1、Unit 2 CloningPeriod 1.词汇基础A单词拼写1As we know，they d_with you on this subject.2He is，to be e_，sixteen years old，and is not old enough to join the army.3The essay was written by me recently；please make c_.4I would like to smoke，if you have no o_.5We want to sign a written_ (商业的) contract with your comp
2、any.【答案】1.differ2.exact3.corrections4.objectionmercialB句型转换1That firm is looking for a new engineer.At present the salary they will offer has been left open.That firm is looking for a new engineer._ _ _ _， the salary they will offer has been left open.2All parents should forbid what is unhealthy for
3、 their child.All parents should _ _ what is unhealthy for their child.3It happened that Tom was singing in the next room.Tom _ _ be singing in the next room.4On the whole, Im in favour of the plan.On the whole, Im _ the plan.5I dont object to us going home from work early.I dont _ us going home from
4、 work early.【答案】1.For the time being2.not permit3.happened to4for5.opposeC根据所给提示将下列句子翻译成英语1经理说的话使他沮丧。(cast down)_2就算你给他更多的钱，他也还不清债务。(pay off)_3我看不出他们彼此有什么不同，在我看来，他们确实很相像。(differ)_4互联网使得人们可以在家容易地获取信息。(obtain)_【答案】1.He was cast down by what his manager said.2Even if you gave him more money, he might n
5、ot pay off the debt.3I can not see where they differ from each other: to me, they look exactly alike.4The Internet has made it easy for people to obtain information at home.能力提升A阅读理解阅读下面短文，从每题所给的A、B、C和D四个选项中，选出最佳选项。Authors Kyle Kurpinski and TerrydJohnson pretty much have me convinced that human clo
6、ning is quite possible and is a future certainty.Kurpinski and Johnson are both bioengineering experts；unlike similar scientists you have seen in the movies，they both have a sense of humour.What surprises me is that Kurpinski and Johnson are able to take something as complicated as DNA and make it u
7、nderstandable.The book How to Defeat Your Own Clone teaches us what 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
8、细胞) research.It occurs to me that a lot of people who are against 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 pe
9、ople have been watching too many bad movies and television 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 a
10、ct as you do，that heads which are cut off can be 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 beco
11、me smarter，healthier，and taller.Wellnot 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.()1.Many bioengineering experts in movies are_.AhumorousBwealthyCse
12、rious Dcrazy()2.Which 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 myths about cloning.eThe disadvantages of cloning.Aa，b，e Ba，c，dCb，d，e Db，c，d()3.We can learn from the passage that biotechnolo
13、gy_.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()4.The passage was written mainly to_.Apredict the future of cloningBintroduce two
14、 bioengineering expertsCreview a book on cloningDprotest against movies about cloningB七选五阅读根据短文内容，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。 Writing a BlogIve been keeping an English blog for many years.These practical tips have helped me over the course of my blogging. Read quality books，blogs，journals，etc
15、.that are written in English.Blogging is not always about writing._1_Reading also improves your English comprehension，grammar，spelling，vocabulary and writing. Practice helps，so continue writing.Dont be scared to make mistakes._2_ Trying to make the perfect post free from grammar and spelling mistake
16、s is good but youre not making use of your time efficiently. _3_Think about the main points you want to raise.Call it old fashion but I prepare an outline of my post and a list of the points I want to talk about.Doing this has helped me stay on track and focus on my main points.The outline and the l
17、ist of points I want to write about serve as my guidelines when Im writing. When writing，use simple words and sentences.Using simple sentences makes your job as a blogger easier._4_Always remember this：Your aim to write is to send your message across and the only way to become an effective writer is
18、 when you successfully convey(传递) your message to your readers. Write your posts ahead of time._5_ To free yourself from the pressure of making a post on daily basis，which might affect your writing，consider making your post ahead of time.APrepare an outline of your post.BWelcome comments from your b
19、log readers.CAlso，it makes your post more understandable by your readers.DMistakes can be reduced with the help of your readers.EYou need to read to be able to put substance into your post.FInstead of worrying about making mistakes，use your time to write.GThere are benefits of daily blogging but if it becomes tiring，forget about it.【答案】A.14CBCCB15EFACG