浙江省嘉兴市第五高级中学2020-2021学年高一上学期期中测试英语试题含答案
荣成市2020-2021学年高一上学期期中考试 英语试题(含答案)
荣成市2020-2021学年高一上学期期中考试英语试题第一部分听力（共两节，满分30分）做题时，先将答案标在试卷上。
录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。
第一节（共5小题；每小题1.5分，满分7.5分）听下面5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，并标在试卷的相应位置。
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。
第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。
听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间。
每段对话或独白读两遍。
1.When will the meeting start?A. At 8:15.B. At 8:45.C. At 9:00.2.Where does the woman suggest going?A. To the movies.B. To the bookstore.C. To the shopping mall.3. Who are the speakers going to see?A. The woman's father.B. The man's uncle.C. The man's father.4. Where can the woman be?A. At the library.B. At the doctor's.C. At a bookshop.5. What might be the relationship between the speakers?A. Teacher and Student.B. Mother and Son.C. Doctor and Nurse.听第6段材料，回答第6、7题。
浙江省9 1高中联盟2020-2021学年高一上学期期中考试语文试题 Word版含答案
2020学年第一学期9＋1高中联盟期中考试高一年级语文学科试题考生须知：1．本卷满分150分，考试时间120分钟；2．答题前，在答题卷指定区域填写班级、姓名、考场、座位号及准考证号并核对条形码信息；3．所有答案必须写在答题卷上，写在试卷上无效，考试结束后，只需上交答题卷；一、语言文字应用（本大题共12题，选择题每小题3分，共42分。
选择题列出的四个备选项中只有一项是符合题目要求的，不选、多选、错选均不得分）1．下列词语中读音字形全都正确的一项是A．我们文工团的几个同志，就由助攻团的团长分派到各个战斗连去。
大概因为我是个女同志吧，团长对我抓了半天后脑勺．（sháo），最后才叫一个通讯员送我到前沿包扎．（zā）所去。
B．列车一头扎进黑暗，把她们撇．（piě）在冰冷的铁轨旁边。
很久，她们还能感觉到它那越来越轻的震颤．（chàn）。
一切又恢复了寂静，静得叫人愁怅。
C．中秋节，在我的故乡，现在一定又是家家门前放一张竹茶几．（jī），上面供一副．（fù）香烛，几碟瓜果月饼。
孩子们急切地盼那柱香快些焚尽，好早些分摊给月亮娘娘享用过的东西。
D．袁隆平拍去身上在粉笔灰尘，掖．（yē）着讲义夹．（jiá），匆匆来到校园外的早稻试验田。
采用常规法培育出来的早稻常规品种正在勾头散籽，呈现一派丰收景象。
阅读下面的文字，完成2－3题。
（5分）过去史学家一直认为第二次世界大战比较重要，认为1914年到1918年的一战只是欧洲旧的家庭式的争吵。
于是．．冷战结束以后，已经有越来越多的世界主流历史学家开始意识到其实一战比二战更重要。
一战不仅为未来洗好了牌，为二十年后的二战奠定了基础，也在精神和文化上基本确立．．了延续至今的世界历史文化版图。
【甲】第一次世界大战造成的第一个结果是四个欧洲古老帝国（沙皇俄国、德意志帝国、奥匈帝国、奥斯曼土耳其帝国）的崩溃，整个欧洲文明出现巨大的真空。
【乙】更具灾难性的是“巴黎和会”签署的《凡尔赛和约》虽然结束了战争，却没有产生一种新的精神或文明的尺度。
浙江省2020-2021学年高一下学期3月英语试题分类汇编：应用文写作专题 Word版含答案
应用文写作专题浙江省温州市苍南县金乡卫城中学2020-2021学年高一下学期第一次月考英语试题假定你是李华，你校将举办为期十天的中国文化体验营（Chinese Culture Camp），请你写封邮件邀请你的英国朋友Emily参加该活动。
内容包括：1发出邀请；2.介绍活动安排（时间、地点、内容等）；3.表达期待。
注意：1.词数：80词左右；2.可适当增加细节，以使行文连贯。
【答案】参考范文Dear EmilyI'm writing to invite you to attend the Chinese Culture Camp to be organized in our school.It will last ten days, from February 2nd to 11th. During camping, you'll listen to a series of lectures on Chinese culture, explore the local culture of our city, and even have hands-on experience of the Chinese calligraphy, folk music, paper-cutting, etc.If you want to know more about it, you can visit our school website. I really hope you can participate.Yours,Li Hua 【解析】【分析】本篇书面表达属于应用文，要求考生写封邮件邀请你的英国朋友Emily参加为期十天的中国文化体验营活动。
【详解】第一步：审题体裁：应用文时态：根据提示，时态主要为一般将来时,少量一般现在时。
结构：总分法总分法指把主题句作为总说，把支持句作为分说，并以这种方式安排所写内容。
浙江省慈溪市六校2020┄2021学年高一上学期期中考试英语试题+Word版含答案
本试卷分为第一卷（选择题）和第二卷（非选择题）两部分。
满分150分。
考试时间120分钟。
第一卷选择题部分（共95分）第一部分：听力（共两节，满分30分）第一节（共5小题；每小题1.5分，满分7.5分）听下面5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，并标在试卷的相应位置。
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。
1.Where does the conversation probably take place？A.In a hospitalB. At home.C. In a gym.2.What does the man think of the woman’s sister probably？zy.B. Difficult.C.Careful.3.What are the speakers talking about？A.The weather.B. A football match.C.Their weekend plan.4.What does the woman probably do？A.A saleswoman.B.A waitress.C.A tour guide.5. Why does Alex come to the office？A.He is a friend of the officer.B.He needs some advice on study.C.He is preparing to get a good job.第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项。
听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。
每段对话或独白读两遍。
听下面一段对话，回答第6和第7两个小题。
江苏省2020-2021学年上学期高一英语期中解析版试卷精选汇编：语法填空专题(含解析)
语法填空专题江苏省苏州市2020-2021学年高一英语上学期期中试题第四部分语法填空（共10小题；每小题1.5分，满分15分）阅读下面短文，在空白处填入适当的词，如有括号提示，请以提示词的正确形式填空。
请将答案的完整形式写在答题卡上相应题号的横线上。
Now, imagine the impact it would have on you to surround yourself with interesting and positive people. When someone has something interesting ___36___(go) on in his life, he wakes up in the morning ___37___energy and enthusiasm(热情).These are the kind of people ___38___ are going to fill you up with great attitudes and behavior.Anyone who is following their dreams has taken a risk himself and is confident that things will work out for him. These people are hopeful about their futures and are willing to do ___39___ is necessary to get things done. That's the exact kind of attitude and behavior you need to be exposed to on a regular ___40___(base).As you watch how they push themselves and do interesting things, you ___41___(inspire) to do similar things. You'll start to wonder and imagine all the things you can do with your own life. Moreover, interesting people tend to fill their heads with new ideas and ways of seeing the world. As they expose ___42___( they) to new books and ideas, they will share them with you.As you can see, social norms(规范)formed by groups have a ___43___(power) influence over the type of person you become. ___44___(fortunate), it doesn't always have to be a bad thing. If you make sure to surround yourself with positive and interesting people, there is no telling how greatly_______45_______influence will shape your life.【答案】36. going37. with 38. who/that39. what/whatever40. basis 41. will be inspired /are inspired42. themselves43. powerful44. Fortunately【解析】这是一篇夹叙夹议的文章。
浙江省“七彩阳光”新高考研究联盟2020-2021学年高一上学期期中联考英语试题(含答案)
2020学年第一学期浙江“七彩阳光’’新高考研究联盟期中联考高一年级英语学科试题第二部分阅读理解（共两节，满分35分）第一节（共10个小题：每小題2.5分，满分25分）AMy dear friend has invited me to speak at a women's meeting she was holding in Honduras. The night before I was to leave, I decided a warm bath would help me sleep. I turned on the hot water handle on the tub (浴缸) and waited. I complained, “Let me have some warm water!” took forever for the hot water to work its way through the pipes to the back of the house. Needless to say, the bath wasn't relaxing.The next afternoon, I arrived in Honduras. After the meeting, my friend took me to meet some of her family members. They lived in a stick-and-mud house and slept on dirt floors. The women cooked outside on the stove. Still, even in these terrible conditions, everyone I met had a smile on his or her face. They were so generous and almost always suggested we stay for coffee.On our way to one home we passed a pond which was black and dirty. One woman pushed the cover back with a stick while the other put the water into a bucket. I prayed, “Please don’t let them offer coffee.”After we were invited in, a little girl ran inside. She held a mango in each hand. The one in her left hand was half eaten. This little beauty held out her right hand and offered me the other mango, which I gladly accepted. Her eyes danced. I remember thinking, “She has no idea that she is poor.”When it was time to leave, we walked outside and I noticed a muddy stream that ran beside their home. My friend said, “That is where they bathe. It is als o where the animals drink and they push out waste.”The evening I returned home I went into my perfect bathroom and twisted the hot water