武汉七一华源中学2019-2020学年上学期12月月考九年级英语试题(无听力部分 有答案)
七一中学12月检测九年级英语试题
二、单项选择(每题1分,共15分)
26.-Your paintings are very beautifiul, Sara!
-.
A. Of course!
B.That's right
C.Thank you !
D. How come?
27. -Here's a box of chocolate on our desk, for me or for your mom?
-lt's , Dad. Happy Father's Day!
A hers
B. her
C. yours
D.your
28.-You haven't lost the ticket, have you?
-. l know it's not easy to get another one at the moment.
A. I hope so
B. No way
C. Yes, l'm afraid not
D. I hope not
29.-Do you know the young lady?
-Yes, but I can't remember where her for the last time.
A.see
B. has seen
C. saw
30. -I wonder it' Eddie will go for a picnic with us tomorrow.
-Eddie? Never! He it.
A. has hated
B. hated
c. hates
D.will hate
31. -The kids are playing soccer on the grass. Let's join them!
-But the sign says: Don't walk on the grass, it will "cry.
A. and
B. or
C. but
D. so
32.-Gina said she came back late because she was studying in the library,
-Studying? What a excuse! l saw her singing in the bar! :
A. natural
B. weak
C. perfect
D.soft
33. -Who's eaten all the cake?
-I it was George-- cake is always his favorite.
A. wonder
B. discover
C. expect
D, agree
34. -I hear this young actress makes a large amount of money every year,
- Yes. But she can never take care of her daughter -that's the of success.
B.key
C. price
D. excuse
35. -I can't see those words clearly.
-Go to the doctor as so0n as possible. Maybe your eyesight problem is easy to now.
A. raise
B. correct
C. reach
D. trade
36. -Great changes have taken place in Wuhan in recent years.
-Right. Many new modern buildings have been these years.
A. turned up
B. put up
C. shown up
D. fixed up
37. -Our company is in need of a manager who has a good knowledge of French. -Really? Maybe I can have a try.
A. badly
B. seriously
C. heavily
D. hardly
38. -Choose hat you like and leave the other for Lily,
-AIl right. Then I'll pick the pink one.
A. either
B. each
C. any
39.-Nobody here likes Alison. Why did you invite her?
-Don't worry! She not come, She said she wasn't sure what her plans were.
A. should
B. can
C. must
D. might
40-Do you know ?
-l'm not sure.
A. when is the first watch made
B whom does the computer belong to
C. which is the way to the nearest hospital
D.how can we finish the work in just an hour
三,完型填空。(每题1分,共15分)
On a trip to California, my family stopped for lunch. As we walked towards the restaurant, a man with dirty hair opened the door for us. He greeted us in a friendly way.
When we sat around a table, my daughters said, Mom, his hair has a terrible 41 " After we ordered our lunch, I told my kids not to say anything that might 42him. We then watched other customers go into the restaurant but many didn't even take a look at him. Their rude behavior made me 43. Since the day 1 become a mother, I had decided to set a good 44 to my children. Yet sometimes when things didn't go right, being a good example was 45. When our meal arrived, I 46 I had left the medicine for my kids in the car, so I left the table to fetch it.
Just then, the "doorman" was opening the door for a couple, but they felt like he wasn't there at all.After letting them in first, I said a 47. "thank you" to him and went out.
When I returned, we talked a bit. He said he was not allowed inside 48 he bought food. I went back and told my family his 49. Then I asked our waitress to add one soup and sandwich. The kids looked 50 because we had already eaten, but when I said the order was for the ‘doorman',they smiled. When it was time to 51 our trip, l noticed the ‘doorman’ enjoying his meal. When he saw me, he stood up to 52 me by shaking hands with me, I suddenly noticed the tears of gratitude in his eyes. What happened next made the kids feel more 53. I gave the ‘doorman’ a hug. He walked away, with tears pouring down his face.
Back in the car, I fell into deep 54 . While we can't choose many things in life, we can
choose when to show gratitude. I said thanks to a man who had 55 held a door open for me, and also said thanks for that opportunity to teach my children by example.
