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1、Unit2CloningSecti onlll一Grammar 课后篇巩固探究 一、单句改错1. Do you know that of them will be our new headmaster? 答案that-*which2. I asked him that he had done it all himself or whether someone had helped him. 答案thatf whether3. I am very interested in what he has improved his English in such a short time. 答案what
2、 f how4. Why we need is more money. 答案 Why-What5. The report what he was going to resign was false. 答案whatf that6. There is no doubt whether Mr Smith will sign the contract with us. 答案whetherf that7. I have no idea how we can do with these waste materials. 答案hovwhat二、把下面的句子改为含有同位语从句的复合句1. We were ca
3、st down when we knew that our basketball team had been defeated. 答案The fact that our basketball team had been defeated cast us down.2. They are arguing about whether we can clone human beings.答案They are having an argument whether we can clone human beings.3. Everyone should believe that nature shoul
4、d never be destroyed.答案Everyone should have the belief that nature should never be destroyed.4. She has promised to make experiments on cloning a monkey.答案 |She has made a promise that she will make experiments on cloning a monkey. 三、完成句子1. He told me the news （他所有的艰苦工作终于有了回报）.答案that all his hard wo
5、rk had finally paid off2. Some subjects,（例如数学和物 S）, are very difficult to learn.答案|such as maths and physics3. The problem （我们是否继续做这个实验）has been solved.答案whether we should continue to do the experiment4. （故事是这样的）Williani Tell killed the King with an arrow.答案The story goes that5. The suggestion （在公共场
6、所禁止吸烟）is necessary.答案 that smoking should be forbidden in public places6. We should consider the students request （学校图书馆应该提供更多的图书）on popular science. 答案 |that the school library provide more books 四、阅读理解When a leafy plant is under attack, it doesn, t sit quietly. Back in 1983, two scientists,Jack Sc
7、hultz and Ian Baldwin, reported that young maple trees getting bitten by insects send out a particular smell that neighboring plants can get.These chemicals come from the injured parts of the plant and seem to be an alarm. What the plants pump through the air is a mixture of chemicals known as volat
8、ile organic compounds, VOCs for short.Scientists have found that all kinds of plants give out VOCs when being attacked. It? s a plant s way of crying out. But is anyone listening?Apparently. Because we can watch the neighbors react.Some plants pump out smelly chemicals to keep insects away. But othe
9、rs do double duty.They pump out perfumes designed to attract different insects who are natural enemies to the attackers. Once they arrive, the tables are turned. The attacker who was lunching now becomes lunch.In study after study, it appears that these chemical conversations help the neighbors.The
10、damage is usually more serious on the first plant, but the neighbors, relatively speaking,stay safer because they heard the alarm and knew what to do.Does this mean that plants talk to each other?Scientists don t know. Maybe the first plant just made a cry of pain or was sending a message to its own
11、 branches, and so,in effect, was talking to itself.Perhaps the neighbors just happened to“overhear” the cry.So information was exchanged, but it wasn t a true, intentional back and forth.Charles Darwin, over 150 years ago, imagined a world far busier, noisier and more intimate （亲密的）than the world we
12、 can see and hear. Our senses are weak. There, s a whole lot going on.1. What does a plant do when it is under attack?A.It makes noises.B. It gets help from other plants.C. It stands quietly.D. It sends out certain chemicals.画细节理解题。根据第一段的“sendoutaparticularsmellthatneighboringplantscanget. Thesechem
13、icalscomefromth einjuredpartsoftheplant. n可知，当植物受到袭击时，它们会释放出某种化学物质。因此D 项正确。2. What does the author mean by “the tables are turned” in Paragraph 3?A. The attackers get attacked.B.The insects gather under the table.C. The plants get ready to fight back.D. The perfumes attract natural enemies.葬A丽词义猜测题。
14、前文说,有些植物释放出一些难闻的化学物质赶走害虫,而另一些植物会释 放出一些香味吸引这些害虫的天敌。一旦这些天敌到达，这些害虫就会受到攻击，因此 thetablesareturned的意思是“攻击者受到攻击”，故A项正确。3.Scientists find from their studies that plants can ,A.predict natural disastersB.protect themselves against insectsC. talk to one another intentionallyD.help their neighbors when necessar
15、y根据第四段可知,研究表明，植物们能保护自己不受害虫的侵袭。4. What can we infer from the last paragraph?A.The world is changing faster than ever.B.People have stronger senses than before.C.The world is more complex than it seems.D.People in Darwin, s time were more imaginative.ggc画推理判断题。文章最后一段说，150多年前,达尔文曾经设想一个比我们所看到和听到的更 加忙碌、更
16、加喧闹、更加亲密的世界。作者说，我们的感觉非常微弱，世界非常复杂。因此C 项正确。五、七选五阅读理解Develop “Sales” SkillsYou may not take a job as a salesperson after graduation. 1 That s because no matter who you are or what you do,you actually make certain types of ,sales” in daily life.For example, employees working for a company try to sell th