handle. While bathing, I thought of this simple pleasure. Clean water wasn't my right; it was luck.21. How did the author feel after the bath according to Paragraph 2?A. Nervous.B. Relaxed.C. Disappointed.D. Annoyed.22. By referring to the little girl, the author seems to __________.A. be angry at the unfair treatment of local childrenB. appreciate the good education of local childrenC. recommend the local mangoes to readersD. show pity for the lovely but poor girl23. What did the author learn from her experience in Honduras?A. Honduras is a country short of water.B. People should value the simple pleasures in life.C. It is everybody's right to live a comfortable life.D. Offering guests coffee is a custom in Honduras.BKing's Point (Canada) (AFP) —At dusk, tourists arc amazed at the breakdown of an iceberg at the end of its long journey from Greenland to Canada's cast coast, which now has a front row scat to the melting (触化）of the Arctic’s ice.While the rest of the world nervously eyes the effect of global warming, melting icebergs have breathed new life into the far coastal villages of Newfoundland and Labrador.Once a center of cod (鳕鱼) fishing, the province now plays host to large groups of photographers and tourists hoping to see the breathtaking ice melt. As winter ends, iceberg finding begins. The increase in tourism around here in the past 10 to 15 years has been unbelievable. Last year, a total of 500,000 tourists visited Newfoundland and Labrador, a number almost as large as the province's total population. Those visitors spent nearly $433 million, government numbers show. The tourism boom has helped solve the decrease in the regions traditional fishing industry, which is in crisis (危机) because of overfishing at the end of the last century.But under the shiny surface of economic success is the dark truth that the area is in part profiting from global warming. The Arctic is warming three limes faster than the rest of the world. In mid-July, record temperatures were recorded near the North Pole. In recent years, the icebergs have traveled further and further south. For now, tourists arc enjoying the view and the experience while they can.Laurent Lucazcau, a 34-year-old French tourist, said seeing an iceberg was upsetting. “It is a picture of global warming to see icebergs making it to these places where the water is warm,” he told AFP. “There’s something mysterious and impressive about it, but knowing too that they are not supposed to be here makes you wonder, and it’s a little scary.”24. What can we learn about the tourism in Newfoundland and Labrador?A. It benefits local economy.B. It bothers local people.C. It prevents global warming.D. It hurts the fishing industry.25. Which of the following statements is TRUE according to the passage?A. The total number of tourists is the same as the province's total population.B. The shiny economic success is more important than global warming.C. All of the tourists are enjoying the view along Canada's cast coast.D. In mid-July, the Arctic is much warmer than ever before.26. What can be inferred from Laurent Lucazcau's words?A. Summer is coming to an end in King's Point.B. New icebergs will form along the Canadian coast.C. Visitors don't know why icebergs come down south.D. The view is a sign of serious environmental problems.CSetting goals is common in our life. We look ahead, predict what may make us happy in the future, and then narrow down the things to something specific. For the most part, having goals is better than not having any, but there are also problems that come with spending an entire life living from goal to goal.For one thing, we try to predict an unpredictable future. Who is to say that what you want next year is the same thing you want right now? What if what you want right now isn't in the right direction over the long term?Secondly, and just as importantly, you only confine your expectations of happiness and satisfaction to the goal you have set so that you often forget that other things in your life can also add just as much joy to your experience. This creates a strange problem. To solve this problem, we have to move towards something more unclear. Going after interestingness. I think, is what we should do.Interestingness doesn’t mean looking for pleasure only. It’s deeper than that. It's doing that random (随机的) project you had no plan to do because you have a feeling that you might just learn something you didn't know about yourself. It's seeing a person you just met not as a possible partner or someone who can do something for you but simply as someone who may open a new, unknown and unique world for you.Goals incorrectly assume (假设) that we already know what we want. Interestingness is more modest. It makes up its mind as it moves, slowly blowing from one thing to another, until it catches something that lies beyond prediction at last.27. Setting goals is to predict an unpredictable future because __________.A. it ignores possible changes in our lifeB. it proves meaningless in the long runC. it may lead us to the opposite directionD. it fails to reach our true possibilities28. What docs the underlined word “Confine” probably mean in the third paragraph?A. Devote.B. Limit.C. Deliver.D. Compare.29. What's the benefit of going after interestingness?A. Bringing us self-satisfaction at once.B. Improving our relationship with others.C. Making us gain something unexpected.D. Helping us successfully predict the future.30. What's the purpose of the text?A. To ease our worry about the future.B. To express a new thought on setting goals.C. To point out disadvantages of an aimless life.D. To recommend a new way of achieving success.第二节(共5个小题，每小题2分，满分10分)根据短文内容，.从短文后的选项中选出能填入空白处的最佳选项。
浙江省2020-2021学年高一下学期3月英语试题分类汇编：完形填空专题 Word版含答案
完形填空专题浙江省温州市苍南县金乡卫城中学2020-2021学年高一下学期第一次月考英语试题第一节（共20 个小题；每小题1 分，满分20 分）阅读下面短文，从短文后各题所给的四个选项（A、B、C 和D）中，选出可以填入空白处的最佳选项。
I was raised in a house where my sisters and I weren’t trusted by our mother to manage our own appearance. As a result, many _____36___were made, and fashion trends were always ignored.A few years ago, I was home for a visit_____37___my mom, now in her 70s, called me into her bedroom. “I don’t know what to wear,” she complained. “You girls always look so___38___.”I___39__in the do orway, wondering if I’d misheard. “What do you mean?” I asked her. “You know what to wear.” “No,” she answered. “Can you___40__something for me?”I was so ____41___ . This was the same woman who told my sister she wasn’t ___42____ to wear a pair of ripped (有破洞的) jeans; the same woman who, in high school,___43___ me while I was out at a party to ask if my hair was __44___ . “You look better with it down,” she told me, before I could answer.I suddenly___45___ that my mother—always so strong—not only wanted my ____46____ , but needed it. I opened her drawer and____47___ a pair of blue jeans and a light blue sweater.