41. A. style B. size C. shape D. smell
42. A. alarm B. hurt C. impress D. forget
43, A, upset B. crazy C. afraid D. mean
44. A. attitude B. rule C. example D. record
45. A. scary B. silly C. pleasant D. difficult
46. A, realized B. announced C. supposed D. imagined
47. A. strange B. cold C. special D. loud
48. A. since B.unless C. though D. after
49. A. mystery B. job C. story D. request
50. A. puzzled B. angry C. relaxed D. bored
51. A, make B. take C. start D. continue
52. A. guide . B. understand C. thank D. influence
53. A. painful B. shocked C. helpful D. stressed
54.A. sleep B. research C. love D. thought
55.A.simply B.strongly C.quickly D.directly
四,阅读理解。(每题2分,共30分)
A
During my school life, l have met several teachers. None has impressed me so much as our English teacher, Mr. Leo. He has been teaching me English for the last two years. He is friendly and good-manered. He is n0t big in his shape but it is very ·well made up by his gifts and ability, He is always well-dressed and looks confident. Of course, everyone respects him.
It is a pleasure to listen to him when he teaches English, no matter it is a prose (散文) or a poem. He always uses very simple words in his class so that even a poor student could follow him. He would never go on further until everyone can understand him. When he finds somebody has difficulties, he will try his best to help.
Born a poem lover, Mr. Leo teaches with passion. He has a way to get into the spirits of the poets.He always carries the whole class with him in the pleasure of enjoying the poems. Whether it is "Oh! Captain, My Captain!" "The Road Not Taken" or "When We Two Parted", he makes us remember the lesson through his attractive (引人注目的) way of teaching. Besides all these things,
he has also been a very strict man when it comes to exams, although he thinks that they are not everything.
During his free hours, he can be found in the school library looking through among the books and magazines. We can get close to him easily and talk to him about our problems, thoughts, and everything.With his knowledge and experience, and the ability to use them, he always manages to .help us out. He always looks at the bright side of things and also expects the best from us. He leaves the lasting stamp of his personality on ours.
Many people walk into our life, but,few have an impact as great as his.
56. In the writer's eyes, Mr. Leo is .
A. busy and strict
B. polite and 'friendly.
C. caring but not confident
D. brave-and patient
57.Mr. Leo always uses simple words in class because .
A. he wants to get a bit more respect
B. he thinks prose and poems are difficult
C. he fails to go on further with his lessons
D. he makes sure all students can follow
58. What makes Mr. Leo's way of teaching attractive is that .
A. he is a very strict man
B. he can remember many famous poems
C. he tells students exams are not important
D. he brings students the joy of learning poems '
59. The underlined word "impact" in the passage means .
A. interest
B. influence
C. change
D. memory
60.The best title for the passage is
A . Poem Love
B. The Strict Man
C. The Teacher Who Impressed Me Most
D. The Teacher Who Helped Me Most
B
Imagine a classroom missing the one thing that's long been considered a necessary part to reading and writing? Paper, No notebooks, no textbooks, n0 test paper, Nor are there any pencils or pens, which always seem to run out of ink at the critica l moment.
A "paperless classroom" is what more and more schools are trying to achieve. Students don't do any handwriting in this class. Instead, they use palm (手掌) size, or specially-designed computers. The teacher downloads texts from Internet libraries and sends them to every student's personal computer.
Having computers also means that students can use the Web. They can look up information on any subject they're studying from math to social science. High school teacher Judy Harrell in Florida, US, described how her class used the Web to learn about the war in Afghanistan (阿富汗) over one year ago.
“We could touch every side of the country through different sites fram the. forest. to refugee camps(难民营),"she said, “Using a book that's three or four years old is impossible."
And exams can go online too. At a high school in Tennessee, US, students take tests on their own computers. The teacher records the grades on the network for everyone to see and then copies them to his own electronic grade book.
A. paperless. classroom is a big step towards reducing the waste. of paper. High school teacher Stephanie Sorrell in Kentucky, US, said she used to give about 900 pieces of. paper each week to each student.
