2020-2021学年新教材高中英语 课时作业12 UNIT 3 Section Ⅳ单元要点复习（含解析）新人教版必修第二册.doc

1、课时作业12阅读下面短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。Chinas lasting research and development efforts have helped the nation keep its pioneering role in developing 5G mobile communication technology, related standards and the licensing stage.Chinese telecom companies are trying to keep their leading role in the gl

2、obal race for 5G commercialization(商业化)They are speeding up R&D of the fifthgeneration mobile communication technology.The 5G technology is said to be at least 10 times faster than 4G services which means it will enable superfast downloads of “heavy” files like movies, selfdriving cars and virtual(虚

3、拟的)reality games.It will do largescale experiments of using 5G in 17 cities.Yang Jie, chairman of China Telecom, said，“We aim to begin commercial 5G services in 2020.”China Mobile Communications Corp is planning to use 5G with AI and cloud technology for a latest network, which is planned to be used

4、 in the year 2020.The company has played an important role in the finish of the first stage of global 5G standards.The company will push forward the cloud deployment(云部署) of the superfast technology and build an intelligent network.Similarly, China Unicom said it will start 5G testing this year, com

5、mercialize 5G in 2019 and finally carry out largescale commercialization in 2020.China is expected to have 576 million 5G users by 2025, according to a report published by EY earlier this month.With the global united standard set to be finished in the next year or so, China is likely to advance its

6、plan for the commercial use of 5G connections to 2019, to possibly become one of the first 5Gready markets in the world, EY forecast.In the past, China was behind other countries in publishing 4G and 3G licenses.But in 5G, perhaps China will race ahead in R&D.China is struggling to take a leadership

7、 role in the global landscape.China is also hungry to join in the decision of 5G international standards, making it one of the major players.这是一篇说明文。文章主要讲述了中国日益发展的网络5G技术并对其进行了介绍，以及与他国的5G技术领军争夺战。1The word “heavy” in the second paragraph refers to _.Aimportant BlongChuge Dvaluable答案：C解析：词义猜测题。根据文章第二段内

8、容，The 5G technology is said to be at least 10 times faster than 4G services which means it will enable superfast downloads of “heavy” files like movies, selfdriving cars and virtual(虚拟的)reality games.5G技术据说比4G服务快至少10倍，这意味着它可以快速下载“大储存量”文件，如电影、自动驾驶汽车和虚拟现实游戏。故heavy的意思为“巨大的”，故选C。2What can we infer about

9、 the passage?AChina attaches great importance to the commercial application of 5G.BThe largescale experiments of using 5G will be done in 17 cities by China Mobile.CChina lay behind other countries in using 4G and 3G in the past.DChina will decide 5G international standards in the future.答案：A解析：推理判断

10、题。根据文章第一段第一句内容，Chinas lasting research and development efforts have helped the nation keep its pioneering role in developing 5G mobile communication technology, related standards and the licensing stage.可知中国长期的研究和开发工作，帮助国家在发展5G移动通信技术、相关标准和许可证阶段保持了开创性的作用。即中国高度重视5G的商业应用，故选A。3According to EY forecast,

11、the year when China plans the commercial use of 5G connections is likely to be_.A2018B2019C2020D2025答案：B解析：推理判断题。根据文章倒数第二段第二句内容，.China is likely to advance its plan for the commercial use of 5G connections to 2019, to possibly become one of the first 5Gready markets in the world, EY forecast.可知安永预测，

12、中国计划将5G连接商业化使用的时间可能是2019年，故选B。4The best title of this passage is _.AThe 5G technology in ChinaBThree communication companies in ChinaCThe commercial use of 5G in ChinaDChinese carriers wrest (争夺) 5G lead答案：D解析：标题判断题。根据文章内容，文章主要讲述了中国日益发展的网络5G技术以及与他国的5G技术领军争夺战。结合选项，故选D。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

13、有两项为多余选项。How to Have a Successful Teenage LifeEveryone dreams of success in their life, dont they? Even as a teenager, you can achieve success in your life; it really isnt that hard. 1._F_Do well in school.No matter how boring it is now, education will help you be a productive member in society.Try

14、your best for excellence in school; listen to the teachers, do your homework, study, and get good grades.Doing so will help you get into a better university, which will enable you to have a bright future. 2._B_Do good in your community(社区)Volunteering can not only improve your communitys status, but