“Wear these, and you’ll look good, too.” I____48___.My mother certainly doesn’t need anyone to take care of her. In fact, she still___49___ my grandmother who lives with her. But with that ___50__, my mother and I exchanged the__51__ , from caregiver to receiver.Now, if we’re together, it’s ___52__ for her to wear anything without checking with me first. I’m still a bit surprised that she adm itted her ___53___. Sometimes, ___54___, it seems like she asks me just to disagree with my answer. And I just tell her what I think of the way she ___55___.36. A. rules B. records C. discoveries D. introductions37. A. because B. though C. when D. after38. A. glad B. curious C. funny D. good39. A. hid B. stopped C. lay D. waited40. A. design B. bring C. pick D. leave41. A. anxious B. surprised C. annoyed D. upset42. A. asked B. invited C. allowed D. reminded43. A. hugged B. punished C. recognized D. called44. A. clean B. dirty C. straight D. up45. A. realized B. regretted C. remembered D. worried46. A. award B. explanation C. progress D. opinion47. A. packed B. pulled C. examined D. admired48. A. argued B. promised C. begged D. admitted49. A. depends on B. quarrels with C. looks after D. turns to50. A. question B. goal C. wish D. order51. A. seats B. decisions C. roles D. ideas52. A. suitable B. rare C. rude D. simple53. A. uncertainty B. responsibility C. carelessness D. dishonesty54. A. however B. therefore C. instead D. besides55 A. talks B. lives C. acts D. looks完形填空36. A 37. C 38. D 39. B 40. C 41. B 42. C 43. D 44. D 45. A 46. D 47. B 48. B 49. C 50. A 51. C 52. B 53. A 54. A 55. D浙江省杭州市富阳区场口中学2020-2021学年高一3月教学质量检测英语试题第一节完形填空（满分30分）In the midst of the deadly wildfires that spread across California this summer, a(n) __36__ friendship was developed between a cat and a chicken who stayed together to survive the fire.The Grass Valley firefighters __37__ the pair on their second day of cleaning up during the Carr Fire in a __38__ in the Redding area, California.“The __39__ had survived the deadly fire finding __40__ in each other in the doorway of a home，” Grass Valley Fire C hief Mark Buttron said. Buttron shared a heartwarming __41__ of the pair staying together. The photo shows the cat was on the floor next to a water bowl and the chicken on the other side of the plate.The cat and chicken were both __42__ and needed treatment for their injuries. Firefighters__43__ found water and called the Society for the Prevention of Cruelty to Animals. The animals__44__ one animal carrier so they could __45__ together until being taken to receive medical treatment.Niko Kuyper, the owner of the chicken, didn't __46__ what had happened until a neighbor saw his animal on the news and __47__ him. Kuyper recognized the chicken and he was even more__48__ to see his chicken was __49__ Whiskers, another neighbor's cat.Though Whiskers has to visit the __50__ every day to get her bandages (绷带) changed, she has been reunited with her family. Kuyper took the chicken to his parent's house where it is being __51__ to new hens. Both animals are __52___ to recover from their injuries.The animals' friendship provided __53__ to those affected by the wildfires.“Everyone in our neighborhood __54__ their homes，” Kuyper said. “It's __55__ to see something positive like this shining through.”36．A.formal B．useful C．unusual D．important37．A.visited B．discovered C．remembered D．drove38．A.neighborhood B．school C．street D．forest39．A.firefighters B．owners C．animals D．families40．A.promises B．excuses C．advice D．comfort41．A.story B．picture C．experience D．journey42．A.cut B．stopped C．burned D．moved43．A.suddenly B．quickly C．carefully D．surely44．A.called B．shared C．followed D．kept45．A.wait B．arrive C．hide D．work46．A.know B．accept C．believe D．wonder47．A.warned B．suggested C．told D．supported48．A.satisfied B．interested C．relaxed D．surprised49．A.depending on B．staying with C．cheering for D．looking for50．A.house B．station C．farm D．hospital51．A.rushed B．introduced C．explained D．changed52．A.expected B．allowed C．required D．forced53．A.success B．difference C．fun D．hope54．A.built B．repaired C．lost D．missed55．A.nice B．easy C．common D．hardⅥ.完形填空In the midst of the deadly wildfires that spread across California this summer, a(n) __36__ friendship was developed between a cat and a chicken who stayed together to survive the fire.The Grass Valley firefighters __37__ the pair on their second day of cleaning up during the Carr Fire in a __38__ in the Redding area, California.“The __39__ had survived the deadly fire finding __40__ in each other in the doorway of a home，” Grass Valley Fi re Chief Mark Buttron said. Buttron shared a heartwarming __41__ of the pair staying together. The photo shows the cat was on the floor next to a water bowl and the chicken on the other side of the plate.The cat and chicken were both __42__ and needed treatment for their injuries. Firefighters__43__ found water and called the Society for the Prevention of Cruelty to Animals. The animals__44__ one animal carrier so they could __45__ together until being taken to receive medical treatment.Niko Kuyper, the owner of the chicken, didn't __46__ what had happened until a neighbor saw his animal on the news and __47__ him. Kuyper recognized the chicken and he was even more__48__ to see his chicken was __49__ Whiskers, another neighbor's cat.Though Whiskers has to visit the __50__ every day to get her bandages (绷带) changed, she has been reunited with her family. Kuyper took the chicken to his parent's house where it is being __51__ to new hens. Both animals are __52___ to recover from their injuries.The animals' friendship provided __53__ to those affected by the wildfires.“Everyone in our neighborhood __54__ their homes，” Kuyper said. “It's __55__ to see something positive like this shining through.”语篇解读：本文是一篇记叙文。
浙江省2020-2021学年高一上学期最新期中英语试卷精选汇编：语法填空专题
语法填空专题浙江省杭州地区（含周边）重点中学2020-2021学年高一上学期期中考试英语试题第二节：（共10小题；每小题1分，共10分）阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
Many scientists believe our love of sugar may 56 (actual) be an addiction. When we eat or drink sugary foods, the sugar enters our blood and affects parts of our brain 57 make us feel good. Then the good feeling goes away, 58 (leave) us wanting more. All tasty foods do this, but sugar has a particularly strong effect. In this way, 59 is in fact an addictive drug, one that doctors recommend we all cut down on.“It seems like every time I study 60 illness and trace a path to the first cause, I find my way back to sugar,” says scientist Richard Johnson. One-third of adults worldwide have high blood pressure, and up61 347 million have diabetes(糖尿病). Why? “Sugar, we believe, is one of the 62 (reason), if not the major one,” says Johnson.Our bodies 63 (design) to survive on very little sugar. Early humans often had very little food. In this way, we had energy stored for when there was no food. 64 today, most people have more than enough. So the very thing that once 65 (save) us may now be killing us.第二节：语法填空56. actually 这里需要副词57. that/which 考察定语从句that/which make us feel good修饰先行词parts58. leaving 动词+ing形式表达结果59. it 根据意思需要，it指代sugar60. an 考察冠词61. to 考察介词。