“Think,about the money and trees we could save with the computers,”she said. But, with all this technology,there's always the risk that the machines will break down. So,in case of a power failure or technical problems, paper textbooks are still widely available for these hi-tech students.
61. The underlined word “critica” in the first paragraph probably has the same meaning as “ ”.
A. worrying
B. dangerous
C. happy
D. important
62. In a paperless classroom, what is a must?
A. Pens.
B. Computers.
C. Information.
D. Texts.
63. The high school teacher, Judy .Harrell, used the example of her class to show that .
A. the Web could take them everywhere
B. the Web taught them a lot
C. the Web is a good tool for information
D. the Web can give the latest and comprehensive (全面的) information
64. Which of the following is NOT an advantage of a paperless classroom?
A. Students won't have trouble with their pens.
B. Computers may break down sometimes.
C. Students can get information from the Internet.
D. A lot of money and trees' will be saved.
65. Which of the following is not .supported by the writer's opinion?
A. The paper less classroom will be good for trees.
B. There are some differences between the paperless studies and those in the usually way.
C. Paper textbooks are no longer useful.
D. Paper-free studies are popular with. more and more schools.
C
Amy Purdy is a world-class athlete, model, and actress. She has achieved amazing success in her life and hasn't let anything slow her down --even the loss of both legs!
When Amy was 15, she started snowboarding. After finishing high school, she moved to the mountains, where she could easily spend her free time snowboarding. She felt 'totally in control of her life. But then at 19, she caught meningitis (脑膜炎), a terrible disease that left her with only a two-percent chance of survival.After survived,but she lost a kidney(肾脏),the hearing in her left ear and both legs below the knees.
For a long time, Amy. felt. depressed. But when she closed her eyes, she could still see herself snowboarding. She decided to let go of the old Amy and learn to embrace the new Amy. By the time she was 21, she was back on her board, wearing artificial legs. The first time she used them, she fell off,but her legs kept going down the hill. without her! After a few years of hard training using her new legs,Amy was able to reach her peak performance level. She became the Para-Snowboard World Champion in 2012, and she later won the bronze medal in the 2014 Paralympic Games.
Amy's new life was beyond what she expected. She became a star, a fashion model, and an actress.She was even on the hit TV show Dancing with the Stars. Most importantly, she began helping people like her do the sports they love. She started a company that makes artificial limbs and she created an organization that helped disabled people to do action sports.
Now, if you ask Amy, Would you want to change your situation?, she would say no. losing her legs has enabled, not disabled, her. According to Amy, It’s facing our fears head on that allows us to live our lives beyond our borders.”
66. After Amy got the disease, .
A. her life was totally out of control
B, she once kept in low spirits for a period
C. she always imagined herself walking and snowboarding
D. she tried to spend as much as her spare time practicing snowboarding
67. It's clear that .
A. Amy started snowboarding after finishing high school
B. all Amy's achievements came soon after she lost her legs
C. Amy won the championship in the Paralympic Games twice in a row
D. Amy was finally skilled at using her new legs to go,snowboarding
68. What does the underlined sentence really mean?
A. Anything is possible, but you have to believe and you have to fight.
B. You are what you choose to be.
C. Vision without action is a daydream.
D. The only one you have to beat is yourself.
69. What can we NOT infer from the passage?
A. Amy succeeded in many different fields though she was disabled.
B. Amy inspires people to follow their dreams no matter how hard it is.
c. Amy thinks she could have been more successful without the disease.
D. Amy Purdy sees her disability as a gift that has helped her do amazing things.
70. The best title of the passage could be .
A. The Last Survivor
B. Living Beyond Limits
C. The Winner of Life
D. A Star on the Snowboard
五,词与短语填空(共5小题;每小题2分,满分10分)
71. I've got a spare ticket for film, if you are .
72. Is Jim a hero or not? That depends on how you it.
73. It will be a good idea to professional advice before we carry out the plan.
74. This year, the football season will in May.
75. Every student present at the meeting hall was pleased at his speech.
Last summer I went through a training program and became a volunteer teaching people how to read. When l d 76 what other people's lives were like because they could not read, I began to realize the true importance of reading.
