2020年3月8日山东省枣庄市第八中学2019~2020学年度高一3月线上测试英语试题及参考答案

枣庄八中网上自主测试高一英语学科试题2020.3.22 试卷说明:1.本试卷分为第I 卷和第II 卷,考试时间120分钟,满分150分。

2.选择题按照题号填涂在答题卡的规定位置,E 涂AB, F涂AC ,G涂AD,主观试题按照要求用0.5cm黑色签字笔书写在答题纸的规定位置。

第I卷(95 分)第一部分听力(每题1.5分,20个小题,共30分)第一节1.Why does the woman fail to go to the party?A.She's been invited to a rock concert.B.She wants to meet her friends.C.She has to write a report.2.What did the woman go to London for?A.A tour.B.A vacation.C.A business trip.3.What does the man ask the woman to have?A.Orange juice.B.Some biscuits.C.A hamburger.4.What can we know about the woman?A.She is annoyed about something.B.She is worried about the man.C.She is satisfied with everything.5.Where does the conversation take place?A.In a cafe.B.On a plane.C.In a hospital.第二节(共15小题;每小题1.5分,满分22.5分)听第6段材料,回答第6、7题。

6.What is the probable relationship between the speakers?A.Manager and assistant.B.Headmaster and teacher.C.Interviewer and applicant.7.What is the strength of the woman?A.Being creative.B.Being cooperative.C.Being competitive.听第7段材料,回答第8至10题。

8.Who has not given up smoking?A.Sarah.B.Bill.C.Bill's wife.9.Why did Sarah give up smoking?A.Because she took Bill's advice.B.Because it was bad for her temper.C.Because her husband often became angry with her.10.What happened to Bill and Sarah's husband?A.They never stayed at home.B.They suffered from their wives' bad temper.C.They bought cigarettes for their wives.听第8段材料,回答第11至13题。

11.What is the conversation about?A.Renting a car.B.Selling a car.C.Advertising a car.12.Which brand of car does the man finally get?A.Hyundai Accent.B.Buick Excelle.C.Toyota Corolla.13.What does the man do before driving the car away?A.Have an examination of it.B.Mark his name on the form.C.Get a spare key.听第9段材料,回答第14至17题。

14.What kind of flowers does the man order?A.A dozen red carnations.B.A dozen yellow carnations.C.A dozen pink roses.15.Where should the flowers be sent?A.No.84, WM Street.B.No.48, MW Road.C.No.84, MW Street.16.What does the man require the woman to do at last?A.Call him to confirm the information.B.Call before delivering the flowers.C.Help him write a letter.17.What can we learn from the conversation?A.The flowers are for the man's mom.B.The man will pay for the flowers in cash.C.The flowers will be delivered to the man's home.听第10段材料,回答第18至20题。

18.What trouble did the library fall in?A.It hadn't enough money left to move its instruments.B.It hadn't enough money left to buy all the books it needed.C.It hadn't enough money left to move all the books it had.19.What bright idea did one of the librarians offer?A.The library could have all the books lent to the readers in the city.B.The students around the city could come for help.C.The librarians could have all the books delivered to their homes.20.What can be inferred according to the recording?e your head, and you can find a way.B.More hands, lighter work.C.Where there is a will, there's a way.第二部分阅读理解(共两节,20个小题,每小题2.5分,满分50分)第一节(共15个小题)阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。