2020-2021学年浙江省嘉兴市高一下学期期末检测英语试题 Word版含答案
However, in 1986, the IWC voted（投票）for a ban on whaling. The biggest concern was the huge fall in whale populations across the planet. Indeed many people say the ban came too late and that commercial whaling has already driven many species close to extinction. According to Greenpeace, blue whales are less than1%of their original number in the Antarctic while Sei Whales and Fin Whales are also listed as “endangered species**.
浙江省2020-2021学年高一下学期3月英语试题分类汇编：七选五专题 Word版含答案
七选五专题浙江省温州市苍南县金乡卫城中学2020-2021学年高一下学期第一次月考英语试题根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。
选项中有两项为多余选项。
The wrong donations end up costing charities precious dollars just to store leftovers (积压物资), which is why clothing may not be the best use of your donation efforts.____31____Think of the children. Children’s needs are important during disasters. As families influenced by a disaster try to protect their children from the effects, they try to provide children with toys, snacks, juices, candies, and other comfort items, particularly in post-disaster environments.___32___ Shelters will accept these donations and give them out properly.Donate your skills to your community. If you are trained in disaster response, you can contact your local emergency services and the Red Cross to see if they need volunteers. Let them know your abilities. ____33____ Do not go as an individual volunteer to a disaster area expecting to find ways to help.___34___ Time and comfort are the two most important things you can give for free. Spend time listening to the victims (受灾群众) with an understanding ear. You can bring books and read to the children.Become a volunteer now for the future. Besides donating money, volunteering is the best way to give. _____35_____ The Red Cross and charity organizations prefer a trained group of volunteers who can jump into action. They don’t have the resources to train during the disasters.A. Donate to an organization you can trust.B. These items are expensive to transport to shelters.C. Spend time caring for families and individuals at shelters.D. Then, they will follow up if they are in need of volunteers.E. However, you have to begin this process long before any disaster hits.F. Turn your dollars into toys and entertainment choices for kids of all ages.G. Here are some tips you can follow to help people in need in the most wise ways.GFDCE浙江省杭州市富阳区场口中学2020-2021学年高一3月教学质量检测英语试题Ⅱ.阅读七选五Every day can be a fresh, new beginning — this is very important if you had a difficult day before. By starting with a positive attitude, you can face the challenges of the day in a good state of mind. __31__ Exercise. Exercising is one of the best methods to start your day for your mind as well as the body.__32__ In addition, it also reduces stress and improves your metabolism (新陈代谢). So go for a walk, go for a bike ride, or go to the gym in the morning.Organize yourself. __33__ Make a to-do list and make an effort to follow it. It will keep you organized and make your day easier. However, make sure that your to-do list is manageable. There are only so many things you can do in a day.Smile. Starting your day by acting the way you want to feel can help you be more positive. __34__ The easiest thing to do is smile. Just smile because you are alive and you can. Watch or listen to something humorous so you can laugh. It makes you feel positive and really good about yourself and the world that surrounds you.Keep important items in the same place. To make mornings less busy, start a habit — keeping your important items in one easily accessible place. __35__ This way, you are never looking for that lost item when you are running behind.A．Write down the tasks for the day.B．Try other actions to get yourself to feel happier.C．Try some of the following tips to start your day right.D．Put your keys, wallet, purse, and other important items there.E．Instead of rushing through the morning, go slow and take your time.F．It increases brain function, which can help you get a jump-start on the day.G．If you feel annoyed or tired, do something physical to make yourself feel happy.语篇解读：本文是一篇说明文。
上海市闵行区六校联考2024-2025学年高一上学期10月期中英语试题
上海市闵行区六校联考2024-2025学年高一上学期10月期中英语试题一、听力选择题1．A．$30.B．$27.C．$20.D．$10.2．A．He may feel better soon.B．He doesn’t like to take pills.C．He may not be able to wake up on time.D．He may want to take the pills without food. 3．A．Post her the paper after the deadline.B．Hand in a handwritten draft of the paper.C．Attend a conference with her two weeks later.D．Complete the course without handing in the paper.4．A．Lose some weight.B．Shop for new clothes.C．Have his jeans altered.D．Wear clothes that fit better.5．A．Sharpen the man’s pencil.B．Ask the model to move his arm.C．Give the man a new sheet of paper.D．Show the man a drawing technique.6．A．Disappointed.B．Curious.C．Satisfied.D．Casual.7．A．He’d like some help at the baggage counter.B．He doesn’t know the woman ahead of him.C．He was permitted to carry one extra bag.D．He is carrying someone else’s suitcase.8．A．Some of her colleagues may not take part in the program.B．A few of them are allowed to participate in the training.C．All her colleagues have agreed to go for the program.D．Employees are all required to receive the training.9．A．She would rather take a direct train.B．It doesn’t take long to get to Chongqing.C．She doesn’t care how long the trip takes.D．Taking an airplane might be more practical.10．A．If he has more than a dollar.B．If he makes a phone call first.C．If he finds the change machine.D．If he buys something from her.听下面一段独白，回答以下小题。
江苏省部分名校2020-2021学年高一上学期期中英语试题精选汇编：语法填空专题(含解析)
江江江江江江江2020-2021江江江江江江江江江江江江江江江江江江江江江江江苏省板浦高级中学2020-2021学年高一上学期期中考试英语试题第四部分: 语法填空(共10小题；每小题1.5分，满分15分)阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
I’m here today to share a good lesson with you. It is a true story about a student ____36____studied in Germany.After years of hard work, this student graduated with ____37____ (amaze) achievements. Everyone was sure that he was going to get a good job easily and have a bright future. But to his surprise, he was not even given the chance for ____38____interview! The third time he ____39____ (refuse), he couldn’t help ____40____ (telephone) the company to ask why they didn’t want him. The answer was simple. “We don’t offer jobs to dishonest people in Germany.”You might wonder what was wrong. The truth is, shortly after he ____41____ (arrive) in Germany, this clever student found that ____42____was easy to avoid buying subway tickets in this country. So in order to save money, he often went in the subway without a ticket. As a result, he had been caught without a ticket many ____43____ (time).From this story, we learn that we may get short-term benefits in dishonest ways, ____44____the truth will come out sooner or later and the cost is high. So remember: _____45_____ (honest) is the best behavior.【答案】36. who/that37. amazing38. an39. was refused40. telephoning41. arrived42. it43. times44. but45. honesty【解析】【分析】本文是一篇记叙文，通过一个德国留学生逃票的故事告诉我们诚实才是王道。