My first student Marie was a 44-year-old single mother of three children. In the first lesson, I found out she walked two miles to the nearest s77 twice a week because she didn't know which bus to take. When I told her l would get her a bus timetable, she told me it would not h78
because she could not read it. She said she also had difficulty once she got to the supermarket because she couldn't always remember the things that she really needed. Since she did not know words, she could not write out a shopping list. Also, she could only recognize items by sight.
We worked hard together, learning how to build Marie's confidence, which e79 her to
continue her studies. She began to make rapid p_ 80 and was even able to take the bus to the supermarket. After this s81 trip, she told me how self-confident she felt. At the end of the program, she began helping her youngest son with his reading. She sat with him before he went to bed and read bedtime stories. When his eyes became wide with excitement as she read, pride was w 82 all over her face. As she d 83this experience, ] was p84 _of myself as well. I found that helping Marie to· build her self-confidence was very rewarding. I learned a lot about t__ 85_ and helping others and I may have learned more from the experience than Marie did.
七,书面表达(本大题15分)
李华马上就要初中毕业了。他报考了外地一所学校,根据招生规定,需要一封推荐信,请以老师的名义给他写一封推荐信。写作要点如下:
1.做事有条理,有耐心,在学生中很受欢迎;
2.爱读书,爱旅游,善于和他人相处;
3.有独特的学习方法,学习优秀,英语口语好;
4乐于帮助他人,经常参加志愿者活动;
5.补充一至两点个人看法。
注意: 1. 文中不得出现真实的校名和人名2.必须包括写作要点的内容,并坐适当发挥。
3. 80词左右,开头和结尾已经给出,不计入总词数。
参考词汇: organized adj.有条理的; special ways独特的方法volunteer n. 志愿者
Dear Sir/Madam,
It is my pleasure to recommend Li Hua for his application to study in your school。
辽源市七年级上学期数学12月月考试卷
辽源市七年级上学期数学12月月考试卷 姓名:________ 班级:________ 成绩:________ 一、单选题 (共10题;共20分) 1. (2分)下列式子,总能成立的是() A . (a-1)2=a2-1 B . (a+1)2=a2+a+1 C . (a+1)(a-1)=a2-a+1 D . (a+1)(1-a)=1-a2 2. (2分)下列分式中,是最简分式的是() A . B . C . D . 3. (2分)若-3xmy2与2x3y2是同类项,则m等于() A . 1 B . 2 C . 3 D . 4 4. (2分) (2019七上·淮滨月考) 下列运算结果为负数的是() A . B . C . D . 5. (2分) (2019七上·淮滨月考) 在两个括号内填入同一个数,能使成立的是() A . 任意一个数 B . 任意一个正数 C . 任意一个非正数 D . 任意一个非负数