The Fennec fox is also known as the desert fox since it survives in the Sahara Desert. It is the smallest of the species of foxes, and quite a few people wish to raise it as a pet because of its appearance. However, this is very rare, as it needs special care and attention. Let's take a look at the basic information on the Fennec fox, including its physical appearance, natural habitat, and diet.Physical AppearanceThe Fennec fox is the smallest type of fox, with a body length of about 9.5-16 inches, and 6-inch-long ears. It weighs only around one kilogram. It has a cream-colored, furry body, with a black-tipped tail.Their ears are the largest among all foxes relative to the body size, which not only provide them with great hearing, but also radiate the extreme desert heat and thus help to keep the body cool. Moreover, in order to walk on the hot sand, a Fennec fox's feet are covered with thick fur. Not only that, the feet also help in digging, as this animal lives under the ground.Habitat and LifestyleThe habitat of this animal is mainly in the Sahara Desert, and also in other parts of North Africa. The Fennec fox is usually active during the night. This character helps it deal successfully with the extreme heat in the desert.As an extremely social animal, it often lives in groups of ten and each group has its own land. This animal is, however, aggressive too, ready to attack, especially in the mating (交配) season, when they all compete with each other for a mate.DietThe Fennec fox is an omnivore (杂食动物). While it can survive on plants, it also needs other items such as insects, rabbits, birds and eggs. Getting used to living in the desert allows it to survive for long periods without any water. They are known to take in water when eating food, but will drink water if available.21.What helps the Fennec fox survive in the desert?A.The small body size.B.The great hearing.C.Getting active at night.D.Living in groups.22.The word “radiate” (Paragraph 3) is closest in meaning to ________ .A.send outB.take inC.suffer fromD.turn down23.What can we learn about the Fennec fox in the passage?A.It seldom attacks others.B.It's difficult to raise it as a pet.C.It can survive without any water.D.It's the smallest animal in the desert.BA store owner was putting a sign up his door that read “Puppies For Sale.” Signs like that have a way of attracting small children, and sure enough, a little boy appeared under the store owner’s sign. “How much are you going to sell the puppies for?” he asked.The store owner replied, “Anywhere from $30 to $50.”The little boy reached in his pocket and pulled out some change. “I have $2.37,” he said. “Can I please look at them?”The store owner smiled and whistled and out came a lady followed by five teeny tiny balls of fur. One puppy was lagging (落后) considerable behind. Immediately the little boy picked out the lagging limping (跛行) puppy and said, “What’s wrong with that little dog?”The store owner explained that the vet had examined the little puppy and had discovered it would always limp. The little boy became excited. “That’s the little puppy that I want to buy.”The store owner said, “No, you don’t want to buy that little dog. If you really want him, I’ll just give him to y ou.”The little boy looked straight into the store owner’s eyes, pointing his finger and said offensively, “I don’t want you to give him to me. That little dog is worth every bit as much as all the other dogs and I’ll pay full price. In fact I’ll give you $2.37 now, and 50 cents a month until I have him paid for.The store owner said, “You really don’t want to buy this little dog. He is never going to be able to jump and play with you like the other puppies.”To this, the little boy reached down and rolled up his pant leg to reveal a badly twisted (扭曲的), crippled left leg supported by a big metal brace(支撑物). He looked up at the store owner and softly replied, “Well, I don’t run so well myself, and the little puppy will need a friend who understands!”24.What did the owner first do when asked to sell the puppy?A.He refused to sell the puppy.B.He sent the puppy to the boy.C.He sold the puppy at a higher price.D.He sold the puppy at a lower price.25.How did the boy feel at the owner’s response?A. Sad.B. Upset.C. Delighted.D. Hopeful.26.Which of the following statements is probably true?A.The boy finally bought the puppy at 2.37.B.All the puppies were limp.C.The boy finally bought the puppy at full price.D.The owner finally sent the puppy to the boy.27.What can we learn from this passage?A.Everything is good when new, but friend when old.B.A friend is a second self.C.Money isn’t everything.D. Respect is a lesson that everyone should learn.CInternational pressure may be the only way to stop the Brazilian government from taking a “suicide”自杀)path in the Amazon, one of the country’s most respected scientists has said, as the world’s biggest rainforest continues to be destroyed by thousands of deliberate fires.(The large number of fires — set illegally to clear and prepare land for crops, cattle and buildings– has resulted in the state of Amazonas to declare an emergency, created heavy smoke clouds that have drifted(漂浮)hundreds of miles, and raised international concernsabout the destruction of a carbon sink, which refers to the use of plant photosynthesis (光合作用)to absorb carbon dioxide from the atmosphere.On Wednesday, the UK trade minister Conor Burns was shaking hands with his counterparts in Brasilia and declaring a desire to “deepen relations”. Asked about the fires, he declined to comment but reportedly said Bolsonaro’s government had ambitions to bring prosperity to its people.4Scientists say the ongoing destruction will have serious consequences for Brazil and the world.Carlos Nobre, a senior researcher with the Institute of Advanced Studies at the University of São Paulo, said the increase in cutting down forests was taking the rainforest closer to a turning point beyond which the usually humid forest would become an extremely dry place, with serious consequences for the climate, wildlife and forest creatures.Nobre said destruction of forests was on course to rise by 20-30% this year and was “very likely” to pass 10,000 sq km for the first time in more than 10 years. The trend has been worsening for several years, but it has accelerated under Bolsonaro, who has weakened the environment agency and expressed support for miners, farmers and loggers.“The situation is very bad. It will be terrible,”Nobre told the Guardian. “A very large number of these fires are due to the cultural push that ministers are giving. They are pushing deforestation because it is good for the economy. Those who do illegal deforestation are feeling empowered.”28.What is the attitude of Nobre towards the Bolsonaro’s government in handling the fires?A. approval B indifferent C. enthusiastic D. negative29.What is the main cause of Amazon fires according to the passage?A. global warmingB. the dry weatherC. fires set illegally to clear and prepare landD. the carelessness of farmers30.What does the underlined word “deforestation” in the passage mean?A. destroying the land of the forestB. planting more treesC. protecting the forestD. cutting down or burning the trees in an area31.Which of the following is the best title for the text?A. Big FiresB. DeforestationC. The lungs of the earth are burningD. Amazon RainforestDYour colleague’s sharp comment keeps replaying in your mind. Two of your students are trapped in a “he said/she said”battle. When you reflect on your emotional reactions, you sometimes get caught up in cycles of negative feelings, which can make you feel even worse. If so, the answer may lie in a skill called “self-distancing”, the ability to take a step back and view yourself more objectively. According to a research, when people adopt self-distancing while discussing a difficult event, they make better sense of their reactions, experience less emotional suffering, and display fewer signs of stress.But what might self-distancing look like in action? Consider a typical “he said/she said”student conflict(冲突) where they are each focusing on their own feelings. One is thinking, “I can’t believe he did that to me.” And another insists, “She really hurt my feelings.” However, if you ask them to take the self-distancing, they might step outside of themselves and ask broader questions: “Why was he so hurt in this situation?” or “How did her anger affect him?”Although this approach may sound too simple to be effective, studies indicate that a change in point of view can have a powerful effect on the way people think, feel, and behave. Here are several different techniques you can try.First, consider how a thoughtful friend might respond after quietly observing their situation. Besides, avoid using the pronoun “I”. Focus on using third-person pronouns, he, she, they, and they were able to see the stressful event as challenging rather than threatening. Finally, ask yourself, “Ho w would I feel about this one week from now or ten years from now?” This form of mental time travel may be effective because our attention is directed away from our immediate, concrete circumstances.32.What is self-distancing?A. Getting stuck in negative emotions.B. A stressful situation.C. A study on relieving emotional stress.D. Reflecting on yourself objectively.33.Paragraph 2 is developed by____.A. exampleB. definitionC. comparisonD. process34.Which of the following statement uses the techniques of self-distancing?A.I’m angry with him.B.How I wish I could go back to the past!C.How did these two people get to this point?D.He grabbed my notes, and then, and then35.What is the best title for the passage?A. Why Self-distancing MattersB. The Application of Self-distancingC. Breaking the Cycle of Negative ReflectionD. Ways to Reflect on Emotional Reactions第二节(共5小题)七选五:从短文后的选项中选出可以填入空白处的最佳选项。