15、 it could make you happier.Studies show that people who volunteer are less likely to develop depression (抑郁)than people who dont. 3._D_ For example, if you love animals, volunteer at an animal shelter.If you love helping the environment, plant trees or pick up litter.When you help others, it will ma

16、ke you feel better about yourself.4._C_Remember, theyre there to help you be the best that you can be.Respect them and value their opinions, even if they annoy you sometimes. 5._G_ You dont get to choose your teachers or your family, but you still have to put up with them.Learn how to deal with peop

17、le now, because when youre an adult, you dont get to choose your boss or your coworkers, so learn how to respect them now.These points can help you enjoy success in your teenage life.ALive life to the fullest.BSchool sets you up on the right track!CBe nice to your parents and teachers.DFind chances

18、to do volunteer work that interests you.EIt will help you pass time and develop your personality.FHere are some important points that you may find helpful.GKeep it in mind that they do the things they do because they care about you.本文讲述如何有一个成功的青少年生活。解析1根据空格前面：甚至作为一个青少年你也能获得成功，它真的不是那么难。可知下面要介绍方法。F项He

19、re are some important points that you may find helpful.(这里有一些重要的建议，你可能会发现它们是有帮助的。)符合语境，故选F。2根据空格前文：在学校里尽你最大的努力，听老师的话，做作业，得高分数。这样你会进入到一所更好的大学，你将有一个美好的未来。故B项“学校让你在正确的轨道上！”是对上文的总结，故选B。3根据上句：研究表明不做志愿者的人比那些做的人更容易患抑郁症。空格下句举例说明：如果你喜欢动物，就在动物收容所做志愿者。可知D项“寻找机会做你感兴趣的志愿者工作。”符合语境，故选D。4根据倒数第二段内容可知，本段主要讲了如何对待老师和父母

20、，故C项“要对你的老师和父母友好”符合语境，故选C。5根据上句：尊重他们，珍惜他们的建议，即使有时候他们使你很烦。可知G项“要记住，他们所做的一切是因为他们在意你。”符合语境，故选G。阅读下面短文，从短文后各题所给的A、B、C和D四个选项中，选出可以填入空白处的最佳选项。“Paige, go down to the office，” said my teacher, There was a strange tone(语气)in her 1._C_. I was never known to get into trouble，so I knew something was 2._A_.It go

21、t even more 3._B_ when my teacher said my mom was on the phone.Did something happen to my 4._C_？ I picked up the phone；I was barely breathing and my hands were 5._B_.“Honey, there was a bank robbery today and your dad was 6._C_ in the car chase that followed.He is doing okay, but shots were fired at

22、 his squad(特别行动小组)”My dad has been a 7._A_ for over 25 years.Every day of my life, I have lived with the 8._A_ thought that something could happen to him.I have always been 9._B_ to my dad, and I do not know what I would do if he was taken away from me, I am so 10._B_ of his job, but I must admit it

23、 would be 11._C_ if he had a normal job.On April 28, my dad got the call to go to a bank robbery.The robbery 12._D_ a car chase.My dad was driving fast to 13._A_ the robber.Over the radio, a fellow officer was yelling at him 14._B_ him the robber was pointing a gun towards his squad.Three shots were

24、 fired.My dad narrowly escaped those bullets.All I had to hear was that my dad was involved in a shooting, and I was 15._D_ his funeral (葬礼)I thought the day would never end.My mom and I sat at home waiting for my dad to walk through the door.The second he did.I rushed up to him and gave him the big

25、gest 16._B_ in the world.Life is about 17._B_ it with the ones you love.What is the 18._D_ of life if you do not have your friends and family? This experience has taught me a 19._C_.I have learned to live my life to the 20._B_ and never to take anyone or anything for granted.1A.mind BheartCvoiceDapp

26、earance2A.wrongBexcitingCboringDcommon3A.encouragingBconfusingCsatisfyingDannoying4A.schoolBclassCfamilyDcommittee5A.wavingBshakingCsufferingDmoving6A.lostBheldCinvolvedDtaken7A.policemanBcoachCprofessorDdoctor8A.anxiousBoptimisticCinterestingDunnecessary9A.hatefulBcloseCcruelDhelpful10A.tiredBproud

