1、Unit 2Section 一、语言基础训练.用所给词的适当形式填空1This urgent problem _is being talked_ (talk) about by the managers.2The new generation of computers, with artificial intelligence, _is being developed_(develop) and perfected now.3Zappas music _is being played_ (play) in the hall now.4Have you handed in your school
2、work yet?Yes, I have. I guess it _is being graded_ (grade) now.5You cant use the machine today because some parts _are being replaced_ (replace) this week.6_Is_ the sports meeting _being held_(hold) on the playground now?7Sorry, sir.Your car isnt ready yet；it _is being repaired_(repair) by our worke
3、rs.8My sister _is being interviewed_(interview) at this moment.9There is a lot of noise outside as repair work _is being done_(do) to the house.10The boy is so curious that he wants to know what _is being discussed_(discuss) now in the secret room.完成句子1The Olympic Sports Center _is being built_(正在建设
4、中) and is said to be open to the public in 2020(build)2Scientists will produce plastic material from beans, but right now the new product _is being developed_(正在研制中)(develop)3Dont make any noise. Her mother _is being examined_(正在检查) by a doctor.(examine)4What are you going to do this weekend?Im goin
5、g to an exhibition of photographs which _is being held_(正在举行) these days.(hold)5The cause of the accident _is being looked into_(正在调查中) so you neednt worry.(look into).将下列句子变成被动语态1Scientists are studying the disease at present.The disease _is being studied at present_ by scientists.2They are playing
6、 some rock music.Some rock music _is being played_ by them.3A snake is swallowing a frog over there.A frog _is being swallowed_ by a snake over there.4The researchers are studying the life of the panda at present.The life of the panda _is being studied_ by researchers at present.5The teacher is alwa
7、ys praising Tom in public.Tom _is always being praised_ in public by the teacher.二、培优提升训练.阅读理解Wildlife faces threats (威胁) from habitat destruction，pollution，and other human actions.Although protecting wildlife may seem too hard at times，even small actions in your own neighborhood can help protect ma
8、ny different animals.Here are some tips on how to protect wildlife through small actions.1Create wildlife friendly areas in your backyard.When trying to make your garden more beautiful, you can choose plants that can provide food and shelter to native wildlife.This will also help cut down on polluti
9、on.And bird or bat houses to your yard or garden can attract and shelter these species.2Avoid harming the natural ecosystem (生态系统) in your area.Some plants from other places can kill or harm native plants that provide food and shelter for wildlife.3Have a greener lifestyle.By using less water and fe
10、wer fuels, you will be helping to protect the wildlife around you.Take buses or the subway when you can, turn off electric devices when youre not using them, take shorter showers and keep your room temperature at or below 68 Fahrenheit degrees during the winter.4Buy products that are wildlife friend
11、ly.Dont buy products that are made from endangered animals.Keep in mind that some endangered animals are killed by traps, catches or hunters who are after other wildlife within the same habitat.5Donate money or time to organizations that protect wildlife and their habitats.You can give money to orga