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2019年3月枣庄市八中东校区高一数学考试卷附答案详析

2019年3月枣庄市八中东校区高一数学考试卷附答案详析

A. x2 y2 4x 0
B. x2 y2 4x 2 0
C. x2 y2 4x 2 0
D. x2 y2 4x 0
【答案】A
【解析】求出圆 x2 y2 4x 6y 4 0 的圆心坐标和半径,利用两圆相外切关系,可以求出圆 C 的半径,
求出圆的标准方程,最后化为一般式方程. 【详解】
A. cm 3
B. 2 cm 3
C. 2 cm 3
D. 2 2 cm 3
【答案】B 【解析】先将圆心角的角度化为弧度,然后再利用弧长公式进行求解,即可得到结果. 【详解】
圆弧所对的中心角为
60
即为
3
弧度,
半径为 cm ,则由弧长 l
r
3
2 3
.
故选 B 【点睛】
本题考查了计算弧长,需要运用弧长公式 l r ,掌握公式并能熟练运用公式求解,注意角度要化为弧度,本题
1 2
,因此切线斜率为 2,故切线方程为 y 1 2x 2 ,
整理得 2x y 5 0.
【点睛】
本题主要考查圆的切线方程,属于基础题型.
7.已知函数
f (x) sin( x ) ,( A 0 , 0 ,
2
)满足
f (x ) 2
f (x ) ,且 2
f ( x) f ( x) ,则下列区间中是 f (x) 的单调减区间的是( )
AC r R R 2 ,故圆 C 的标准方程为: (x 2)2 y2 4 x2 y2 4x 0 ,故本题选 A.
【点睛】 本题考查了圆与圆的相外切的性质,考查了已知圆的方程求圆心坐标和半径,考查了数学运算能力.
6.经过点 M 2, 1 作圆 x2 y2 5 的切线,则切线的方程为 (

山东省枣庄市第八中学2019-2020学年高一地理月线上测试试题

山东省枣庄市第八中学2019-2020学年高一地理月线上测试试题

山东省枣庄市第八中学2019-2020学年高一地理3月线上测试试题意事项:1.答题前填写好自己的姓名、班级、考号等信息2.请将答案正确填写在答题卡上第I 卷(选择题)一、单选题(每道题2分,共50分)读下面两幅图回答下列各题1.世界上人口分布最多的纬度带是()A.0°~20°N B.0°~20°SC.20°N~40°N D.40°N~60°N2.全球有50%以上的人口居住在()A.平原地区B.高原地区C.南半球D.西半球读“农民工回流地点选择的推力、拉力示意图”,完成下列各题。