6. (2分) (2019七上·淮滨月考) 如图,四个有理数m,n,p,q在数轴上对应的点分别为M,N,P,Q,若n+q=0,则m,n,p,q四个有理数中,绝对值最小的一个是() A . p B . q C . m D . n 7. (2分) (2019七上·淮滨月考) 如图所示的运算程序中,若开始输入的x值为 48,我们发现第一次输出的结果为 24,第二次输出的结果为 12,···,则第 2012 次输出的结果为() A . 3 B . 6 C . D . 8. (2分) (2019七上·淮滨月考) 某商店卖出一件上衣和一双皮鞋,共收款 240 元,其中上衣盈利 20%,皮鞋亏本 20%,该商店卖出这两件商品,下列判断正确的是() A . 赚 10 元 B . 赔10元 C . 不赔不赚 D . 无法确定 9. (2分)将方程变形正确的是() A . 9+ B . 0.9+ C . 9+ D . 0.9+ =3﹣10x 10. (2分) (2019七上·淮滨月考) 某射箭运动员在一次比赛中前6次射击共击中52环,如果他要打破89环(10次射击,每次射击最高中10环)的记录,则他第7次射击不能少于()
2017年人教版七年级语文12月月考测试题及答案
监利县外国语学校2018年秋七年级12月月考 语文试卷 (本卷共23小题;考试时间:120分钟;满分120分命题人:邓俊龙) 友情提示:所有答案必须填写到答题卡相应的位置上。 第一部分积累与运用(28分) 1、下列词语中加点的字注音全都正确的一项是()(2分) A、骸.骨(hái)峰峦.(luán)瘦骨嶙.峋(lín ) B、纳罕.(hǎn)瞬.间(sùn )头晕目眩.(xuàn ) C、辜.负(gū)迸.溅(bèng )仙露琼浆.(jiǎng ) D、伶仃.(dīng)伫.立(zhù)忍俊不禁.(jìn) 2、选出字形有误 ..的一项是()(2分) A、庸碌隐秘茁壮怡然自得 B、凝成迂回训诫心惊肉跳 C、糟蹋骚扰卑微峰围蝶阵 D、宽恕纹理收敛盘虬卧龙 3、下列各句中的加点词语运用不恰当 ...的一项是()(2分) A、一小时后,他终于苦心孤诣 ....地完成了作业。 B、2017年4月20日,四川雅安发生地震后,各级领导翻.来复去 ...地讨论灾区群众的安置和灾后重建。 C、我的心在瘦骨嶙峋 ....的胸腔里咚咚直跳。 D、36岁的邓肯依旧很刻苦的进行练习,无论是投篮还是对抗,他都一丝不苟 ....的对待。 4、下列句子中没有 ..语病的一项是()(2分) A、《我的老师》这篇课文的作者是魏巍写的。 B、山村里,满山遍野到处都是果树。 C、我们讨论了并且听了老红军的报告。 D、每个学生都应该养成上课认真听讲的好习惯。 5、下面对课文的理解错误 ..的一项是()(2分) A、《在山的那边》中“山”与“海”是两个相对的形象,是富有象征意义的。这首诗抒写了童年的向往和困惑,成年的感悟和信念,启示人们要实现远大的理想,必须百折不挠、坚持奋斗。 B、《走一步,再走一步》是过来人的经验之谈,在人生道路上,艰难险阻并不可怕,大困难可以化整为零、化难为易,走一步、再走一步,最终定能战胜一切困难。 C、《蝉》通过写作者对蝉态度的改变,揭示蝉在夏天尽情歌唱的原因是“十七年埋在泥中,出来就活一个夏天”,从而提示我们,不管生命短暂还是长久,都应该积极面对,好好生活。 D、《虽有嘉肴》选自《礼记·学记》。《礼记》是道家经典著作之一,是“五经”之一,相传为西汉戴圣编撰。《学记》是我国最早的一部关于教育、教学活动的论著。 6、名著阅读(2分) 《繁星》《春水》是冰心在印度诗人泰戈尔《》的影响下写成的,用她自己的话说,是将一些“”收集在一个集子里. 7、名句默写(8分) (1)绿树村边合, 。(孟浩然<<过故人庄>>) (2) ,随风直到夜郎西。(李白《闻王昌龄左迁龙标遥有此寄》)
湖北省武汉市七一华源中学2019-2020学年下学期六月八年级英语试题(无答案)
2019-2020 学年度下学期线上教学六月自主测试八年级英语试题 命题人:林静雅审题人:张纯 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5 小题,每小题1 分,满分5 分) 听下面5 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小题。每个问题仅读一遍。 ()1. A. For three years. B. Three years ago. C. In three years. ()2. A. So have I. B. No, I don’t. C. Me neither. ()3. A. The Sahara. B. Qomolangma. C. The Nail. ()4. A. I’m working. B. I was swimming. C. I played football. ()5. A. Couldn’t be better. B. Nothing serious. C. Well done. 