1、Unit 2Cloning.单项填空 1Be _you cant expect me to finish all this work in so little time. (2012山东，33)Areasonable BconfidentCcreative Dgrateful答案A解析reasonable合理的；公平的；confident自信的；creative有创造力的，创造(性)的；grateful感激的。由破折号后面的关键信息可知说话者对“finish all this work in so little time”很不满，要求讲道理。be reasonable为祈使语气，意为“要讲道理
2、”。句意为：要讲道理你不能期望我在如此短的时间里完成所有这些工作。 2_volleyball is her main focus，shes also great at basketball. (2011北京，29)ASince BOnceCUnless DWhile答案D解析句意为：虽然排球是她的主要核心项目，但是她篮球打得也很棒。根据句意可知，这里表示让步关系。while虽然，符合句意。since既然；once一旦；unless除非。 3We have our bad times but on the whole were _ happy.Ararely BmerelyCfairly Dch
3、iefly答案C解析考查副词辨析。句意为：我们处境艰难，但是总体来说我们相当高兴。根据本句中的转折连词but可知应用fairly，表示“相当，颇”。A项表示“很少”；B项表示“仅仅”；D项表示“主要”，都不符合句意。 4It makes his life quite different_he has received higher education abroad.Athat Bwhich Cwhat Dhow答案A解析考查主语从句。it作形式主语，that引导的从句作真正的主语。 5Things in the world differ_each other in countless ways
4、.Awith BinCfrom Dby答案C解析考查固定搭配。differ from与不同。句意为：在很多方面，世界上的东西都有着差异。 6This group of designers_a plan for the project of the company.Adrew up Bsent upCset up Dturned up答案A解析考查动词短语辨析。draw up草拟，写出。句意为：设计小组为公司的那项工程起草了计划。send up 发射；set up树立，创立；turn up调大，现身。 7Britain_many other industrialized countries，_m
5、ajor changes over the last 100 years.Atogether with；have experiencedBas well as；have experiencedCin common with；has experiencedDinstead of；has experienced答案C解析考查主谓一致。in common with意为“和一样”，谓语动词单复数跟前面的主语保持一直。句意为：与其他工业化国家一样，英国在过去100年里经历了重大的变化。A、B两项第一空together with，as well as意思及用法与in common with类似，均错在第二
6、空；D项instead of“而不是”，不合句意。 8I_it to my teacher that I was admitted into my ideal university.Aowe BbelongCgive Ddonate答案A解析句意为：我上了理想的大学，我将这归功于我的老师。owe.to.归功于；感激，符合语意要求。 9At school，some students are active _ some are shy，yet they can be good friends with one another. (2012四川，4)Awhile BalthoughCso Das答案
7、A解析考查并列连词。句意为：在学校，一些学生很活跃而一些却很害羞，然而他们都可能彼此成为好朋友。根据句意选while，表示两个分句中两种情况的对比。10I agree to his suggestion_the condition that he drops all charges.(2010辽宁，31)Aby BinCon Dto答案C解析句意为：我同意他的建议，条件是他应降低所有的费用。on the condition that在此处起连词作用，引导条件状语从句，意为“条件是，如果”。此短语中只能用介词on，故选C。11As long as we persist in spreading
8、scientific knowledge among the masses，all the strange beliefs are_to go out of our life.Anecessary BimportantCdifficult Dbound答案D解析考查形容词辨析。句意为：只要我们坚持在公众中传播科学知识，所有奇怪的信仰一定会从我们的生活中消失。necessary必要的，必需的；important重要的；difficult困难的，艰难的；bound注定的。从语意和搭配看，这里用固定短语be bound to do sth.表示“注定做某事”。故选D项。12Bears often h
9、ide themselves in places_cant be found by hunters.Ain which BwhereCthat D/答案C解析考查定语从句的关系词。此处that在定语从句中作主语。13Is it he or you_in charge of the job and supposed to complete it punctually?Awho is Bthat isCwho are Dwhom are答案C解析考查强调句型及主谓一致。此处为强调句型，强调了主语he or you，根据强调句型结构“It is/was被强调部分that/who其他”，首先排除D；谓
10、语的单复数根据所强调的主语he or you确定，or连接并列主语时采用就近一致原则，因此根据you确定谓语为are。14I usually take something to read when I travel by train_I feel bored.Aas if Bso thatCin case Deven though答案C解析考查连词。in case以防。句意为：我坐火车旅行的时候，通常带些东西去读，以防感到无聊。15All of us have already known_she will choose is the opportunity to go abroad.Athis
11、 BthatCwhat Dwhich答案C解析考查名词性从句。句意为：我们都已经知道她将选择的是出国的机会。what she will choose is the opportunity to go abroad是宾语从句，在从句中，what she will choose是从句的主语，what在主语从句中作choose的宾语。.阅读理解AModern day robots may not be as entertaining as R2D2 or the robot from “Lost in Space”，but robots are very important to space exp
12、loration and are being used in a variety of different ways for several important reasons.Robots make great explorers on planets，moons，and other landing areas.Aside from the Earth，just about every surface in the solar system is unsafe for humans to explore.The air on most other planets is insufficien
13、t for humans to breathe，making it necessary to wear a space suit and oxygen equipment，The temperatures on these surfaces are much too hot or much too cold for any humans to withstand.Plus there would be complications with radiation，weather，and a lack of gravity.Robots have much less limitation in th
14、ese areas and can survive much longer under these conditions.Robots are designed for collecting scientific data.Robots are also able to perform many tasks at one time and can process information much quicker and more efficiently.Important scientific projects from detecting minerals，analyzing ground
15、samples，to finding water are all performed much quicker and accurately by robots.The use of robots has made the cost of space exploration much less expensive than it would cost for humans to do the work.In order to successfully send humans into space we would need to build a vehicle that can not onl