3.在农民工回流的推力和拉力中( )A.拉力Ⅰ可能表示较好的医疗卫生条件B.拉力Ⅱ可能表示完善的基础设施C.推力可能表示环境质量日趋恶化D.推力可能表示高昂的生活成本4.农民工回流对城市产生的影响是( )A.不利于高新技术产业的发展B.促进了城市化水平的提高近年来,重庆城市发展迅猛,城市化水平不断提高。

下表示意2010年重庆市人口数及构成状况,读图表回答下列下列小题。

5.图中能正确表示2010年重庆市人口年龄构成的是()A.①B.②C.③D.④6.全面放开二孩的人口政策对重庆市社会经济带来哪些影响()A.人口增长速度长时间持续增加B.带动养老需求的增长C.长期来看有利于改善男女性别比例失衡状况D.缓解劳动力人口抚养压力7.下列因素中,与环境人口容量呈负相关的是A.资源数量B.消费水平C.对外开放程度D.科技发展水平读澳大利亚人口分布图,回答下面两题。

8.下列有关澳大利亚资源环境承载力的叙述,正确的是()A.大陆各区域资源环境承载力相差不大B.地形是影响资源环境承载力的决定性因素C.内陆地区水资源缺乏,资源环境承载力小D.人口密度大的地区资源环境承载力小9.澳大利亚是一个地广人稀的国家,人口集中分布于东南沿海地区,对澳大利亚人口分布影响最小的因素是()A.适宜的气候B.发达的农、牧、工矿业C.对外联系便利D.地域文化近年来,随着网络信息技术和快递业的发展,自提空间在我国出现,并逐步被政府纳入各级规划与社区服务基础设施之中。

山东省枣庄第八中学2019-2020学年高一3月线上测试英语试题(pdf版)答案

山东省枣庄第八中学2019-2020学年高一3月线上测试英语试题(pdf版)答案

英语试题答案听力:1-5CCAAB6-10CBCAB11-15ACAAC16-20BACAA阅读理解21-23CAB24-27ABCD28-31DCDC32-35DACC七选五36-40DAFGB完形填空41-55DCBDC DACAC DACBA语法填空56.carrots57.shiny/shining58.so59.myself60.earlier61.to cook62.searched 63.spread64.where65.a翻译句子66.I try to take/seize every opportunity to go/get outside and admire the natural world.67.This idea is well worth considering.68.It takes hundreds of years for plastic to break down.69.Seen from the hill,the city is very beautiful.70.All I can do is ride a tricycle and make money for the students.读后续写:Paragraph1:My heart beating rapidly,I headed for the register.I paid the dollar for the three items and was about to leave when I felt a heavy tap on my shoulder.It was a big detective.“You stole something.You will be searched,”he announced.Horrified,I slid the book out from inside the shirt and handed it over.“An encyclopedia?”he asked, somewhat surprised.“Yes.”I whispered,trembling,“Why didn't you ask your parents to purchase it?”,“I did,but they didn't have the money.”With a sigh,he made me promise to tell my parents about my wrongdoing and then let me leave. Paragraph2:Back home,I told my mother what I had promised the detective.Unexpectedly,she didn't explode as usual.She fell silent,looking extremely anxious.Consumed with guilt,I gathered my courage,apologized and promised that it would never happen again.“All will be OK!”said my mother,wrapping me in her arms.My mother then asked me to play outside for a while and happily I went out.Hours later,when I was back home,I noticed a bag with my name on it,I opened it and packed inside was the World Book Encyclopedia.。