12、nizations or groups that protect wildlife species in your neighborhood.文章大意：本文是一篇说明文。主要讲的是保护野生动物要从身边做起。1We can infer that the purpose of this passage is to _D_.Atell us why protecting wildlife is extremely important nowBsuggest that we protect wildlife through actionsCexplain why protecting wildlife
13、 is not as hard as people thinkDgive us some tips on how to protect wildlife through small actions解析：写作目的题。根据第一段最后一句和下文的小标题可知D项正确。2Which of the following threats to wildlife is NOT mentioned in the passage？_A_AAnimal diseases.BLoss of habitat.CPollution.DHunters.解析：细节理解题。根据文中的第一段第一句可知B、C两项提到了；D项是在第四
14、条中第二句提到的。结合全文，只有A项没提到。3What behaviour do you think the author disagrees with？_B_APlanting right trees in gardens.BBuying an ivory vase for a gift.CDonating some money to WWF.DReading books about wildlife.解析：细节理解题。比较选项，并结合常识可知B项就是作者所不能同意的。4In which section of a newspaper would you most probably read
15、this passage？_A_AEnvironment.BTeaching.CBusiness.DGeography.解析：文章出处题。本文主要讲了野生动物保护的一些建议。这些建议与环境有关系。.完形填空Wildlife has been greatly threatened in the modern age. There are species(物种) that are disappearing every day. The whitenaped crane is a typical example. So scientists are trying their best to 1_B_
16、 the species from going out of existence.Chris and Tim work at a zoo, helping endangered cranes with their 2_C_. Emma, a female crane, has been in their 3_A_ since she arrived in 2004Born at an international crane foundation, Emma was 4_C_ by human caretakers. This led to an unexpected consequence,
17、though she had a wonderful time there.Emma had 5_A_ taken herself as a crane and become deeply attached to humans. She 6_B_ to live with male cranes, and even had a reputation for killing some of them, which made it 7_D_ for her to become a mother.8_C_， the two zookeepers didnt want to see the extin
18、ction (灭绝) of this precious species. With their patience and efforts, they successfully developed a 9_A_ of artificial breeding (人工繁殖) and natural reproduction.This 10_D_ Emma to give birth to five baby cranes.The two keepers are proud of their productive work.But before they can be assured, more ef
19、forts must be made, because the population of the crane in the wild is on the 11_D_， and many other species appear headed toward extinction.12_B_，not everyone has realized that wildlife has thoughts, feelings, and most importantly, equal rights to survive.How can we 13_B_ the everwidening gap that s
20、eparates us from other animals? Chris and Tim offered us the 14_C_：human beings took it for granted that their 15_A_ held all the solutions, but maybe their hearts can be a better guide.文章大意：本文是一篇记叙文。文章讲述了人们为拯救濒危野生动物白枕鹤所做的努力。1AbanBsaveCsplitDremove解析：下文语境题。由下文提到的Chris和Tim为拯救白枕鹤所做的努力可知，科学家们一直在尽最大努力拯救
21、(save)这些物种免于灭绝。save sb./sth. from doing sth.拯救某人/某物免于做某事，是固定搭配。ban sb. from doing sth.禁止某人做某事； split分裂，使分开； remove移开，拿开。知识链接：常用的“动词sb. from doing sth.”结构：prevent/stop/keep sb. from doing sth.阻止某人做某事discourage sb. from doing sth.劝阻某人做某事protect/save sb. from doing sth.保护/拯救某人免于做某事2AabortionBrecreation
22、CreproductionDadministration解析：下文语境题。由第四段中的artificial breeding and natural reproduction(人工繁殖和自然繁殖)可知，此处为两位饲养员帮助濒危的白枕鹤繁殖(reproduction)。abortion人工流产；recreation娱乐，消遣；administration管理，施行。3AcareBeyeCmindDstory解析：下文语境题。由下文的叙述可知，Chris和Tim在Emma来到动物园之后一直在照顾她。in ones carein the care of sb.由某人照管，是固定搭配。另外，下文中的h