第二节(共7 小题,每小题1 分,满分7 分) 听下面7 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 秒钟的时间来作答有关小题和阅读下一小题。每段对话仅读一遍。 ()6. What does the woman mean? A.The shirt is very cheap. B.The shirt is too expensive. C.The price of the shirt is fair. ()7. Where are they probably talking? ( A. On the bus. B. On the playground. )8. Who won the first prize in the English speech competition? C. On the phone. ( A. John and Mike. B. Rose and Mike. )9. Who is the owner of the photos in the room? C. Rose and John. ( A. Sports stars. B. Tony. )10. What season can be now? C. Jane. ( A. Summer B. Spring )11. What does the man mean? C. Winter A. He didn’t take the test. B.He didn’t remember the test. C.He didn’t do well in the test. ()12. How many people are there in the town now? A. 21,000 B. 42,000 C. 84,000
译林版七年级上册12月英语月考试卷
12月度质量监测七年级英语 第一部分选择题部分 听力测试 第一部分:听对话回答问题。 听对话。从题中所给的A、B、C三个选项中选出最佳选项。每段对话读两遍。 1.What does the girl have?【此处有音频,请去附件查看】 A. B. C. 2.What does Tom do on Sundays?【此处有音频,请去附件查看】 A.B. C. 3.What’s the time now?【此处有音频,请去附件查看】 A. B. C. 4.Which one is Amy?【此处有音频,请去附件查看】 A. B. C. 5.When was Lily born?【此处有音频,请去附件查看】 A.On January1st. B.On March8th. C.On October1st. 6.How old is Kitty’s mother?【此处有音频,请去附件查看】 A.34. B.40. C.44. 7.Where are they?【此处有音频,请去附件查看】 A.In the playground. B.On the bus. C.In the classroom.
8.What does Kitty like?【此处有音频,请去附件查看】 A.English. B.Sports. C.Maths. 9.What does the boy want to be when he grows up?【此处有音频,请去附件查看】 A.A doctor. B.A player. C.A teacher. 10.How does the girl go to school when it rains?【此处有音频,请去附件查看】 A.By bike. B.On foot. C.By bus. 听对话和短文回答问题 你将听到一段对话和两篇短文,各听两遍。听每段对话或短文前,你将有时间阅读相关小题,每小题5秒钟;听完后,你仍有5秒钟的时间选择正确答案。 听对话,回答下列各小题。答题完毕,请等待“嘀”的信号,进入第一篇短文。【此处有音频,请去附件查看】 11.What are Sandy's favourite vegetables? A.Tomatoes. B.Potatoes. C.Carrots. 12.How often does Sandy eat them? A.Four times a week. B.Five times a week. C.Every day. 听短文,回答下列各小题。请根据短文内容,选择正确答案,完成信息记录表。答题完毕,请等待“滴”的信号,进入下一篇短文。