16、y carry humans，but also enough food and water to keep them alive for the duration of the trip.Moreover，robots have no problems working for hours on end.Robots never complain，they dont require food or water，and they never need a bathroom break.Over the past 30 years or so there have been many differe
17、nt types of robots used successfully in the exploration of space.Perhaps the most famous and successful robots are Spirit and Opportunity who have both been exploring the surface of Mars.They have both been very successful with experiments on soil and rocks and have even found evidence of water in M
18、ars history. 1Which of the following would be the best title for the passage?AThe development of robotsBThe discovery of space explorationCNo robots，no space explorationDRobots are used in space exploration答案D解析标题归纳题。文章开篇点题，指出了文章的主题是利用机器人进行太空探索，下文围绕该主题分别从四个方面展开论述，故D项作为文章标题最佳。 2According to the passa
19、ge，which of the following is NOT true?AThe use of robots in space exploration costs more than the use of humans.BIt is dangerous for human to explore other surfaces in the solar system except the Earth.CBoth Spirit and Opportunity have found the evidence of water on Mars.DMany different types of rob
20、ots have explored the space successfully.答案A解析细节理解题。由第四段第一句话可知，使用机器人进行太空探索比人类做这项工作花费更少，因此A项说法错误。 3The underlined word “withstand” most probably means “_”Aremain Bbear Cdefeat Ddevelop答案B解析词义猜测题。根据画线词所在的句子可推知withstand的意思是“承受，经受住”，故选B项，bear意为“忍受”。 4What is the writers attitude in this passage?ANegativ
21、e. BPersuasive. CSubjective. DObjective.答案D解析作者态度题。综观全文可知作者只是客观地介绍了机器人在太空探索中的使用，并未带有否定的、说服性的或者是主观的看法，故选D项。BHeelys are shoes that can roll.They are sports shoes with a wheel in the heel.The wheels can be easily removed from the shoes.So a person wearing them can either walk or ride！Heelys are sold in
22、 at least fifty countries around the world.They cost between fifty and one hundred dollars.They were first sold in the United States in 2000.Roger Adams invented Heelys because he wanted to be able to skate without changing his shoes.He invented a shoe that could roll if the wearer moved the weight
23、of his body towards the back.Doctors，however，say wearing Heelys can be dangerous.One doctor told a newspaper in the state of Iowa that the shoes would be safer if the wheels were in the front of the shoes instead of the back.He said a persons natural balance is to the front of the foot，not the back.
24、One medical study last month warned of the possible dangers of wearing Heelys.Doctors in Singapore reported that thirtyseven children were treated for injuries last month.Most of the injuries reported involved broken hands，arms and ankles and cracked heads.The children were not wearing any kind of p
25、rotective equipment when they fell.The Heelys company recently released the result of a study it had requested.The study found that rolling on Heelys is safer than roller skating，or skateboarding.Still，the company and many doctors suggest that children wear protective equipment on their heads，arms a
26、nd legs.But children say they do not like to do this.Many say they expect to fall while learning to use Heelys and they just get up and try again. 5According to the passage，people wearing Heelys _.Acan save much time every dayBusually have difficulty in walkingCmay roll faster without the wheelDcan
27、walk or roll forward as they like答案D解析细节理解题。根据第一段第四句“So a person wearing them can either walk or ride！”可知，穿暴走鞋可以行走也可以滑动。 6According to the doctors，_.Apeople should not wear Heelys for skatingBwheels should be kept at the back of the shoesCpeople have to keep balance by the back of the footDit is bet
28、ter to place the wheels in the front of the shoes答案D解析细节理解题。根据第三段第二句中的“.the shoes would be safer if the wheels were in the front of the shoes.”可知，医生认为把轮子放在鞋的前部更安全。7Which of the following is NOT true according to this passage?AThe Heelys company thinks that in some way it is safe to wear Heelys.BHeel
29、ys are rather popular in many countries in the world.CRoger Adams would like to wear shoes that could roll.DChildren should not wear Heelys for safety.答案D解析正误判断题。文中提到穿暴走鞋存在安全隐患，并建议儿童在穿暴走鞋时穿戴好防护用具，但文章并未明确表示儿童不能穿暴走鞋，故答案选D项。8We can infer from the passage that _.Akids like Heelys but doctors think Heelys are dangerousBit is wrong for children to wear shoes with wheelsCrolling on Heelys is a popular sport in the worldDHeelys are one of the greatest inventions nowadays答案A解析推理判断题。根据穿着暴走鞋可以滑动、也可以正常行走的特点及医生的观点可以推知，孩子们喜欢穿暴走鞋，但是医生却认为穿暴走鞋存在安全隐患。7