1、Unit 2CloningSection Warming Up & ReadingLanguage Points课时作业. 单句语法填空1We will provide room and board for all of them. 2Its cheap, but on the other hand it isnt good. 3Parents behavior will have a great impact on children. 4I object to the plan while my brother is in favour of it. 5His formal style of
2、 clothes was appropriate to the occasion. 6Everyone in the class voted in favour of the dancing party. 7The plane will be ready for takeoff in ten minutes. 8I must differ with your opinion on the matter. 9We are supposed to undertake (undertake) the responsibility to lead a lowcarbon life, which is
3、of great significance. 10My persistence finally paid off when they called me in for an interview. . 单句改错1Can you tell the difference of the two words？ofbetween2I cannot undertake to finishing the task on time.finishingfinish3The efforts made by Adrian and his parents paid back.backoff4Sometimes, som
4、e students object the idea that English classes are taught in English.object后加to5The law forbids smoke in public buildings.smokesmoking. 阅读理解Authors Kyle Kurpinski and Terry D. Johnson pretty much have me convinced that human cloning is quite possible and is a future certainty. Kurpinski and Johnson
5、 are both bioengineering experts; unlike similar scientists you have seen in the movies, they both have a sense of humor. What surprises me is that Kurpinski and Johnson are able to take something as complicated as DNA and make it understandable. The book How to Defeat Your Own Clone teaches us what
6、 is now known as DNAencoded (编码), how that happens, and why people with similar DNA dont look or act the same. The book not only helps us get a basic understanding of what DNA and its purpose are，but also explains cloning and stem cell (干细胞) research. It occurs to me that a lot of people who are aga
7、inst stem cell research dont know what they are protesting about. The authors provide a history of cloning, as well as information about stem cells. The real fun starts when the authors attack various myths about cloning. Obviously, too many people have been watching too many bad movies and televisi
8、on programs. Remember theyre just fictional stories. If, somehow, scientists manage to clone you. Twenty years from now your clone isnt going to kill you. Among the myths explored and exploded are that a clone will know everything you know and will act as you do, that heads which are cut off can be
9、kept alive, and that a clone has no belly button (肚脐)Many of the myths are ridiculous but many people believe them. Kurpinski and Johnson also detail some bioimprovements “that really work”. You see, genes can be controlled to help you sleep better and become smarter, healthier, and taller. Well .no
10、t exactly you, but future generations. If you do wind up in a battle with your own clone, who will be considerably younger than you, remember that it is not you and that it doesnt know what you know. 【解题导语】本文介绍了一本关于克隆知识的书。1Many bioengineering experts in movies are _. Ahumorous BwealthyCserious Dcraz
11、y解析：选C推理判断题。从第一段中的“unlike similar scientists you have seen in the movies, they both have a sense of humor”可知，电影中的生物工程学家一般都是没有幽默感的，应该比较严肃。2Which of the following things are in the book How to Defeat Your Own Clone?aWhat DNA and its purpose are. bWho is against cloning. cThe history of cloning. dThe m
12、yths about cloning. eThe disadvantages of cloning. Aa，b，e Ba，c，dCb，d，e Db，c，d解析：选B细节理解题。从第二段中的“The book not only helps us get a basic understanding of what DNA and its purpose are .The authors provide a history of cloning”及第三段中的“The real fun starts when the authors attack various myths about cloning
13、. ”可知答案。3We can learn from the passage that biotechnology _. Ahas been banned in many countries around the worldBis being used to improve ones intelligence right nowCcan help improve the physical condition of future generationsDis sure to cure any disease in the near future解析：选C推理判断题。从第四段中的“genes ca
14、n be controlled to help you sleep better and become smarter, healthier, and taller. Well .not exactly you, but future generations”可知，C项正确。4According to the passage, a clone of you _. Awill want to kill youBknows whatever you knowChas no belly buttonDwill be younger than you解析：选D细节理解题。从最后一段中的“who wil
15、l be considerably younger than you”可知，D项正确。. 完形填空Its a sad and familiar sentence from a beggar that we often hear. Usually, when asked“Can you spare some 1 ？”， Ive been struck with a feeling of 2 if I passed by without giving a coin or two. My conscience was hurt again when I was making a 3 in Venic
16、e in 2006. I was sitting in a quiet cafe. Outside the cafe on the street was an old woman on her knees， 4 . Steady streams of 5 were walking past her. A young backpacker stood away from the crowd drinking something. But I noticed he was also 6 the woman. She knelt motionlessly，her head almost touchi