山东省枣庄市第八中学东校区2019_2020学年高一数学3月月考(网络测试)试题

山东省枣庄市第八中学东校区2019_2020学年高一数学3月月考(网络测试)试题

山东省枣庄市第八中学东校区2019-2020学年高一数学3月月考(网络测试)试题(时间100分钟 ,满分100分) 2020.3.1一、选择题(本大题共8小题,每小题5分,共45分1.已知平面向量a (1,1),(1,1)b ==-r r ,则向量13a-=22b r r( )A.(-2,-1)B.(-2,1)C.(-1,0)D.(-1,2)2. 计算(1+i)(2+i)= ( )A.1-iB.1+3iC.3+iD.3+3i3.复平面内表示复数z=i(-2+i)的点位于 ( )A.第一象限B.第二象限C.第三象限D.第四象限4.设i 是虚数单位,复数2iiα+-是纯虚数,则实数α=( )A.2B. 12C. 1-2D.-25.在△ABC 中,A=3π,BC=3,AB=6,则C 等于 ()A. 3或44ππ B. 34π C. 4π D. 6π6.已知向量a,b r r 满足a 5,b 4==r r ,b 61a -=r r,则a 与b r r 的夹角θ等于( )A.56πB.23πC.3πD.6π7.在△ABC 中,AB=2,BC=3,∠ABC=60°,AD 为BC 边上的高,O 为AD 的中点,若=λ+μ,则λ+μ等于 ( )A.1B. 12C. 13D. 238.已知非零向量AB →与AC →满足⎝ ⎛⎭⎪⎪⎫AB →|AB →|+AC →|AC →|·BC →=0,且AB →|AB →|·AC →|AC →|=12,则∆ABC的形状是( )A .三边均不相等的三角形B .等腰直角三角形C .等边三角形D .以上均有可能9.(多选)已知a (1,2),(3,4)b ==r r ,若a kb+r r与-a kb r r互相垂直,则实数k=( )A.5B. 5-5C. -5D.55三、填空题(本大题共3小题,每小题5分,共15分)10.已知向量a (2,6),(-1,)b λ==r r.若ar ∥b r,则λ=________.11.在△ABC 中,角A,B,C 所对的边分别为a,b,c.若a=13,b=3,A=60°,则边c =________.12.在△ABC 中,内角A,B,C 的对边分别是a,b,c,若32sin(+)=242B π,且a 2c +=,则△ABC 周长的取值范围是________.四、解答题(本大题共2小题,共40分.13.(20分)△ABC 的内角A,B,C 的对边分别为a,b,c,已知2sin()8sin 2BA C +=.(1)求cos B ; (2)若a 6c +=,△ABC 的面积为2,求b.14.(20分)已知在△ABC 中,角A,B,C 的对边分别为a,b,c,向量m r =(sin A,sin B),n r=(cosB,cos A),m n r rg=sin2C. (1)求角C 的大小. (2)若sin+sin B 2sin A C=,且·(-)=18,求边c 的长.高一数学单元检测参考答案2020.3.11. 【解析】选D.因为a=(1,1),b=(1,-1),所以a-b=(1,1)-(1,-1)=-=(-1,2).2. 【解析】选B.依题意得(1+i)(2+i)=2+i2+3i=1+3i.3.【解析】选C.z=i(-2+i)=-2i+i2=-1-2i,故复平面内表示复数z=i(-2+i) 的点(-1,-2)位于第三象限.4. 【解析】选B.因为==是纯虚数,所以2a-1=0且a+2≠0,所以a=.5.【解析】选C.BC=a=3,AB=c=,由正弦定理,得sin C==,又a=3,c=,所以a>c,即A>C,故C为锐角.所以C=.6.【解析】选B.由|b-a|=可得b2-2a·b+a2=16-2a·b+25=61,所以a·b=-10,所以cos θ==-=-,所以θ=120°.7.【解析】选D.因为=+=+,所以2=+,即=+.故λ+μ=+=.8.解析 答案 C∵⎝ ⎛⎭⎪⎪⎫AB →|AB →|+AC →|AC →|·BC →=0,∴∠A 的平分线所在的向量与BC →垂直,所以△ABC 为等腰三角形.又AB→|AB →|·AC→|AC →|=12,∴cos A =12,∴∠A =π3.故△ABC 为等边三角形. 9. 【解析】选BD.由已知a =(1,2),b =(3,4),若a +k b 与a -k b 互相垂直,则(a +k b )·(a -k b )=0,即a 2-k 2b 2=0,即5-25k 2=0,即k 2=,所以k=±.10. 【解析】因为a ∥b ,所以-1×6=2λ,所以λ=-3. 答案:-311.【解析】a 2=c 2+b 2-2cbcos A ⇒13=c 2+9-2c×3×cos 60°,即c 2-3c-4=0,解得c=4或c=-1(舍去). 答案:412.【解析】因为sin =,且角B 为三角形的内角,所以B=,所以B=.又b 2=a 2+c 2-2accos B=(a+c)2-3ac=4-3ac ≥4-=1,当且仅当a=c=1时,取等号,所以b≥1,所以a+c+b ≥3;又a+c=2>b,所以a+c+b<4,所以△ABC 周长的取值范围是[3, 4). 答案:[3,4)13.【解析】(1)由题设及A+B+C=π得sin(A+C)=sin B=8sin 2,故sin B=4(1-cos B),上式两边平方,整理得17cos 2B-32cos B+15=0,解得cos B=1(舍去),cos B=.(2)由cos B=得sin B=,故S△ABC=acsin B=ac,又S△ABC=2,则ac=,由余弦定理及a+c=6得b2=a2+c2-2accos B=(a+c)2-2ac(1+cos B)=36-2××=4,所以b=2.14.【解析】(1)m·n=sin A·cos B+sin B·cos A=sin(A+B),对于△ABC,A+B=π-C,0<C<π,所以sin(A+B)=sin C,所以m·n=sin C,又m·n=sin2C,所以sin2C=sin C,cos C=,又因为C∈(0,π),所以C=.(2)由已知可得2sin C=sin A+sin B,由正弦定理得2c=a+b.因为·(-)=18,所以·=18,即abcos C=18,ab=36.由余弦定理得c2=a2+b2-2abcos C=(a+b)2-3ab,所以c2=4c2-3×36,c2=36,所以c=6.。