27、CjealousDashamed11A.harderBpoorerCeasierDwealthier12A.gave outBtook awayCcame acrossDturned into13A.keep up withBlook up toCrise up againstDget away from14A.inspiringBwarningCcomfortingDinstructing15A.describingBrefusingCholdingDimagining16A.demandBhugCsuccessDshock17A.comparingBsharingChidingDregre

28、tting18A.wayBatmosphereCfortuneDpoint19A.subjectBrateClessonDskill20A.happiestBfullestClongestDhighest这是一篇夹叙夹议的文章。文章主要讲了作者的父亲是一名警察，在一次飞车追捕抢劫犯的行动中，与死神擦肩而过。这次经历让作者学会了充实地生活，不再把任何人或任何事视为理所当然。解析1考查名词辨析。根据tone 可知这里意思是她的声音里有一种很奇怪的语气。A.mind理智；B.heart心脏；C.voice声音；D.appearance外貌。故选C。2考查形容词辨析。根据I was never kno

29、wn to get into trouble可知这里意思是所以我知道出了一些事。 Awrong失常的；B.exciting令人兴奋的；C.boring无聊的；D.common普通的。故选A。3考查形容词辨析。根据when my teacher said my mom was on the phone可知这让我更加困惑。 Aencouraging令人鼓舞的；B.confusing混乱的；C.satisfying令人满意的；D.annoying讨厌的。故选B。4考查名词辨析。上文说老师说：我的母亲让我接电话。由此推断出我会猜想是我的家人出事了吗？A.school学校；B.class班级；C.fam

30、ily家人；D.committee委员会。故选C。5考查动词辨析。根据I was barely breathing可知我的手在颤抖。 Awaving挥动；B.shaking颤抖；C.suffering受苦；D.moving移动。故选B。6考查动词辨析。根据All I had to hear was that my dad was involved in a shooting可知这里意思是你的父亲参与了汽车追捕。A.lost失去；B.held握住；C.involved参与；D.taken拿。故选C。7考查名词辨析。根据Over the radio, a fellow officer was ye

31、lling at him _14_ him the robber was pointing a gun towards his squad.可推断出我的父亲是一名警察。A.policeman警察；B.coach教练；C.professor教授；D.doctor医生。故选A。8考查形容词辨析。根据that something could happen to him可知我每天都有焦虑的想法。A.anxious焦虑的；B.optimistic乐观的；C.interesting有趣的；D.unnecessary不必要的。故选A。9考查形容词辨析。根据and I do not know what I w

32、ould do if he was taken away from me可知我和我的父亲很亲密。 Ahateful可恶的；B.close紧密的；C.cruel残忍的；D.helpful有帮助的。故选B。10考查形容词辨析。根据but I must admit it would be _11_ if he had a normal job可知我为他的工作感到自豪。A.tired疲倦的；B.proud自豪的；C.jealous妒忌的；D.ashamed惭愧的。故选B。11考查形容词比较级辨析。句意：但我必须承认，如果他有一份正常的工作，事情会容易得多。A.harder更难的；B.poorer更贫穷

33、的；C.easier更容易的；D.wealthier更富有的。故选C。12考查动词短语辨析。句意：抢劫变成了汽车追逐。A.gave out分发； Btook away带走；C.came across偶遇；D.turned into变成。故选D。13考查动词短语辨析。句意：我爸爸开得很快，为了赶上那个抢劫犯。A.keep up with赶得上；B.look up to尊敬；C.rise up against奋起反抗；D.get away from摆脱。故选A。14考查动词辨析。根据the robber was pointing a gun towards his squad可知一位警官在提醒他。

34、A.inspiring鼓舞；B.warning警告；C.comforting安慰；D.instructing指导。故选B。15考查动词辨析。根据All I had to hear was that my dad was involved in a shooting及The second he did.I rushed up to him and gave him the biggest _16_ in the world.可知我在想象他的葬礼。A.describing描述；B.refusing拒绝；C.holding召开；D.imagining想象。故选D。16考查名词辨析。句意：我冲向他，给

35、了他世界上最大的拥抱。A.demand要求；B.hug拥抱；C.success成功；D.shock震惊。故选B。17考查动词辨析。句意：生活就是与你所爱的人分享它。A.comparing比较；B.sharing分享；C.hiding隐藏；D.regretting后悔。故选B。18考查名词辨析。句意：如果你没有朋友和家人，生活还有什么意义？ Away方法；B.atmosphere大气；C.fortune运气；D.point要点。故选D。19考查名词辨析。根据I have learned to live my life to the _20_ and never to take anyone or