【此处有音频,请去附件查看】 To make your weekend look long Ways to plan a weekend Getting up____13____can make you feel the weekend is long. Finish your homework in the____14____. Go out to enjoy your weekend. You can also go to a museum,a zoo,or a____15____. 13.A.quickly B.early https://www.360docs.net/doc/a011556052.html,te 14.A.morning B.afternoon C.evening 15.A.supermarket B.school C.park
2020-2021学年度湖北省武汉七一华源中学九年级九月质量检测数学试题
2020~2021学年度上学期七一华源九年级数学九月质量检测试题 一、选择题(本大题共10小题,每小题3分,共30分) 1.一元二次方程3x2-2= x化成一般形式后,二次项系数为3,它的一次项系数和常数项分别是( ) A.1、2 B.﹣1、﹣2 C.3、2 D.0、﹣2 2.下列一元二次方程有两个相等的实数根的是( ) A. x2+3=0 B. x2+x=0 C. x2+2x=﹣1 D. x2=1 3.用配方法解方程x2+4x-1=0,下列变形正确的是( ) A. (x+2)2=3 B. (x-2)2=3 C. (x+2)2=5 D. (x-2)2=5 4.已知2x2+x-1=0的两根为x1,x2,则x1x2的值为( ) A.1 B.﹣1 C.1 2 D. 1 2 5.将抛物线y=﹣1 2 x2向左平移1个单位长度得到的抛物线的解析式为( ) A. y=﹣1 2 (x+1)2 B. y=﹣ 1 2 (x-1)2 C. y=﹣ 1 2 x2+1 D. y=﹣ 1 2 x2-1 6.对于抛物线y=﹣2(x-1)2+3,下列判断正确的是( ) A.抛物线的开口向上 B.抛物线的顶点坐标为(﹣1,3) C.对称轴为直线x=1 D.当x>1时,y随x的增大而增大 7.某超市一月份的营业额为100万元,第一季度的营业额共800万元,如果平均每月增长率为x,则所列方程应为( ) A.100(1+x)2=800 B.100+100×2x=800 C.100+100×3x=800 D.100[1+(1+x)+(1+x)2]=800 8.若二次函数y=x2+1 2 与y=﹣x2+k的图象的顶点重合,则下列结论不正确的是( ) A.这两个函数图象有相同的对称轴 B.这两个函数图象的开口方向相反 C.方程﹣x2+k=0没有实数根 D.二次函数y=﹣x2+k的最大值为 2 1 9.若A(﹣2,y1),B(1,y2),C(2,y3)是抛物线y=2(x+1)2+c上的三个点,则y1,y2,y3的大小关系是( ) A.y1>y2>y3 B.y1>y3>y2 C.y3>y2>y1 D.y3>y1>y2 10.对于抛物线y=ax2+4ax-m (a≠0)与x轴的交点为A(﹣1,0),B(x2,0),则下列说法: ①一元二次方程ax2+4ax-m=0的两根为x1=﹣1,x2=﹣3; ①原抛物线与y轴交于点C,CD①x轴交抛物线于D点,则CD=4; ①点E(1,y1)、点F(﹣4,y2)在原抛物线上,则y1>y2; ①抛物线y=﹣ax2-4ax+m与原抛物线关于x轴对称,其中正确的有( ) A.4个 B.3个 C.2个 D.1个 二、填空题(本大题共6小题,每小题3分,共18分) 11.若2是方程x2-c=0的一个根,则c的值为. 12.某植物的主干长出若干数目的支干,每个支干又长出同样数目的小分支,主干、支干和小分支总数是91,则每个支干长出的小分支数为. 13.一元二次方程x2-4x+2=0的两根为x1,x2,则x12-5x1-x2= . 14.飞机着陆后滑行的距离s(单位:米)与滑行的时间t(单位:秒)之间的函数关系式是s=96t-1.2t2,那么飞机着陆后滑行米停下. 15.如图,直线y1=mx+n与抛物线y2=ax2+bx+c的两个交点A、B的横坐标分别为﹣1,4,则关于x的不等式ax2+bx+c>mx+n的解集为.
普洱市七年级上学期生物12月月考试卷