山东省枣庄第八中学东校区高一3月月考物理试题Word版含答案

山东省枣庄第八中学东校区高一3月月考物理试题Word版含答案

本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,共100分,考试时间90分钟.第Ⅰ卷(选择题共48分)一、选择题(共60分.前9题单选,单选题4分,多选题6分)1.关于物体的运动,下列说法正确的是( )A.做曲线运动的物体所受的合力可以不为0 B.做曲线运动的物体有可能处于平衡状态C.做曲线运动的物体速度方向一定时刻改变D.做曲线运动的物体所受的合外力的方向可能与速度方向在一条直线上2. 荡秋千是儿童喜爱的一项体育运动,图为小孩荡秋千运动到最高点的示意图,关于小孩此时加速度方向可能正确的是 ( )3.某人横渡一条河,船速和水速一定,此人过河的最短时间为T1,若此人用最短的位移过河,则所需的时间为T2.若船速大于水速,则船速和水速之比为( )A.T2T22-T21B.T2T1C.T1T22-T21D.T1T24.以初速度v0水平抛出一个物体,经过时间t物体的速度大小为v,重力加速度为g,则经过时间2t物体速度大小的表达式是( ) A.v0+2gt B.v+gt C.v20+(2gt)2 D.v2+2(gt)25.如图C­5­9所示,OO′为竖直转轴,MN为固定在OO′上的水平光滑杆,有两个质量相同的金属球A、B套在水平杆上,AC、BC两根抗拉能力相同的细绳一端连接金属球,另一端C固定在转轴OO′上,当两绳拉直时,A、B两球转动的半径之比恒为2∶1.若转轴角速度逐渐增大,则( )A.AC绳先断B.BC绳先断C.两绳同时断D.不能确定哪根绳先断6.火箭在高空某处所受的引力为它在地面某处所受引力的一半,则火箭离地面的高度与地球半径之比为( )A.(2+1)∶1 B.(2-1)∶1C.2∶1 D.1∶ 27.已知引力常量为G,则根据下面的哪组数据可以算出地球的质量( )A .月球绕地球运行的周期T 1及月球到地球中心的距离R 1B .地球绕太阳运行的周期T 2及地球到太阳中心的距离R 2C .地球绕太阳运行的速度v 及地球到太阳中心的距离R 2D .地球表面的重力加速度g 及地球到太阳中心的距离R 28. “飞车走壁”是一种传统的杂技艺术,演员骑车在倾角很大的桶面上做圆周运动而不掉下来,如图所示,已知桶壁的倾角为θ,车和人的总质量为m ,做圆周运动的半径为r .若使演员骑车做圆周运动时不受桶壁的摩擦,下列说法正确的是( )A. B.C.桶面对车的弹力为cos mg θD. 桶面对车的弹力为sin mgθ9.1990年5月,紫金山天文台将他们发现的第2752号小行星命名为吴健雄星,该小行星的半径为16km ,若将此小行星和地球均看成质量分布均匀的球体,小行星密度与地球相同。

山东省枣庄第八中学2019-2020学年高一3月线上测试物理试题答案

山东省枣庄第八中学2019-2020学年高一3月线上测试物理试题答案

开始滑动时,由牛顿第二定律可得 kmg=m 2·2l,解得ωb=
㤴,C 项正确;当 a 开始滑动时,
2
由牛顿第二定律可得 kmg=m 2l,解得ωa=
㤴,而当转盘的角速度ω= 2 㤴时,小于 㤴,小
3
木块 a 未发生滑动,其所需的向心力由静摩擦力来提供,由牛顿第二定律可得 f=mω2l=2kmg,D
E.小球在运动的过程中不能与木板接触,防止改变轨迹,故 E 正确;
F.描点连线时用平滑曲线连接,故 F 错误.
(3).在竖直方向上,根据△y=gT2 得,
T y= 0.25 0.15s=0.1s
g
10
则初速度
v0=
x T
=
0.2 0.1
m/s=2.0m/s
(4).物体运动到 B 点的竖直分速度
vyB=
yAC 2T
=
0.4 0.2
m/s=2m/s
根据平行四边形定则知,B 点的速度
vB= v02 vyB2= 22 22 m/s 2 2m/s=2.8m/s 14、(1)控制变量 (2) 向心力大小之比(或向心力之比) (3) 向心力 F 跟小球质量 m 成正比,跟转速 n 的平方成正比,跟运动半径 r 成正比(或向心力 F 跟小球质量 m、转速 n 的平方、运动半径 r 的乘积成正比) (4) 难以保证小球做匀速圆周运动,转速难按比例
8、【答案】C【解析】
由题意可知,在
B
点,有 FB
mg
m
v12 R
,解之得
FB=mg,在
A
点,有 FA
mg
m
v22 R
,
解之得 FA=7mg,所以 A、B 两点轨道对车的压力大小相差 6mg。故选项 C 正确。 9\【答案】 AC 【解析】