17、ng the ground, a worn blanket providing little 7 against the cold. The sight was especially 8 when compared with the signs of the 9 city around her. A tourist group hurried along the street， 10 at the woman and walked on. Another group of tourists arrived， 11 again, walked past her. The backpacker w
18、atched. Then, as I prepared to leave, I stopped at the sight of the backpacker 12 and placing some money in the womans cup. He did this rather 13 ， just before the arrival of another tourist group. I watched 14 the leader of the group stopped and put some money in the cup. With the young man 15 the
19、way, other tourists followed suit. The young backpacker 16 this process in front of the next tour group going past. Once again, the subtle peer(同伴) pressure 17 on the tourists, who all added coins to the cup. His work done, the young man walked over to the old beggar woman and said，“I hope that 18 a
20、 bit. ”I placed some money in the womans cup and 19 my tour lighthearted after witnessing such a 20 act of caring. 【解题导语】生活中常常会遇到乞丐，你是怎么对待他们的呢？本文的故事会给你一个启示。1A. time BeffortCchange Dreward解析：选C根据上文的“Its a sad and familiar sentence from a beggar that we often hear. ”可知，此处指乞丐要钱，故选change“零钱”。time “时间”；e
21、ffort“努力”；reward“回报”。2A. satisfaction BguiltCanger Dpleasure解析：选B根据语境可知，此处指作者如果不给乞丐一些钱就会有愧疚感，故选guilt“内疚”。satisfaction“满意”；anger“气愤”；pleasure“快乐”。3A. lecture BreportCstudy Dtour解析：选D从下文细节“A tourist group”可知，作者是在威尼斯旅行，故选tour“旅行”。lecture“演讲”；report“报告”；study“研究”。4A. crying BbeggingCsinging Ddancing解析：选
22、B根据下文游客给她零钱的细节可知，这个老妇人在行乞，故选begging“乞讨”。crying“哭”；singing“唱”；dancing“跳舞”。5A. passengers BcustomersCtourists Dforeigners解析：选C从下文“A tourist group hurried along the street， 10 at the woman and walked on. Another group of tourists arrived”可知，此处意为游客像流水一样流过她的身边，故选tourists“游客”。passengers“乘客”；customers“顾客”；
23、foreigners“外国人”。6A. ignoring BservingCobserving Dfollowing解析：选C从下文背包客巧妙地让更多人给老妇人钱的细节可知，此处意为他一直在观察她，故选observing“观察”。ignoring“忽视”；serving“服务”；following“跟随”。7A. protection BpreventionCpreparation Dpresentation解析：选A根据下文“against the cold”可知此处应填protection“保护”。prevention“防止”；preparation“准备”；presentation“展示
24、”。8A. frightening BtouchingCfascinating Dinteresting解析：选B根据下文“when compared with the signs of the 9 city around her”可知，此处应填touching“打动人的”。9A. peaceful BnoisyCwealthy Dprimitive解析：选C从上文描写老妇人的穷困，与本句的“when compared with”可知，此处应填wealthy“富裕的”。10A. glanced BlaughedCshouted Dstared解析：选A从上文“A tourist group h
25、urried along the street”可知，这些匆忙的游客对老妇人只是一瞥，故选glance“瞥一眼”。laugh“笑”；shout“喊”；stare“盯”。11A. unless BsoCbut Dor解析：选C根据语境，可知此处指的是一群游客来了，可是又从她身边过去了，表作者的遗憾之意，上下句间为转折关系，故选but。12A. looking around Bstepping forwardCgetting about Dbreaking in解析：选B从下文“and placing some money in the womans cup”可知，此处动作为迈上前去，故选step
26、ping forward。look around“环顾”；get about“四处走动”；break in“闯入”。13A. secretly BcarelesslyCdeliberately Deagerly解析：选C根据下文“just before the arrival of another tourist group”可知，此处为故意地，故选deliberately。secretly“秘密地”；carelessly“粗心地”；eagerly“渴望地”。14A. since BbeforeCafter Das解析：选D根据语境可知，此处指的是作者正看着时，游客中的领队停下来，向杯里放了些
27、钱，故选as。15A. showing BpushingClosing Dpointing解析：选A根据上文背包客先放钱的细节可知，年轻人做出了样子，别的人都照做了，故选showing。16A. stopped BvaluedCmade Drepeated解析：选D根据语境可知，背包客在另一队游客过来时又重复了这一动作，故选repeated。stop“停止”；value“估价”；make“做”。17A. moved BreliedCworked Dcarried解析：选C根据语境可知，同伴压力在游客身上起作用了，故选worked。其他选项均不符合语境。18A. helps BmattersCc
28、ounts Dimproves解析：选A根据语境可知，此处指的是背包客希望自己的行为能够有帮助，故选helps。matter“要紧”；count“有价值”；improve“提高”。19A. cancelled BcontinuedCstarted Ddelayed解析：选B根据语境可知，此处指的是作者继续自己的旅程，故选continued。cancel“取消”；start“开始”；delay“延迟”。20A. funny BsmartCsimple Dmodest解析：选B从作者的语气中可知，他对背包客的行为非常赞赏，故选smart“聪明的”。. 短文改错My father and I sta
29、yed at the South Lake Hotel for a week when we visit Beijing last month. It is in the downtown area，but it is easy to go to anywhere from the hotel by public transport. We lived in a comfortably doubleroom with a big bath. What I liked best were the free highspeed Internet connection in the room. I
30、checked my email messages every day. I also shared for my friends many photos taking in Beijing. The food was wonderful with reasonable prices，and we enjoyed several local dish. It is such great hotel that I would recommend it to any friend of me who is going to Beijing. 答案：My father and I stayed at
31、 the South Lake Hotel for a week when we Beijing last month. It is in the downtown area， it is easy to go to anywhere from the hotel by public transport. We lived in a doubleroom with a big bath. What I liked best the free highspeed Internet connection in the room. I checked my email messages every day. I also shared my friends many photos in Beijing. The food was wonderful with reasonable prices，and we enjoyed several local . It is such great hotel that I would recommend it to any friend of who is going to Beijing.