17、eir talents so they can land promotion and move up to the corporate ladder. Startup entrepreneurs （企业 家）often have to sell their ideas to investors and other partners to advance the process of growth.To some extent, we are all salespeople in life. 2, provided by the Entrepreneur magazine.A. 3Try to
18、lead your conversations with questions,no matter whether you re with family, friends or businesses. Asking good questions will not only show off your sense of modesty, but you may also receive key answers that you would not find out in normal circumstances.B. Change your views about salesInstead of
19、looking at salespeople with prejudice, start viewing the idea of sales in a totally different light. Sales is all about serving and helping others get to where they want to go. 4C. Be a master at solving problemsSolving problems smoothly means you can provide real value in the marketplace. This make
20、s you unique from everyone else. 5 When you start to solve problems and become known as a problem solver,both your work and life will transform.A. Always lead with questionsB.Here are three ways to become a more polished oneC.Identify Your Sales PersonalityD. In sales, you only succeed when you help
21、 others succeed.E. The more practice you get,the better you 11 be.F.Direct all of your time and energy toward solving real problems.G. But learning something sales skills can help you a lot,both in life and in your career.答案5 GBADF六、完形填空（2020 全国 I ）Since our twins began learning to walk, my wife and
22、 I have kept telling them that our sliding glass door is just a window. The is obvious. If we 2it is a door,they 11 want to go outside 3. It will drive us crazy. The kids apparently know the 4. But our insisting it s 5a window has kept them from 6 millions of requests to open the door.I hate lying t
23、o the kids. One day they 117and discover that everythingthey ve always known about windows is a 8.I wonder if 9should always tell the truth no matter the 10, I have a very- strong 11that the lie we re telling is doing 12damage to our children. Windows and doors have 13metaphorical（比I喻）meanings. Im t
24、elling them they can t open what they absolutely know is a door. What if later in 14they come to a metaphorical door, like an opportunity （机会）of some sort, and 15opening the door and taking the opportunity, they just 16it and wonder, “What if it isn t a door?” That is, “What if it isn t a 17opportun
25、ity?”Maybe it s an unreasonable fear. But the 18is that I shouldn t lie to my kids. I should just 19repeatedly having to say, No We can t go outside now. Then when they come to other doors in life, be they real or metaphorical, they won t 20to open them and walk through.1答案C 解如自从双胞胎刚开始学走路，“我”和妻子就不停地
26、告诉他们“我”们家的滑动玻璃门只 是一扇窗子。理由（reason）是显而易见的。reason “理由；relief 安慰；target 目 标”；case “事件”。故选C项。2答案A 解析如果“我”们承认（admit）滑动玻璃门是一扇门，他们会不断地想出去。admit “承 认“；believe “相信”；mean “意思是；realize “认识到。故选A项。 3答案出解析参见上题解析。constantly ”重复不断地”；gradually “逐渐地；temporarily 暂时 地”；casually “偶然地”。故选B项。4答案|D画根据下文可知，孩子们显然知晓(事情的)真相(tru
27、th)。truth “真相” ;result 结 果；danger “危险”；method “办法”。故选D项。5”mywifeandlhavekeptteningthemthatourslidingglassdoorisjustawindow. ” 中的 just可得到提示。merely “仅仅”；slightly “稍微”；hardly “几乎不；partly “一定程度 上”。故选A项。6答案|D画但是“我”们坚持说那仅仅是一扇窗子，这使得他们放弃了尝试(attempting)开门的请 求。attempt 尝试；review “复习”；approve ”同意；receive 收到。故选
28、D 项。7. A. win out B. give upC. wake upD. stand out画“我”讨厌对孩子说谎,有朝一日，孩子们会醒来(wakeup),并发现他们关于对窗户的认 知是一个谎言。wakeup “醒来”；winout “胜出；giveup 放弃；standout “脱颖而出”。 故选C项。8答案|B解析从上文“I析telyingtothekids. ”可得到提示。lie “谎言”；dream “梦 想”；fantasy “幻想”；fact “事实”。故选B项。9答案|A画“我”想知道父母(parents)是不是应该不管结果如何，总是告诉孩子们事情的真相。故 选A项。10
29、答案|D解近不管结果(consequences)如何，总是告诉孩子们真相。consequence 结果；restriction “约束”；explanation 解释；difference 差异。故选 D 项。11答案出姓画“我”有一种非常强烈的担心(fear), “我”们说的谎话会给孩子们带来精神上的伤害。 最后一段第一句Maybeit sanunreasonablefear. 是个提示。故选B项。12答案|C解析参见上题解析。spiritual “精神的；physical “身体的；biological “生物 的；behavioral 行为的”。故选C项。13答案|BSg “窗”和“门”
30、都有重要的(important)比喻含义。故选B项。14答案|A画此处表示如果他们日后生活(life)中遇到比喻含义的“门”。由下文 uThenwhentheycometootherdoorsinlife, betheyrealormetaphorical, theywon, t 20toopenthemandwalkthrough. 也可得到提示。故选 A 项。15. A. by comparison withB. in addition toC.regardless of D.instead ofggD解析而不是(insteadof)打开门去把握机会。insteadof 而不 是“；byc
31、omparisonwith 同比较起来；inadditionto 除之外(还) ；regardlessof 不管，不顾”。故选D项。16. A. get hold of B. stare atC.knock onD. make use of画孩子们只是瞪着眼睛凝视(stareat),并疑惑“那如果不是一扇门会怎样？ stareat “瞪 着眼睛凝视；getholdof “抓住”；knockon “敲击”；makeuseof 利用。故选B项。答案|A画那如果不是真的(real)机会会怎样?故选A项。17. A. safety rule B. comfort zoneC. bottom line
32、D.top secretggc丽或许这是一个不合理的担心,但底线(bottomline)是“我”不应该对孩子们说谎。bottomline 底线；safetyrule “安全规则；comfortzone “舒适区”；topsecret “绝 密”。故选C项。19答案|D画“我”应该接受(accept)反复强调不，我们现在还不能出去。accept 接 受；delay “延迟”；regret “后悔”；enjoy “享受”。故选D项。20答案|C画当他们在生活中遇到其他的门时,无论是真实的门还是比喻意义上的门，他们都不会犹豫 不决,而会勇敢打开并成功跨越。hesitate “犹豫”；hurry “匆忙”；decide 决 定；intend “打算。故选C项。