山东省枣庄第八中学2019-2020学年高一3月线上测试化学试题答案

枣庄八中网上自主测试高一化学试题答案1.答案D解析178O原子核内质子数是8,A错误;11H原子核内中子数是1-1=0,B 错误;O2和O3互为同素异形体,C错误;通常情况下,He与N2化学性质都很稳定,D正确。

2.【答案】B【解析】①非金属单质N能从M的化合物中置换出非金属单质M,说明非金属性N强于M,故错误;②M原子比N原子容易得到电子,说明非金属性M强于N,故正确;③N-离子的还原性比M-离子强,能说明M的非金属性比N强,故正确;④非金属性强弱与氢化物的酸性没有关系,故错误;⑤H m MO x和H n NO y不一定是最高价含氧酸,不能比较非金属性强弱,故错误;⑥非金属性强弱与非金属单质的熔点无关系,故错误;答案选B。

3.【答案】A【解析】该氧化物的摩尔质量为(A+16)g/mol,ng它的氧化物的物质的量为nA+16mol;一个氧化物分子中含有(A−N+8)个质子,所以ng它的氧化物中所含质子的物质的量为:n A+16mol×(A−N+8)=nA+16(A−N+8)mol,答案选A。

4.答案A解析非金属性Br>I,则HBr比HI的热稳定性强,A项不正确;非金属性P>Si,则H3PO4比H2SiO3的酸性强,B项正确;同周期从左到右,元素原子半径逐渐减小,Na、Mg同周期且Na位于左侧,所以原子半径:Na>Mg,C项正确;同主族元素的简单阴离子的离子半径从上到下依次增大,其还原性从上到下依次增强,如还原性F-<Cl-<Br-<I-,D项正确。

5.解析:选A。

分析如下:6.【答案】A【解析】质子数决定元素种类,质子数和中子数决定原子的种类。

因为40K的质子数是19,40Ca的质子数是20,两者质量数相同,质子数不同,所以,中子数也不相等,A正确;金刚石和石墨都是由碳元素构成的,由于它们的晶体结构不同,性质上也存在差异,如硬度、导电性都不同,在化学性质上也不完全相同,金刚石相对稳定,B不正确;H2和D2是单质分子,不符合同位素的概念,C不正确;只含一种元素的物质不一定是纯净物,如O2与O3的混合气体,虽然体系中只有一种元素,却存在着结构完全不同的两种分子,所以,不是纯净物,D不正确。

2019-2020学年山东省枣庄第八中学高一3月线上测试英语试题 Word版

枣庄八中网上自主测试高一英语学科试题2020.3.22 试卷说明:1.本试卷分为第I 卷和第II 卷,考试时间120分钟,满分150分。

2.选择题按照题号填涂在答题卡的规定位置,E 涂AB, F涂AC ,G涂AD,主观试题按照要求用0.5cm黑色签字笔书写在答题纸的规定位置。

第I卷(95 分)第一部分听力(每题1.5分,20个小题,共30分)第一节1.Why does the woman fail to go to the party?A.She's been invited to a rock concert. B.She wants to meet her friends.C.She has to write a report.2.What did the woman go to London for?A.A tour. B.A vacation. C.A business trip.3.What does the man ask the woman to have?A.Orange juice. B.Some biscuits. C.A hamburger.4.What can we know about the woman?A.She is annoyed about something. B.She is worried about the man.C.She is satisfied with everything.5.Where does the conversation take place?A.In a cafe. B.On a plane. C.In a hospital.第二节(共15小题;每小题1.5分,满分22.5分)听第6段材料,回答第6、7题。

6.What is the probable relationship between the speakers?A.Manager and assistant. B.Headmaster and teacher. C.Interviewer and applicant.7.What is the strength of the woman?A.Being creative. B.Being cooperative. C.Being competitive.听第7段材料,回答第8至10题。

山东省枣庄第八中学2019-2020学年高一3月线上测试语文试题(pdf版)