23、uman caretakers也给出了提示。4AfoundBchosenCraisedDseized解析：下文语境题。由下文中的become deeply attached to humans (变得非常依恋人类)可知，她是由人类饲养(raise)大的。5AneverBalwaysCunluckilyDcheerfully解析：下文语境题。后面提到Emma变得非常依恋人类，由此可知，她从来不(never)把自己看作是一只鹤。always总是；unluckily不幸地；cheerfully高兴地。6AlikedBrefusedCdecidedDhesitated解析：上下文语境题。既然Emma从
24、来不把自己看作是一只鹤，那么她会拒绝(refuse)与雄鹤一起生活。 like喜欢；decide决定；hesitate犹豫。7AillegalBinspiringCimportantDimpossible解析：上下文语境题。Emma拒绝与雄鹤一起生活，因此她就不可能(impossible)成为母亲。illegal不合法的；inspiring鼓舞人心的；important重要的。8AThereforeBMoreoverCHoweverDInstead解析：逻辑关系题。“她不可能成为母亲”与“这两位动物园饲养员不想看到这一珍稀物种灭绝”是语意上的转折关系，故选however (然而)。theref
25、ore因此；moreover而且；instead代替，而不是。9AcombinationBcollectionCstrategyDsystem解析：上下文语境题。人工繁殖和自然繁殖是两种繁殖方式，此处指动物园饲养员把这两种方式成功地结合起来了，故选combination (结合，联合)。collection收集；strategy策略；system系统。10AforcedBforbadeCtaughtDenabled解析：上下文语境题。这种方式使Emma生了五只幼鹤。enable sb. to do sth.使某人做某事，是固定搭配，且符合此处的语境。force sb. to do sth. 迫
26、使某人做某事，语气强烈；forbid sb. to do sth.禁止某人做某事；teach sb. to do sth.教某人做某事，不符合此处的语境。知识链接：常用的“动词sb. to do sth.”结构：advise sb. to do sth.建议某人做某事remind sb. to do sth.提醒某人做某事persuade sb. to do sth.说服某人做某事allow sb. to do sth.允许某人做某事beg sb. to do sth.乞求某人做某事warn sb. to do sth.警告某人做某事11AlistBriseCagendaDdecline解析：
27、上下文语境题。他们必须付出更多的努力，因为野生白枕鹤的数量在下降(on the decline)，许多其他物种面临灭绝的危险。list清单；rise上升；agenda议事日程。12AIn contrastBAfter allCBy the wayDOn the contrary解析：上下文语境题。出现这种情况的原因是，毕竟(after all)不是每个人都意识到野生动物有思想、有感情，最重要的是，它们有平等的生存权利。in contrast相比之下；by the way顺便说一下； on the contrary相反。13AleaveBbridgeCopenDidentify解析：上下文语境题
28、。我们怎样才能弥合我们与其他动物之间日益扩大的鸿沟呢？ bridge the gap消除隔阂/鸿沟，是习语。14AcourseBexcuseCanswerDreward解析：上下文语境题。Chris和Tim就怎样才能弥合我们与其他动物之间日益扩大的鸿沟的问题给出了答案(answer)，因为他们的努力已经有了回报。course课程； excuse借口； reward奖赏。15AbrainsBbehaviorsCservicesDprojects解析：上下文语境题。上文提到不是每个人都意识到野生动物有思想、有感情，最重要的是，它们有平等的生存权利，人类理所当然地认为他们的大脑(brain)拥有所有
29、的解决方案。behavior 行为；service服务；project工程。.语法填空阅读下面材料，在空白处填入一个适当的单词或括号内单词的正确形式。So far many of the earths plants and animals 1_have died_(die) out, and a hundred species become 2_endangered_(endanger) every day. If nothing is done, we may find ourselves alone on the earth.Wild animals live in the forests
30、 which 3_are being destroyed_(destroy) by people at present. As 4_a_ result, the animals are losing 5_their_(they) habitats. Without the trees, the animals are short 6_of_ food. And many animals are dying out because of pollution.I suggest that measures should be taken 7_to protect_(protect) wildlif
31、e. The government should prevent people from 8_destroying_(destroy) forests and shut down the factories 9_which/that_ pollute rivers and air. I think more wildlife 10_reserves_(reserve) should also be built.文章大意：本文是一篇议论文。地球上的很多动植物已经灭绝，很多物种濒临绝境，我们应该采取措施保护野生动植物。解析：1考查时态。时间状语so far可知句子应用现在完成时态。故答案为have
32、 died。2考查形容词。become后跟形容词，故此处填endangered。endangered“濒危的”。3考查时态和语态。根据时间状语at present可知此处应用现在进行时，主语和destroy之间是被动关系，故用现在进行时的被动语态。4考查冠词。as a result“结果”，是固定搭配。故答案为a。5考查代词。修饰名词habitats，应用形容词性物主代词。故填their。6考查介词。be short of“缺乏”。是固定搭配。7考查非谓语动词。此处是动词不定式作目的状语。故答案为to protect。8考查非谓语动词。prevent sb. from doing sth.“阻止某人做某事”。故答案为destroying。9考查定语从句。句意：关闭污染河流和空气的工厂。此处factories是先行词，指物，在后面的定语从句中作主语。故答案为which/that。10考查名词复数。根据more可知此处应用名词复数。故填reserves。