嘉兴市2020-2021学年高一上学期期末检测 英语试题(含答案)
嘉兴市2020-2021学年高一上学期期末检测英语试题第一部分：听力（共两节，满分30分）做题时，先将答案标在试卷上。
录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题纸上。
第一节（共5小题；每小题1.5分，满分7.5分）听下面5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，并标在试卷的相应位置。
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。
A. In a flower shop.B.In a garden.C. At the woman's home.1.Where are the speakers?A. Go swimming.B. Play video games.C. Do homework.2.What will the speakers do together?A. Teacher and student.B. Teacher and parent.C. Classmates.3.What is the relationship between the speakers?A. $300.B. $260.C. $120.4.How much should the man pay for the tickets?A.They were fresh.B.She likes apples.C.They were cheap.5.Why did the woman buy so many apples?第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。
听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题给出5秒钟的作答时间。
每段对话或独白读两遍。
听第6段材料，回答第6、7题。
2020-2021学年度高一上学期期中考试英语试卷及答案(含三套题)
2020-2021学年度高一上学期期中考试英语试卷及答案考试时间：120分钟试卷满分：150分第一部分听力（共两节，每小题1.5分，满分30分）该部分分为第一、第二两节。
注意：回答听力部分时，请先将答案标在试卷上。
听力部分结束前，你将有两分钟的时间将你的答案转涂到客观题答题卡上。
第一节（共5小题）听下面5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，并标在试卷的相应位置。
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。
1. How will the woman go home?A. By car.B. By bus.C. By bike.2. In what case is the park free?A. For a single person.B. For exercise.C. Before 7 o’clock.3. What will the man do today?A. See a movie.B. Go shopping.C. Look after his grandma.4. What time will the library be open on Saturdays?A. 8:00 a.m. to 9:00 p.m.B. 9:00 a.m. to 5:00 p.m.C. Closed.5. Where does the man live now?A. In England.B. In America.C. In India.第二节（共15小题）听下面5段对话。
每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。
听每段对话前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。
每段对话读两遍。
听第6段材料,回答第6、7题。
6. What are the speakers mainly talking about?A. School life.B. Different cultures.C. Their teachers.7. Which subject does the woman dislike?A. History.B. English.C. Math.听第7段材料,回答第8、9题。
人教版2020--2021学年上学期高一英语期中测试卷及答案(含两套题)
人教版2020--2021学年上学期高一英语期中测试卷及答案考试时间：120分钟试卷满分：150分第一部分听力(共两节，满分30分)第一节(共5小题；每小题1.5分，满分7.5分)1. Why hasn’t the woman finished her homework?A. Her hands are injured.B. She has a low fever.C. It is too cold.2. What does the man do?A. He is a taxi driver.B. He is an airport clerk.C. He is a computer operator.3. When does the woman’s boat leave?A. At 10:35.B. At 11:35.C. At 12:35.4. What does the woman want the manA. To get a haircut.B. To do some shopping.C. To attend a party.5. How does the man know the advertisement?A. By calling the manager.B. By visiting the hotel.C. By reading today’s newspaper.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 are the two speakers mainly talking about?A. When to eat food.B. How to lose weight.C. How to cook food.7. Why did the man’s friend fall ill?A. Because he was overweight.B. Because he did little exercise.C. Because he ate a little food.听第7段材料，回答第8、9题。
浙江省台州市2023-2024学年高一上学期期中数学试题含解析
2023年学年第一学期期中考试试卷高一数学（答案在最后）总分：150分考试时间：120分钟一、单项选择题：本题共8小题，每小题5分，共40分.在每小题给出的四个选项中，只有一项符合题目要求.1.已知全集U =R ，集合{}1,0,1,2A =-，{}|210B x x =->，则()A B ⋂R ð等于（）A.{}1,0- B.{}1,2C.{}1,0,1- D.{}0,1,2【答案】A 【解析】【分析】先求B R ð，然后由交集运算可得.【详解】因为{}1|210|2B x x x x ⎧⎫=->=>⎨⎬⎩⎭，所以1|2B x x ⎧⎫=≤⎨⎬⎩⎭R ð，所以(){}1,0A B ⋂=-R ð.故选：A2.命题“2000,10x x x ∃∈++<R ”的否定为（）A.2000,10x x x ∃∈++≥R B.2000,10x x x ∃∈++>R C.2,10x x x ∀∈++≥R D.2,10x x x ∀∈++>R 【答案】C 【解析】【分析】在写命题的否定中要把存在变任意，任意变存在.【详解】因为特称命题的否定为全称命题，所以2000,10x x x ∃∈++<R 的否定即为2,10x x x ∀∈++≥R .故选：C.3.设x ∈R ，则“220x x -<”是“12x -<”的（）A.充分不必要条件B.必要不充分条件C.充要条件D.既不充分也不必要条件【答案】A 【解析】【分析】解不等式，再判断不等式解集的包含关系即可.【详解】由220x x -<得()0,2x ∈，由12x -<得()1,3x ∈-，故“220x x -<”是“12x -<”的充分不必要条件.故选：A.4.已知关于x 的不等式20ax bx c ++>的解集为{|2x x <-或}3x >，则下列说法错误的是（）A.0a >B.不等式0bx c +>的解集是{}6x x <C.0a b c ++< D.不等式20cx bx a -+<的解集是1|3x x ⎧<-⎨⎩或12x ⎫>⎬⎭【答案】B 【解析】【分析】先求得,,a b c 的关系式，然后对选项进行分析，所以确定正确答案.【详解】由于关于x 的不等式20ax bx c ++>的解集为{|2x x <-或}3x >，所以0a >（A 选项正确），且2323b ac a ⎧-+=-⎪⎪⎨⎪-⨯=⎪⎩，整理得,6b a c a =-=-，由0bx c +>得60,6ax a x --><-，所以不等式0bx c +>的解集是{}6x x <-，所以B 选项错误.660a b c a a a a ++=--=-<，所以C 选项正确.()()22260,6121310cx bx a ax ax a x x x x -+=-++<--=-+<，解得13x <-或12x >，所以D 选项正确.故选：B5.已知函数()y f x =的定义域为{}|06x x ≤≤，则函数()()22f xg x x =-的定义域为（）A.{|02x x ≤<或}23x <≤B.{|02x x ≤<或}26x <≤C.{|02x x ≤<或}212x <≤ D.{}|2x x ≠【答案】A 【解析】【分析】由已知列出不等式组，求解即可得出答案.【详解】由已知可得，02620x x ≤≤⎧⎨-≠⎩，解得，02x ≤<或23x <≤.故选：A ．6.已知函数5(2),22(),2a x x f x a x x⎧-+≤⎪⎪=⎨⎪>⎪⎩是R 上的减函数，则实数a 的取值范围是（）A.()0,2 B.()1,2 C.[)1,2 D.(]0,1【答案】C 【解析】【分析】由题可得函数在2x ≤及2x >时，单调递减，且52(2)22aa -+≥，进而即得.【详解】由题意可知：ay x=在()2,+∞上单调递减，即0a >；5(2)2y a x =-+在(],2-∞上也单调递减，即20a -<；又()f x 是R 上的减函数，则52(2)22aa -+≥，∴02052(2)22a a a a ⎧⎪>⎪-<⎨⎪⎪-+≥⎩，解得12a ≤<．故选：C ．7.已知函数()y f x =的定义域为R ，()f x 为偶函数，且对任意12,(,0]x x ∈-∞都有2121()()0f x f x x x ->-，若(6)1f =，则不等式2()1f x x ->的解为（）A.()(),23,-∞-⋃+∞ B.()2,3- C.()0,1 D.()()2,01,3-⋃【答案】B 【解析】【分析】由2121()()0f x f x x x ->-知，在(,0]-∞上单调递增，结合偶函数，知其在在[0,)+∞上单调递减即可解.【详解】对120x x ∀<≤，满足()()21210f x f x x x ->-，等价于函数()f x 在(,0]-∞上单调递增，又因为函数()f x 关于直线0x =对称，所以函数()f x 在[0,)+∞上单调递减.则()21f x x ->可化为26x x -<，解得23x -<<.故选：B.8.函数()f x x =，()22g x x x =-+.若存在129,,,0,2n x x x ⎡⎤⋅⋅⋅∈⎢⎥⎣⎦，使得()()()()121n n f x f x f x g x -++⋅⋅⋅++()()()()121n n g x g x g x f x -=++++ ，则n 的最大值是（）A.8B.11C.14D.18【答案】C 【解析】【分析】令()222h x x x =-+，原方程可化为存在129,,,0,2n x x x ⎡⎤⋅⋅⋅∈⎢⎥⎣⎦，使得()()()()121n n h x h x h x h x -++⋅⋅⋅+=，算出左侧的取值范围和右侧的取值范围后可得n 的最大值.【详解】因为存在129,,,0,2n x x x ⎡⎤⋅⋅⋅∈⎢⎥⎣⎦，使得()()()()121n n f x f x f x g x -++⋅⋅⋅++()()()()121n n g x g x g x f x -=++++ ，故2221111222222n n n n x x x x x x ---+++-+=-+ .令()222h x x x =-+，90,2x ⎡⎤∈⎢⎥⎣⎦，则()5314h x ≤≤，故()221111531222214n n n x x x x n ---≤-+++-+≤- ，因为()5314n h x ≤≤故5314n -≤，故max 14n =.故选：C.【点睛】本题考查二次函数的最值，注意根据解析式的特征把原方程合理整合，再根据方程有解得到n 满足的条件，本题属于较难题.二、多项选择题：本题共4小题，每小题5分，共20分.在每小题给出的四个选项中，有多个选项符合题目要求.全部选对的得5分，部分选对的得2分，有选错的得0分.9.对实数a ，b ，c ，d ，下列命题中正确的是（）A.若a b <，则22ac bc <B.若a b >，c d <，则a c b d ->-C.若14a ≤≤，21b -≤≤，则06a b ≤-≤D.a b >是22a b >的充要条件【答案】BC 【解析】【分析】利用不等式的性质一一判定即可.【详解】对于A ，若0c =，则22ac bc =，故A 错误；对于B ，c d c d <⇒->-，由不等式的同向可加性可得a c b d ->-，故B 正确；对于C ，2121b b -≤≤⇒≥-≥-，由不等式的同向可加性可得06a b ≤-≤，故C 正确；对于D ，若102a b =>>=-，明显22a b <，a b >不能得出22a b >，充分性不成立，故D 错误.故选：BC10.已知函数()42f x x =-，则（）A.()f x 的定义域为{}±2x x ≠ B.()f x 的图象关于直线=2x 对称C.()()56ff -=- D.()f x 的值域是()(),00,-∞+∞ 【答案】AC 【解析】【分析】根据解析式可得函数的定义域可判断A ，利用特值可判断，直接求函数值可判断C ，根据定义域及不等式的性质求函数的值域可判断D.【详解】由20x -≠，可得2x ≠±，所以()f x 的定义域为{}±2x x ≠，则A 正确；因为()14f =-，()34f =，所以()()13f f ≠，所以()f x 的图象不关于直线=2x 对称，则B 错误；因为()453f -=，所以()()56f f -=-，则C 正确；因为2x ≠±，所以0x ≥，且2x ≠，所以22x -≥-，且20x -≠，当220x -≤-<时，422x ≤--，即()2f x ≤-，当20x ->时，402x >-，即()0f x >，所以()f x 的值域是(](),20,-∞-+∞ ，故D 错误．故选：AC.11.高斯是德国著名的数学家，近代数学奠基之一，享有“数学王子”的称号，他和阿基米德､牛顿并列为七界三大数学家，用其名字命名的“高斯函数”为：设x ∈R ，用[]x 表示不超过x 的最大整数，则[]y x =称为高斯函数，如：[]1.21=，[]1.22-=-，[]y x =又称为取整函数，在现实生活中有着广泛的应用，诸如停车收费，出租车收费等均按“取整函数”进行计费，以下关于“取整函数”的描述，正确的是（）A.x ∀∈R ，[][]22x x =B.x ∀∈R ，[][]122x x x ⎡⎤++=⎢⎥⎣⎦C.x ∀，R y ∈，若[][]x y =，则有1x y ->-D.