落). Icould see a woman in the distance (在远处).She kept bendingdown (弯腰), picking something up and throwing it out into theocean. As I got closer, I noticed that the woman was pickingup starfish that were left on the beach and, one at a time, shewas throwingthem back into the water.I was puzzled. I walked up to the woman and said,“Good evening. I was wondering what you are doing. ”“I'm throwing these starfish back into the sea. You see, it's l ow tide (潮汐) right now and all of these starfish have been washed up onto the beach. If l don't throw them back into the sea, they'll die here from lack of water. ”“I understand.”I said.“but there must be thousands of starfish on this beach. You can't possibly get to all of them. There are simply too many. And this is probably happening on hundreds of beaches all up and down this coast (海岸). Can't you see that you can't possibly make a difference?”The woman smiled, bent down and picked up another starfish, and as she threw it back into the sea, she replied,“Made a difference to that one!”79. Where was the woman?__________________________________________.80. How did the writer feel when he got closer to the woman?__________________________________________.81. What would happen to starfish if they stayed at the beach when it was low tide?__________________________________________________________.82. Did the writer think that the woman could help all starfish?83. What do you think of the woman? Why?____________________________________________________________.VIII.Writing(写作)(共10分)84. Write at least 60 words on the topic “My _________’s job” . (以“我______的职业”为题,写⼀篇不少于 60词的短⼀,标点符号不占格。

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