普洱市七年级上学期生物12月月考试卷 姓名:________ 班级:________ 成绩:________ 一、选择题 (共16题;共38分) 1. (2分)“低碳经济”“低碳生活”已经成为家喻户晓的名词。绿色植物在减少大气中二氧化碳含量、增加氧气含量过程中功劳最大的是() A . 藻类植物 B . 苔藓植物 C . 蕨类植物 D . 种子植物 2. (2分)我们通常见到的蕨类植物,其地上部分常常是() A . 植株全部 B . 茎和叶 C . 叶 D . 根、茎、叶 3. (2分) (2017七上·高密期末) 下列植物不属于裸子植物的是() A . 沂山法云祠的迎客松 B . 桫椤 C . 具有抗癌作用的红豆杉 D . 公冶长书院的银杏 4. (2分)(2015·昆明模拟) 我们食用的面粉,主要取自小麦种子的() A . 胚乳 B . 子叶 C . 胚轴 D . 胚 5. (2分)下列关于植物特性的叙述,哪一项正确? A . 裸子植物多具有球果 B . 藓苔植物多具有维管束 C . 蕨类植物多不具有孢子囊 D . 单子叶植物多不具有果实 6. (2分) (2017八上·莆田期末) 学习完“种子的萌发”后,小明想探究光照对种子萌发的影响:他将两份等量的大米分别种在两个花盆中,浇足水后,一盆给予光照,另一盆放在黑暗中,保持二者所处的环境温度相同,结果两盆中的大米均未萌发。最可能的原因是()
A . 胚被破坏 B . 光照太强 C . 温度太高 D . 水分太多 7. (2分) (2020七上·遂宁期末) 东东想要探究种子萌发必须的环境条件,设置出下列几组环境条件,你认为哪组条件是种子萌发必须的() A . 肥沃的土壤、充足的空气、充足的肥料 B . 充足的肥料、适宜的水分、适宜的光照 C . 充足的空气、适宜的水分、适宜的温度 D . 土壤、适量的水分、适宜的温度、光照 8. (2分) (2017七上·永定期末) 你知道大豆种子是怎样萌发的?最先突破种皮的是() A . 子叶 B . 胚根 C . 胚芽 D . 胚轴 9. (2分) (2017七下·临淄期中) 一条根能够不断长长的原因是() A . 根冠不断增加新细胞 B . 伸长区的细胞不断伸长 C . 分生区不断增加新的细胞 D . 分生区细胞数量增加和伸长区的细胞不断伸长 10. (2分) (2016七上·广州期末) 判断下列关于植物生长说法正确的是() A . 枝条是由茎、叶、根组成的 B . 植物生长所需要的无机盐只有含氮的、含磷的和含钾的无机盐 C . 根生长是指细胞数量的增多,这是通过细胞分裂实现的 D . 伸长区细胞比分生区细胞的体积变大、变长,这是细胞分化的结果 11. (2分)以红果毛皮桃为接穗,以黄果毛皮桃为砧木,则接穗上结出的毛皮桃的颜色是() A . 黄色 B . 红色 C . 半边红色,半边黄色 D . 有的是黄色,有的是红色 12. (2分)在做“光对鼠妇生活影响”的实验时,一组选用5只鼠妇,二组选用50只鼠妇,哪一组的实验结果更准确?为什么?()
湖北省武汉市江岸区七一华源中学2020-2021学年八年级下学期3月月考数学试题
湖北省武汉市江岸区七一华源中学2020-2021学年八年级下 学期3月月考数学试题 学校:___________姓名:___________班级:___________考号:___________ 一、单选题 x的取值范围是() 1 A.x>2 B.x≠2 C.x≥2 D.x≤2 2.下列式子中,属于最简二次根式的是() A B C D 3.下列各式计算正确的是() A.6 -=B.+= C.=D.= 4.不能判定四边形ABCD为平行四边形的条件是() A.AB∥CD,AD="BC" ; B.AB∥CD,∠A=∠C; C.AD∥BC,AD="BC" ; D.∠A=∠C,∠B=∠D 5.下列条件中,不能判断△ABC为直角三角形的是 A.21 a=,22 b=,23 c=B.a:b:c=3:4:5 C.∠A+∠B=∠C D.∠A:∠B:∠C=3:4:5 6.八年级(3)班同学要在广场上布署一个矩形的花坛,计划用红花摆成两条对角线.如果一条对角线用了49盆红花,还需要从花房运来()盆红花 A.48 B.49 C.50 D.24 7.如图,在水池的正中央有一根芦苇,池底长10尺,它高出水而1尺,如果把这根芦 苇拉向水池一边,它的顶端恰好到达池边的水面则这根芦苇的长度是()
A .10尺 B .11尺 C .12尺 D .13尺 8.如图,在?ABCD 中,AB=5,AD=6,将?ABCD 沿AE 翻折后,点B 恰好与点C 重合,则折痕AE 的长为( ) A .3 B C D .4 9.如图,在菱形ABCD 中,AB =6,∠ABC =60°,M 为AD 中点,P 为对角线BD 上一动点,连接PA 和PM ,则PA +PM 的最小值是( ) A .3 B . C . D .6 10.在?ABCD 中,BC 边上的高为4,AB =5,AC =?ABCD 的周长等于( ) A .12 B .16 C .16或24 D .12或20 二、填空题 11a 的值是_________. 12.若1x =,1y =,则22x y -=___________. 13.在△ABC 中,AB=15,AC=13,高AD=12,则ABC ?的周长为_______________. 14.已知1x x +=1x x -= ______ . 15.在矩形ABCD 中,E 、F 、M 分别为AB 、BC 、CD 边上的点,且AB=6,BC=7,AE=3,DM=2,EF ⊥FM ,则EM 的长为______________.