方程[]231x x =+的解集为【答案】BCD 【解析】【分析】对于A ：取12x =，不成立；对于B ：设[]x x a =-，[0,1)a ∈,讨论10,2a ⎡⎫∈⎪⎢⎣⎭与1,1)2a ⎡∈⎢⎣求解；对于C ：,01x m t t =+≤<，,01y m s s =+≤<，由||x y -=||1t s -<得证；对于D ：先确定0x ≥，将[]231x x =+代入不等式[][]()2221x x x ≤<+得到[]x 的范围，再求得x 值.【详解】对于A ：取12x =，[][][]1211,2220x x ⎡⎤==⎢⎥⎣⎦==，故A 错误；对于B ：设11[],[0,1),[][][]22x x a a x x x x a ⎡⎤⎡⎤=-∈∴++=+++⎢⎥⎢⎥⎣⎦⎣⎦12[]2x a ⎡⎤=++⎢⎥⎣⎦,[2][2[]2]2[][2]x x a x a =+=+，当10,2a ⎡⎫∈⎪⎢⎣⎭时，11,122a ⎡⎫+∈⎪⎢⎣⎭，2[0,1)a ∈，则102a ⎡⎤+=⎢⎥⎣⎦，[2]0a =则1[]2[]2x x x ⎡⎤++=⎢⎣⎦，[2]2[]x x =,故当10,2a ⎡⎫∈⎪⎢⎣⎭时1[]2[]2x x x ⎡⎤++=⎢⎥⎣⎦成立.当1,1)2a ⎡∈⎢⎣时，131,22a ⎡⎫+∈⎪⎢⎣⎭，2[1,,)2a ∈则112a ⎡⎤+=⎢⎥⎣⎦，[2]1a =则1[]2[]1[2]],2[12x x x x x ⎡⎤++=+=+⎢⎣⎦，故当1,1)2a ⎡∈⎢⎣时1[]2[]2x x x ⎡⎤++=⎢⎥⎣⎦成立.综上B 正确.对于C ：设[][]x y m ==，则,01x m t t =+≤<，,01y m s s =+≤<，则|||()x y m t -=+-()|||1m s t s +=-<，因此1x y ->-，故C 正确;对于D ：由[]231x x =+知，2x 一定为整数且[]310x +≥，所以[]13x ≥-，所以[]0x ≥，所以0x ≥，由[][]()2221x x x ≤<+得[][][]()22311x x x ≤+<+，由[][]231x x ≤+解得[]33 3.322x +≤≤≈，只能取[]03x ≤≤，由[][]()2311x x +<+解得[]1x >或[]0x <(舍)，故[]23x ≤≤，所以[]2x =或[]3x =，当[]2x =时x =[]3x =时x =，所以方程[]231x x =+的解集为，故选：BCD.【点睛】高斯函数常见处理策略:(1)高斯函数本质是分段函数,分段讨论是处理此函数的常用方法.(2)由x 求[]x 时直接按高斯函数的定义求即可.由[]x 求x 时因为x 不是一个确定的实数,可设[]x x a =-，[0,1)a ∈处理.(3)求由[]x 构成的方程时先求出[]x 的范围,再求x 的取值范围.(4)求由[]x 与x 混合构成的方程时,可用[][]1x x x ≤<+放缩为只有[]x 构成的不等式求解.12.函数()1f x a x a =+--，()21g x ax x =-+，其中0a >.记{},max ,,m m n m n n m n ≥⎧=⎨<⎩，设()()(){}max ,h x f x g x =，若不等式()12h x ≤恒有解，则实数a 的值可以是（）A.1B.12 C.13 D.14【答案】CD 【解析】【分析】将问题转化为()min 12h x ≥；分别在a ≥和0a <<的情况下，得到()f x 与()g x 的大致图象，由此可得确定()h x 的解析式和单调性，进而确定()min h x ，由()min 12h x ≤可确定a 的取值范围，由此可得结论.【详解】由题意可知：若不等式()12h x ≤恒有解，只需()min 12h x ≥即可.()1,21,x x af x a x x a +≤⎧=⎨+-≥⎩，∴令211ax x x -+=+，解得：0x =或2x a=；令2121ax x a x -+=+-，解得：x =或x =；①当2a a≤，即a ≥时，则()f x 与()g x大致图象如下图所示，()()()(),02,02,g x x h x f x x a g x x a ⎧⎪≤⎪⎪∴=<<⎨⎪⎪≥⎪⎩，()h x ∴在(],0-∞上单调递减，在[)0,∞+上单调递增，()()()min 001h x h g ∴===，不合题意；②当2a a>，即0a <<时，则()f x 与()g x大致图象如下图所示，()()()(),0,0,g x x h x f x x g x x ⎧≤⎪∴=<<⎨⎪≥⎩()h x ∴在(],0-∞，a ⎡⎣上单调递减，[]0,a，)+∞上单调递增；又()()001h g ==，21hg a ==，∴若()min 12h x ≥，则需()min h x h =，即1212a ≤，解得：14a -≤；综上所述：实数a的取值集合10,4M ⎛⎤-= ⎥ ⎝⎦，1M ∉ ，12M ∉，13M ∈，14M ∈，∴AB 错误，CD 正确.故选：CD.【点睛】关键点点睛：本题考查函数不等式能成立问题的求解，解题关键是将问题转化为函数最值的求解问题，通过分类讨论的方式，确定()f x 与()g x 图象的相对位置，从而得到()h x 的单调性，结合单调性来确定最值.三、填空题：本题共4小题，每小题5分，共20分.13.若幂函数()f x 过点()42，，则满足不等式()()21f a f a ->-的实数a 的取值范围是__________．【答案】312⎡⎫⎪⎢⎣⎭，【解析】【分析】利用待定系数法求出幂函数()f x 的解析式，再利用函数定义域和单调性求不等式的解集．【详解】设幂函数()y f x x α==，其图像过点()42，，则42α=，解得12α=；∴()12f x x ==，函数定义域为[)0,∞+，在[)0,∞+上单调递增，不等式()()21f a f a ->-等价于210a a ->-≥，解得312a ≤<；则实数a 的取值范围是31,2⎡⎫⎪⎢⎣⎭.故答案为：31,2⎡⎫⎪⎢⎣⎭14.已知0a >，0b >，且41a b +=，则22ab +的最小值是______．【答案】18【解析】【分析】利用基本不等式“1”的妙用求解最小值.【详解】由题意可得24282221018b a b ab a b a ab +=++=⎛⎫⎛⎫ ⎪⎪⎝⎭⎝++≥⎭，当且仅当13a =，6b =时，等号成立．故答案为：1815.若函数()()22()1,，=-++∈f x x xax b a b R 的图象关于直线2x =对称，则=a b +_______．【答案】7【解析】【分析】由对称性得()(4)f x f x =-，取特殊值(0)(4)(1)(3)f f f f =⎧⎨=⎩求得,a b ，再检验满足()(4)f x f x =-即可得，【详解】由题意(2)(2)f x f x +=-，即()(4)f x f x =-，所以(0)(4)(1)(3)f f f f =⎧⎨=⎩，即15(164)08(93)b a b a b =-++⎧⎨=-++⎩，解得815a b =-⎧⎨=⎩，此时22432()(1)(815)814815f x x x x x x x x =--+=-+--+，432(4)(4)8(4)14(4)8(4)15f x x x x x -=--+-----+432232(1696256256)8(644812)14(168)32815x x x x x x x x x x =--+-++-+---+-++432814815x x x x =-+--+()f x =，满足题意．所以8,15a b =-=，7a b +=．故答案为：7．16.设函数()24,()2,ax x a f x x x a-+<⎧⎪=⎨-≥⎪⎩存在最小值，则a 的取值范围是________.【答案】[0,2]【解析】【分析】根据题意分a<0，0a =，02a <≤和2a >四种情况结合二次函数的性质讨论即可》【详解】①当a<0时，0a ->，故函数()f x 在(),a -∞上单调递增，因此()f x 不存在最小值；②当0a =时，()24,0()2,0x f x x x <⎧⎪=⎨-≥⎪⎩，当0x ≥时，min ()(2)04f x f ==<，故函数()f x 存在最小值；③当02a <≤时，0a -<，故函数()f x 在(),a -∞上单调递减，当x a <时，2()()4f x f a a >=-+；当x a ≥时，2()(2)(2)0f x x f =-≥=.若240a -+<，则()f x 不存在最小值，故240a -+≥，解得22a -≤≤.此时02a <≤满足题设；④当2a >时，0a -<，故函数()f x 在(),a -∞上单调递减，当x a <时，2()()4f x f a a >=-+；当x a ≥时，22()(2)()(2)f x x f a a =-≥=-.因为222(2)(4)242(2)0a a a a a a ---+=-=->，所以22(2)4a a ->-+，因此()f x 不存在最小值.综上，a 的取值范围是02a ≤≤.故答案为：[0,2]【点睛】关键点点睛：此题考查含参数的分段函数求最值，考查二次函数的性质，解题的关键是结合二次函数的性质求函数的最小值，考查分类讨论思想，属于较难题.四、解答题：本题共5小题，共70分.解答应写出文字说明、证明过程或演算步骤.17.已知集合{|13}A x x =<<，集合{|21}B x m x m =<<-．（1）若A B ⋂=∅，求实数m 的取值范围；（2）命题p ：x A ∈，命题q ：x B ∈，若p 是q 的充分条件，求实数m 的取值范围．【答案】（1）[)0,∞+（2）(],2-∞-【解析】【分析】（1）根据B 是否为空集进行分类讨论，由此列不等式来求得m 的取值范围.（2）根据p 是q 的充分条件列不等式，由此求得m 的取值范围.【小问1详解】由于A B ⋂=∅，①当B =∅时，21m m ³-，解得13m ≥，②当B ≠∅时，2111m m m <-⎧⎨-≤⎩或2123m mm <-⎧⎨≥⎩，解得103m ≤<．综上所述，实数m 的取值范围为[)0,∞+．【小问2详解】命题:p x A ∈，命题:q x B ∈，若p 是q 的充分条件，故A B ⊆，所以2113m m ≤⎧⎨-≥⎩，解得2m ≤-；所以实数m 的取值范围为(],2-∞-．18.2018年8月31日，全国人大会议通过了个人所得税法的修订办法，将每年个税免征额由42000元提高到60000元.2019年1月1日起实施新年征收个税.个人所得税税率表（2019年1月1日起执行）级数全年应纳税所得额所在区间（对应免征额为60000）税率（%）速算扣除数1[]0,36000302(]36000,1440001025203(]144000,30000020X 4(]300000,42000025319205(]420000,66000030529206(]660000,96000035859207()960000,+∞45181920有一种速算个税的办法：个税税额=应纳税所得额×税率－速算扣除数.（1）请计算表中的数X ；（2）假若某人2021年税后所得为200000元时，请按照这一算法计算他的税前全年应纳税所得额.【答案】（1）16920X =（2）153850元.【解析】【分析】（1）根据公式“个税税额=应纳税所得额×税率－速算扣除数”计算，其中个税税额按正常计税方法计算；（2）先判断他的全年应纳税所参照的级数，是级数2还是级数3，然后再根据计税公式求解.【小问1详解】按照表格，假设个人全年应纳税所得额为x 元(144000300000x ≤≤)，可得：()()20%14400020%1440003600010%360003%x X x -=-⨯+-⨯+⨯，16920X =.【小问2详解】按照表格，级数3，()30000030000020%16920256920-⨯-=；按照级数2，()14400014400010%2520132120-⨯-=；显然1321206000019212020000031692025692060000+=<<=+，所以应该参照“级数3”计算.假设他的全年应纳税所得额为t 元，所以此时()20%1692020000060000t t -⨯-=-，解得153850t =，即他的税前全年应纳税所得额为153850元.19.已知定义在R 上的函数()f x 满足()()()2f x y f x f y +=++，且当0x >时，()2f x >-.（1）求()0f 的值，并证明()2f x +为奇函数；（2）求证()f x 在R 上是增函数；（3）若()12f =，解关于x 的不等式()()2128f x x f x ++->.【答案】（1）(0)2f =-,证明见解析（2）证明见解析（3）{1x x <-或}2x >【解析】【分析】（1）赋值法；（2）结合增函数的定义，构造[]1122()()f x f x x x =-+即可；（3）运用题干的等式，求出(3)10f =，结合（2）的单调性即可.【小问1详解】令0x y ==，得(0)2f =-.()2()2(0)20f x f x f ++-+=+=，所以函数()2f x +为奇函数；【小问2详解】证明：在R 上任取12x x >，则120x x ->，所以12()2f x x ->-.又[]11221222()()()()2()f x f x x x f x x f x f x =-+=-++>，所以函数()f x 在R 上是增函数.【小问3详解】由(1)2f =，得(2)(11)(1)(1)26f f f f =+=++=，(3)(12)(1)(2)210f f f f =+=++=.由2()(12)8f x x f x ++->得2(1)(3)f x x f -+>.因为函数()f x 在R 上是增函数，所以213x x -+>，解得1x <-或2x >.故原不等式的解集为{1x x <-或}2x >.20.已知函数()2,R f x x x k x k =-+∈.（1）讨论函数()f x 的奇偶性（写出结论，不需要证明）；（2）如果当[]0,2x ∈时，()f x 的最大值是6，求k 的值.【答案】（1）答案见解析（2）1或3【解析】【分析】（1）对k 进行分类讨论，结合函数奇偶性的知识确定正确答案.（2）将()f x 表示为分段函数的形式，对k 进行分类讨论，结合二次函数的性质、函数的单调性求得k 的值.【小问1详解】当0k =时，()f x ＝||2x x x +，则()f x -＝||2x x x --＝()f x -，即()f x 为奇函数，当0k ≠时，(1)f ＝|1|2k -+，(1)|1|2f k -=-+-，(1)(1)|1|2|1|2|1||1|0f f k k k k +-=-+-+-=--+≠，则()f x 不是奇函数，(1)(1)|1|2|1|2|1||1|40f f k k k k --=-++++=-+++≠，则()f x 不是偶函数，∴当0k =时()f x 是奇函数，当0k ≠时，()f x 是非奇非偶函数.【小问2详解】由题设，()f x ()()222,2,x k x x k x k x x k ⎧+-≥⎪=⎨-++<⎪⎩，函数()22y x k x =+-的开口向上，对称轴为2122k kx -=-=-；函数()22y x k x =-++的开口向下，对称轴为2122k k x +=-=+-.1、当1122k k k -<+<，即2k >时，()f x 在(,1)2k-∞+上是增函数，∵122k+>，∴()f x 在[]0,2上是增函数；2、当1122k k k <-<+，即2k <-时，()f x 在1,2k ⎛⎫-+∞ ⎪⎝⎭上是增函数，∵102k-<1，∴()f x 在[]0,2上是增函数；∴2k >或2k <-，在[]0,2x ∈上()f x 的最大值是(2)2|2|46f k =-+=，解得1k =（舍去）或3k =；3、当1122k kk -≤≤+，即22k -≤≤时，()f x 在[]0,2上为增函数，令2246k -+=，解得1k =或3k =（舍去）.综上，k 的值是1或3.