2020年枣庄八中高一年级线上统一测试语文考试时间:150分钟;时间:2020.3.20注意事项:1.选择题请按照学校使用的考试平台所需具体要求作答。

2.非选择题答案必须写在答题卡各题目指定区域内,写在非答题区域的答案无效。

3.考生必须保证纸质答题卡的清晰、整洁。

Ⅰ卷选择题(75分)一、课内阅读(每题3分,共45分)1.下列加点字注音全都正确的一项是()A.刀俎.(zǔ)彼恶.知之(è)孝悌.(dì)共.其乏困(gòng)B.庠.序(xiáng)逢.孙(féng)参乘.(chéng)失其所与.(yǔ)C.邪侈.(chì)瞋.目(chēn)所踦.(yǐ)冠.者五六(guān)D.目眦.尽裂(zì)批大郤.(xì)啖.之(dàn)赍.发(jī)2.下列选项中,加点字解释有误的一项是()A.明.足以察秋毫之末(视力)如其礼乐,以俟.君子(等待) B.导.大窾(引导,这里指引刀进入)沛公则置.车骑(放弃,丢下) C.籍.吏民,封府库(登记)朝济.而夕设版焉(成功)D.素善.留侯张良(友善、交好)又欲肆.其西封(延伸、扩张)3.加点词语从词类活动的角度分析与例句相同的一项()例:交戟之卫士欲止不内.A.如会同,端章甫..B.晋军.函陵C.越国以鄙.远D.项伯杀人,臣活.之4.与“甚矣,汝之不惠”句式相同的一项是()A.宜乎百姓之谓我爱也B.不吾知也C.臣之所好者,道也D.夫晋,何厌之有5.下列加点词语的意思与现代汉语基本相同的一项是()A.毫毛..之往来..不敢有所近B.行李C.批大郤,导大窾,因其固然..之力不及此..D.微夫人6.下列句子中均含通假字的一项是()①技盖至此乎②不识有诸③不可不蚤自来谢项王④颁白者不负戴于道路矣⑤以小易大,彼恶知之⑥臣以神遇而不以目视⑦沛公奉卮酒为寿⑧愿伯具言臣之不敢倍德也A.②④⑥⑧B.①③⑤⑦C.①③④⑧D.②③⑥⑦7.下列句子中加点的词的用法,相同的一项是() A.庖丁为.文惠君解牛为.之踌躇满志B.樊哙覆其盾于.地因击沛公于.坐C.以.其无礼于晋若无罪而就死地,故以.羊易之也D.吾力足以举百钧,而.不足以举一羽莅中国而.抚四夷8.关于文章内容的理解与赏析不正确的一项是() A.《鸿门宴》语言精练、绘声绘色,人物形象鲜明生动。

山东省枣庄市第八中学2019_2020学年高一物理上学期期中试题(扫描版)

山东省枣庄市第八中学2019-2020学年高一物理上学期期中试题(扫描版)试卷类型:A高一物理参考答案及评分标准2019.11一、本题包括11小题,每题4分。

在每小题给出的四个选项中,第1~7小题,只有一个选项正确;第8~11小题,有多个选项正确,全部选对的得4分,选对但不全的得2分,有选错的得0分。

1.D2.C3.A4.A5.B6.D7.C8.BD9.BC 10.BC 11.AD二、本题共2小题。

共16分。

请将答案填在题中横线上或按题目要求作答。

12. 1.6(3分);4.0(3分)13.(10分)(1)(3分),75N/m(3分)(2)在弹性限度内,弹力与弹簧的伸长量成正比(2分)(3)避免弹簧自身所受重力对实验的影响(2分)三、本题共4小题,共40分。

解答应写出必要的文字说明、方程式及重要的演算步骤,只写出最后答案的不得分。

有数值计算的题,答案中必须明确写出数值和单位。

14.(8分)解:(1)减速时间t1=t=8s………………………………1分加速时间t2=t=4s………………………………1分设减速过程加速度为a1,由速度公式v=v0+a1t1………………………………1分解得a1=-2m/s2………………………………1分设减速过程加速度为a2,由速度公式v=v0+a2t2………………………………1分解得a1=4m/s2………………………………1分(2)3s末的瞬时速度:………………………………1分解得14m/s………………………………1分15.(10分)解:(1)以汽车前进的方向为正方向,由位移公式………………………………2分解得a=-4m/s2………………………………2分加速度方向与速度方向相反。

(2)刹车的总时间为t2,由v=v0+at2………………………………2分解得t2=4.5s………………………………1分因t=5s>t2,所以汽车已经停止运动。

由………………………………2分解得x=40.5m………………………………1分16.(10分)解:(1)设杆下端到窗口上沿的高度为h,运动时间为t,对从释放到杆的下端到达窗口上沿过程由位移时间关系,有………………………………2分对从释放到杆的上端到达窗口下沿过程由位移时间关系,有………………………………2分联立解得h=5m,t=1s………………………………2分(2)由平均速度公式………………………………2分解得=11.5m/s………………………………2分17.(12分)解:(1)设摩托车匀加速运动的时间为t1,由v=v0+at1………………………………1分得=16s………………………………1分由x1=………………………………1分解得x1=200m<s0=1200m,所以摩托车在达到最大速度之前没有追上汽车,则追上汽车前两车速度相等时间距最大。

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