36、 anything for granted.可知这次经历教给我一个教训。A.subject科目；B.rate比率；C.lesson教训；D.skill技能。故选C。20考查形容词最高级辨析。句意：我学会了充实地生活，从不把任何人或任何事视为理所当然。A.happiest最快乐的；B.fullest最充实的；C.longest最长的；D.highest最高的。故选B。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。During the summer vacation, I took part in 1.the 16th Natural English Contest (竞赛),

37、in which I was listed in the top 10 and 2.gained (gain) valuable experience.I never expected 3.to_go (go) that far.And I had never thought about standing that high on the stage. 4.But at that moment, I set out for the long ride.All I had to do was try.Preparing for the contest, practicing a 3minute

38、speech, and overcoming stage fright (怯场), I spared no effort to take part in the competition.One of my 5.teammates (teammate), my good friend in my school, gave me lots of encouragement and advice during the contest.Her ideas were new and powerful and she stayed quite calm when she was fighting agai

39、nst her petitors (compete)She was like my coach, 7.who showed me how to search for related materials online and how to express my own view 8.logically (logical)Thanks 9.to the contest and the help of my friend, I now feel relaxed on stage and confident when 10.talking (talk)这是一篇记叙文。文章主要讲了作者参加了第十六届自然

40、英语竞赛，入围前十。作者感谢这次比赛和朋友的帮助，作者现在在舞台上感觉很放松，说话也很自信。解析1考查冠词。句意：暑假期间，我参加了第十六届自然英语竞赛。文中表示特指，用定冠词，所以填the。2考查时态。句意：我获得了有价值的经验。描述发生在过去的事情，用一般过去时，所以填gained。3考查固定用法。句意：我从没想过会走那么远。expect to do期望做某事，该用法是固定用法，所以填to go。4考查连词。句意：但是，就在那一刻，我开始了漫长的旅程。文中表示转折关系，所以填But。5考查固定结构。one of 可数名词复数，表示“中之一”，该结构是固定结构，所以填teammates。6考

41、查名词。句意：她的想法新颖而有力，在与竞争对手竞争时，她保持着冷静。fight against与做斗争，其中against是介词，后面接名词，且是复数意义，用名词复数，所以填competitors。7考查非限制性定语从句。_7_ showed me how to search for related materials online and how to express my own view _8_ (logical)是一个非限制性定语从句，先行词是my coach，关系词在从句中作主语，指人，that不能引导非限制性定语从句，所以填who。8考查副词。该空修饰动词express，用副词，所

42、以填logically。9考查固定短语。句意：多亏了这次比赛和我朋友的帮助，我现在在舞台上感觉很放松，说话也很自信。thanks to多亏了，该短语是固定短语，所以填to。10考查非谓语动词。talk的逻辑主语是I，它们之间是主动关系，用现在分词作时间状语，所以填talking。如今，随着生活条件的改善，越来越多的孩子开始发胖。最近，某校高一年级就“如何保持苗条身材”进行问卷调查，调查结果如下面饼状图(pie chart)所示。请据此用英语写一篇短文， 报道此次调查结果，并给出你的建议。写作要求：1词数：80左右，开头已给出，不计入总词数；2文中不能出现真实姓名和学校名称。From our r

43、ecent survey of students，we have found that the_most_popular_way_of_keeping_slim_is_doing_exercise_regularly,_which_35_percent_of_the_students_prefer.This_is_followed_by_only_eating_vegetables,_which_24_percent_of_the_students_are_in_favor_of.About_one_fifth_of_the_students_think_a_balanced_diet_mak

44、es_for_a_slim_figure.However,_a_small_number_of_students_choose_to_go_on_a_diet_or_take_weightloss_pills_(choose_other_ways,_such_as_going_on_a_diet_or_taking_weightloss_pills),_which_is_harmful_to_their_health.We_want_to_help_the_students_(to)_keep_slim_in_a_healthy_way.For_this_reason,_I_suggest_that_our_school_organize_various_sports_activities_to_encourage_more_students_to_work_out_and_that_each_class_have_a_class_meeting_where_teachers_can_give_necessary_guidance_about_a_balanced_diet.They_would_make_a_difference_to_their_figures.