【点睛】研究函数的奇偶性的题目，如果要判断函数的奇偶性，可以利用奇偶函数的定义()()f x f x -=或()()f x f x -=-来求解.也可以利用特殊值来判断函数不满足奇偶性的定义.对于含有绝对值的函数的最值的研究，可将函数写为分段函数的形式，再对参数进行分类讨论来求解.21.已知函数()2f x x =-，()()224g x x mx m =-+∈R .（1）若对任意[]11,2x ∈，存在[]24,5x ∈，使得()()12g x f x =，求m 的取值范围；（2）若1m =-，对任意n ∈R ，总存在[]02,2x ∈-，使得不等式()200g x x n k -+≥成立，求实数k 的取值范围.【答案】（1）54m ⎡∈⎢⎣（2）(],4∞-【解析】【分析】（1）将题目条件转化为()1g x 的值域包含于()2f x 的值域，再根据[]11,2x ∈的两端点的函数值()()1,2g g 得到()y g x =对称轴为[]1,2x m =∈，从而得到()()min g x g m =，进而求出m 的取值范围；（2）将不等式()200g x x n k -+≥化简得不等式024x n k ++≥成立，再构造函数()0024h x x n =++，从而得到()0max h x k ≥，再构造函数()(){}0max max ,8n h x n n ϕ==+，求出()min n ϕ即可求解.【小问1详解】设当[]11,2x ∈，()1g x 的值域为D ，当[]24,5x ∈，()2f x 的值域为[]2,3，由题意得[]2,3D ⊆，∴()()211243224443g m g m ⎧≤=-+≤⎪⎨≤=-+≤⎪⎩，得5342m ≤≤，此时()y g x =对称轴为[]1,2x m =∈，故()()[]min 2,3g x g m =∈，即()222243g m m m =-+≤≤得1m ≤≤1m ≤≤-，综上可得54m ⎡∈⎢⎣.【小问2详解】由题意得对任意n ∈R ，总存在[]02,2x ∈-，使得不等式024x n k ++≥成立，令()0024h x x n =++，由题意得()0max h x k ≥，而()()(){}{}0max max 2,2max ,8h x h h n n =-=+，设(){}max ,8n n n ϕ=+，则()min n k ϕ≥，而(){},4max ,88,4n n n n n n n ϕ⎧<-⎪=+=⎨+≥-⎪⎩，易得()()min 44n k ϕϕ=-=≥，故4k ≤.即实数k 的取值范围为(],4∞-.22.已知函数()()01ax g x a x =≠+在区间1,15⎡⎤⎢⎥⎣⎦上的最大值为1．（1）求实数a 的值；（2）若函数()()()()()210x b f x b b g x +=-+>，是否存在正实数b ，对区间1,15⎡⎤⎢⎥⎣⎦上任意三个实数r 、s 、t ，都存在以()()f g r 、()()f g s 、()()f g t 为边长的三角形？若存在，求实数b 的取值范围；若不存在，请说明理由．【答案】（1）2a =（2）存在，15153b <<【解析】【分析】（1）由题意()1a g x a x =-+，1,15x ⎡⎤∈⎢⎥⎣⎦，然后分a<0，0a >两种情况讨论函数()g x 的单调性，即可得出结果；（2）由题意()()0bf x x b x=+>，可证得()f x 在(为减函数，在)+∞为增函数，设()u g x =，1,13u ⎡⎤∈⎢⎥⎣⎦，则()()()()0b f g x f u u b u ==+>，从而把问题转化为：1,13u ⎡⎤∈⎢⎥⎣⎦，()()min max2f u f u >时，求实数b 的取值范围．结合()bf u u u=+的单调性，分109b <≤，1193b <≤，113b <<，1b ≥四种情况讨论即可求得答案.【小问1详解】由题意()11ax a g x a x x ==-++，1,15x ⎡⎤∈⎢⎥⎣⎦①当a<0时，函数()g x 在区间1,15⎡⎤⎢⎥⎣⎦上递减，所以()max 151566a ag x g a ⎛⎫==-== ⎪⎝⎭，得6a =（舍去）．②当0a >时，函数()g x 在区间1,15⎡⎤⎢⎥⎣⎦上递增，所以()()max 1122a ag x g a ==-==，得2a =．综上所述，2a =．【小问2详解】由题意()22211x g x x x ==-++，又115x ≤≤，由（1）知函数()g x 在区间1,15⎡⎤⎢⎥⎣⎦上递增，∴()()115g g x g ⎛⎫≤≤ ⎪⎝⎭，即()113g x ≤≤，所以函数()g x 在区间1,15⎡⎤⎢⎥⎣⎦上的值域为1,13⎡⎤⎢⎥⎣⎦．又因为()()()()()()()()()2211111x b x x b x b x b f x b b b g x x x++++++=-+=-+=-+，∴()()20x b bf x x b x x+==+>，令120x x <<，则()()()12121212121b b b f x f x x x x x x x x x ⎛⎫⎛⎫⎛⎫-=+-+=-- ⎪ ⎪ ⎪⎝⎭⎝⎭⎝⎭，当1x ，(2x ∈时，()121210b x x x x ⎛⎫--> ⎪⎝⎭，所以()()12f x f x >，()f x 为减函数；当1x ，)2x ∈+∞时，()121210b x x x x ⎛⎫--< ⎪⎝⎭，所以()()12f x f x <，()f x 为增函数；∴()f x 在(为减函数，在)+∞为增函数，设()u g x =，由（1）知1,13u ⎡⎤∈⎢⎥⎣⎦，∴()()()()0bf g x f u u b u==+>；所以，在区间1,15⎡⎤⎢⎥⎣⎦上任意三个实数r 、s 、t ，都存在()()f g r 、()()f g s 、()()f g t 为边长的三角形，等价于1,13u ⎡⎤∈⎢⎥⎣⎦，()()min max 2f u f u >．①当109b <≤时，()b f u u u =+在1,13⎡⎤⎢⎥⎣⎦上单调递增，∴()min 133f u b =+，()max 1f u b =+，由()()min max 2f u f u >，得115b >，从而11159b <≤．②当1193b <≤时，()b f u u u =+在13⎡⎢⎣上单调递减，在⎤⎦上单调递增，∴()min f u =，()max 1f u b =+，由()()min max 2f u f u >得77b -<<+1193b <≤．③当113b <<时，()b f u u u =+在13⎡⎢⎣上单调递减，在⎤⎦上单调递增，∴()min f u ==，()max 133f u b =+，由()()min max 2f u f u >得74374399b -+<<，从而113b <<．④当1b ≥时，()b f u u u =+在1,13⎡⎤⎢⎥⎣⎦上单调递减，∴()min 1f u b =+，()max 133f u b =+，由()()min max 2f u f u >得53b <，从而513b ≤<．综上，15153b <<．。
浙江省嘉兴市第五高级中学2020-2021学年高一上学期期中测试物理试题含答案
嘉兴市第五高级中学2020学年第一学期期中测试高一物理试题卷满分[100]分，时间[60]分钟，本卷取g=10m/s2 2020年11月一、单选题（每小题3分，共30分。
在每题给出的四个选项中，只有一项是最符合题目要求的，不选、错选均不得分）1．下列情况中，能把研究对象视为质点的是（）A．研究国产大飞机“C919”转弯时机翼的倾斜角度B．研究自由体操运动员在空中翻滚的动作C．研究高铁从昆明到大理的运行时间D．研究陀螺的转动2．港珠澳大桥于2018年10月24日上午9时正式通车，大桥全长55公里，集桥、岛隧于一体，是世界最长的跨海大桥。
大桥通车后，从香港到珠海驱车仅需30分钟，该大桥通行速度最高为100km/h。
下列说法正确的是（）A．2018年10月24日上午9时是指时刻B．30分钟是指时刻C．55公里是指位移大小D．100km/h是指平均速度3．一足球以6m/s的速度飞来，被一脚踢回，踢出时速度大小为12m/s，球与脚接触时间为0.1s，则此过程中足球的加速度的大小和方向分别为（）A．60m/s2，方向与踢出方向相同B．60m/s2，方向与飞来方向相同C．180m/s2，方向与踢出方向相同D．180m/s2，方向与飞来方向相同4．一辆以108km/h的速度在水平路面上行驶的汽车，在刹车过程中以大小为5m/s2的加速度做匀减速运动，那么8s后的位移是（）A．80mB．240mC．90mD．0 m5．科学研究发现：在月球表面没有空气，重力加速度约为地球表面处重力加速度的1/6。
若宇航员登上月球后，在空中同一高度处同时由静止释放羽毛和铅球，忽略地球和其他星球对它们的影响，下列说法中正确的是()A．羽毛将加速上升，铅球将加速下落B．羽毛和铅球都将下落，且同时落到月球表面C．羽毛和铅球都将下落，但铅球先落到月球表面D．羽毛和铅球都将下落，但落到月球表面时的速度不同6．某物体做直线运动的v－t图象如图所示．关于物体在前8 s内的运动，下列说法正确的是（）A．物体在第4 s末改变运动方向B．0-4 s内的加速度大于6-8 s内的加速度C．前8 s内的位移为16 mD．第6 s末物体离出发点最远7．体育课上一学生将足球踢向斜台，如图所示，下列关于足球和斜台作用时斜台给足球的弹力方向的说法正确的是()A．沿v1的方向B．沿v2的方向C．先沿v1的方向后沿v2的方向D．沿垂直于斜台斜向左上方的方向8．如图所示，质量为m=10kg的物体在水平力F1=18N，F2=10N的作用下，静止在粗糙水平面上，滑动摩擦系数u=0.2，则物体受到的摩擦力为（）A．8N，向左B．10N，向右F2F1 C．20N，向左D．18N，向左9．对于静止在地面上的物体，下列说法中正确的是（）A．物体对地面的压力与物体受到的重力是一对平衡力B．物体对地面的压力与物体受到的重力是一对作用力与反作用力C．物体对地面的压力与地面对物体的支持力是一对平衡力D．物体对地面的压力与地面对物体的支持力是一对作用力与反作用力10．如图所示，两个等大、反向的水平力F分别作用在物体A和B上，A、B两物体均处于静止状态．若各接触面与水平地面平行，则A、B两物体各受几个力？（）A．3个、4个B．4个、4个C．4个、5个D．4个、6个二、填空题(每空2分，共20分)11．如右图所示，小球从5m高处落下，与地面碰撞后竖直弹起在2m高处被接住，在此过程中小球的位移是______m，路程是_______m．12．从静止开始做匀加速直线运动的物体，第1s内的位移是4m，则物体运动的加速度大小是________m/s2，第3s内的位移是________ m．13．为了测量一水井从井口到水面的距离,将一颗小石子从与井口平齐的位置由静止释放, 经2s听到石子落水的声音, 忽略空气阻力和声音传播的时间,重力加速度g=10m/s2．石子在下落的过程中,第1s末的速度为_______m/s;井口至水面的距离为________m．14．重500N的物体放在水平地面上，物体与地面间的动摩擦因数为0.4，当用180N的水平力推物体时，物体所受摩擦力大小为________N，当用400N的水平力推物体时，物体所受的摩擦力大小为________N。
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嘉兴市第五高级中学2020学年第一学期期中测试高一英语试题卷满分[150]分时间[120]分钟2020年11月第一部分听力（共两节，满分30分）做题时，先将答案标在试卷上。
录音结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。
第一节(共5小题；每小题1.5分，满分7.5分)听下面5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，并标在试卷的相应位置。
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。
1.What is the woman?A.A student.B.A librarian.C.A saleswoman.2.What will the man do on Friday?A.See a film.B.Attend a lecture.C.Go to the theater.3.Which character is the woman’s favorite in Friends?A.Monica.B.Phoebe.C.Joey.4.What is the man complaining about?A.His career.B.His health.C.His kid.5.Whom will the man celebrate the festival with?A.His brother.B.His parents.C.His grandparents.第二节(共15小题；每小题1.5分，满分22.5分)听下面5段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。
听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。
每段对话或独白读两遍。
听下面一段对话，回答第6和第7两个小题。
6.What’s the woman doing?A.Making an invitation.B.Asking for help.C.Giving advice.7.What does the man plan to do today?A.Play tennis.B.Go on a trip.C.Help Emily study.听下面一段对话，回答第8和第9两个小题。
8.How much is a ticket?A.£3.B.£6.C.£12.9.When should the woman collect the tickets at the latest?A.At6:00pm.B.At7:00pm.C.At8:00pm.听下面一段对话，回答第10至第12三个小题。
10.How many people are there in Peter’s family?A.3.B.4.C.5.11.When do the whole family walk the dog?A.On Friday.B.On Saturday.C.On Sunday.12.What does Peter do at home?A.Do the laundry.B.Cook food.C.Sweep the floor.听下面一段对话，回答第13至第16四个小题。
13.What is the weather like today?A.Hot.B.Cold.C.Cool.14.What does the man like doing most?A.Playing in the pool.B.Playing computer games.C.Reading books.15.How often does the man do exercise?A.Hardly ever.B.Once a week.C.Twice a week.16.Where will the speakers be next Saturday night?A.In a cinema.B.In a bookstore.C.At the woman’s house.听下面一段独白，回答第17至第20四个小题。
17.What is the speaker?A.A teacher.B.An editor.C.A student.18.What is necessary for a volunteer?munication skills.B.High scores.C.Experience.19.What’s the best reason for taking the job?A.To learn to write.B.To make money.C.To have fun.20.When are volunteers expected to start working?A.Right after the meeting.B.Tomorrow.C.Next week.第二部分阅读理解（共两节，满分35分）第一节（共10小题，每小题2.5分，满分25分）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。
AMany people like traveling,but they cannot take their dogs wherever they go.Some people let their dogs stay alone at home while others ask someone else to take care of their pets.If you’re leaving your beloved pet at home for a holiday,it can turn into a bad experience.Luckily,you don’t have to worry about your dogs anymore because Rover can cover for you while you are on leave. Rover is the latest service to offer athome dog boarding.It’s a good alternative(替代物)to boarding your dog at a dog boarding kennel(狗舍)or your neighbor’s house.The way Rover works is sort of like Airbnb(爱彼迎).Dog owners browse the“search”section of the site or APP for pet sitters(宠物保姆),which can be organized by zip code and available dates. Information of pet sitters is provided,complete with many reviews,specific services and rates.Now Rover has over25,000pet sitters in more than5,000US cities.And they’re all experienced pet sitters.After finding someone that meets your needs,just send messages to the pet sitter to arrange a meeting.Then,like Rover says,all that is left to do is relax!Rover’s pet sitters are encouraged to send text and picture information throughout the day,and if there’s a medical emergency,the site will send a vet.Besides,don’t worry about a pet sitter who falls through,because someone else will soon take his or her place.Happy doggie,happy travels—that sounds good to us.To learn more about Rover,click here.21.What kind of service does Rover mainly provide?A.Telling people where to travel to.B.Providing information about dogs.C.Helping people take care of their dogs.D.Helping parents look after their kids.22.According to Paragraph2,we can know about a pet sitter through________.A.sending emailsB.making phone callsC.asking other dog ownersD.looking at information on Rover23.What is a Rover pet sitter encouraged to do?A.Walk the dog every day.B.Provide the latest information about the dog.C.Call the pet owner anytime.D.Learn some first aid skills.BAn earthquake is one of the most common natural disasters.It may cause great damage.So it is wise to learn some simple safety tips to protect yourself or your family members.Fragile items like those made of glass are easily broken and should usually be placed on a lower surface,near the ground instead of placing them in the cupboards higher up.Never place them near your bed,sofas and other furniture where you would be sitting or lying down.When there is a strong movement,these pieces will fall on the floor directly and not on you.There is a strong chance of short circuits(短路)and fire during an earthquake.Make sure you turn off electrical connections and gas immediately when an earthquake happens.During an earthquake,lie beneath an object that is not easily damaged.Do not go near objects that could directly fall on you.Never use the elevator to go down.Stay inside until the shaking stops and it is safe to go outside.Research has shown that most injuries happen when people inside buildings try to go e the staircases at all times.If you are outdoors,do not take shelter under a tree,streetlights,electric poles or tall buildings. If you are driving,stop your car and stay in a safe place.Do not park your car under a tree or any tall object.If trapped in debris(瓦砾堆),cover your mouth with a handkerchief or clothing.Tap(轻拍)on a pipe or the wall so that rescuers can find e a whistle(哨子)if one is available.Never shout for help.Shouting can cause you to breathe in dangerous amounts of dust.Do not light a match because you may burn yourself.Do not move about or kick up dust.24.The purpose of the passage is to tell readers__________.A.the damage caused by earthquakesB.the rescue work after earthquakesC.how to prevent earthquakesD.what to do about earthquakes25.The underlined word“Fragile”in Paragraph2probably means“__________”．A.Easily foundB.Easily brokenC.ExpensiveD.Heavy26.During the earthquake,including the very beginning,people are advised to__________.A.go out of the building at onceB.drive to a safe place quicklyC.take shelter under a treeD.turn off electricity and gas immediatelyCPhysical education,or gym class,isn’t required for all high school students.In some schools,it isn’t offered for some different reasons.But should high school students have physical education? The answer is certainly“yes”.Today many people don’t do sports.But as is known to all,doing sports is very important for an adult.Teaching teens the importance of a healthy lifestyle and making fitness plans now can help teens put exercise in the first place as an adult.High school isn’t that easy.Many students are under a lot of stress.Stress can be harmful to a student’s studies and life.Doing sports can help them deal with stress better,helping them live a happier life at school.The American Heart Association says that10million kids and teens suffer from obesity(肥胖症).Teens should get60minutes of physical activity per day to control their weight and to help their bones get stronger.The increase in activities that don’t get teens to move around,such as video games and computer activities,means many teens don’t get their required exercise.Physical education classes act as a public health measure to encourage activity and help teens have healthy weights.Inactivity increases teens’risk of developing many diseases.An active lifestyle offers a good way of protection from these health problems.As much as75percent of healthcare spending goes toward treating medical conditions that can be hindered by lifestyle changes,according to the American College of Sports Medicine.According to the President’s Council on Fitness,Sports and Nutrition(PCFSN),students who performed five hours of physical activity each week improved their academic(学业的)performance. Students from programs with no physical activity,who used the extra time for classroom study,did not perform better on tests than those who gave up some study time in support of physical education.27.According to Paragraph2,what does physical education in high school mean?A.Helping teens learn to make good plans.B.Removing the stress faced by teens at school.C.Making teens attach importance to exercise later.D.Getting teens to encourage adults to exercise.28.What does the underlined word“hindered”in Paragraph5mean?A.Measured.B.Prevented.C.Shown.D.Caused.29.According to the PCFSN,doing sports______.A.means making students choose between sports and studiesB.helps students make good use of all their timeC.means students adjust to their studies betterD.helps students do better in their studies30.What is the text mainly about?A.How high school students can live a better life.B.How schools can help students love doing sports.C.Why some schools consider physical education important.D.Why high school students should receive physical education.第二节（共5小题，每小题2分，满分10分）根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。