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doc 2019-2020年高考英语一轮复习第一部分教材课文要点Module5Cloning夯基提能作业外研版选修 Ⅰ.阅读理解   阅读下列短文,从每题所给的A、B、C和D四个选项中,选出最佳选项。 A (xx课标全国Ⅱ,D) When a leafy plant is under attack, it doesn’t sit quietly. Back in 1983, two scientists, Jack Schultz and Ian Baldwin, reported that young maple trees getting bitten by insects send out a particular smell that neighboring plants can get. These chemicals e 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 volatile organic pounds, 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 others 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 bees lunch.  In study after study, it appears that these chemical conversations help the neighbors. The 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 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 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. 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. 3.Scientists find from their studies that plants can   .  A.predict natural disasters B.protect themselves against insects C.talk to one another intentionally D.help their neighbors when necessary 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 plex than it seems. D.People in Darwin’s time were more imaginative. B (xx福建泉州一中模拟,C)   “De-extinction”,the idea that extinct(绝种的)animals can be brought back through cloning or genetic(基因的)engineering,has attracted the interest of a small group of scientists.The topic has made the cover of National Geographic Magazine.Supporters say they are doing it for moral reasons,because we“miss”the extinct animals.They blame human exploitation (such as trapping,hunting,habitat destruction) of the extinct animals,but their plans,though they sound exciting,are exploitation in another form.  Considering the imperfect science of cloning,de-extinction would cause animals’ suffering.Most animals born in such experiments would suffer serious diseases,dying soon after birth or having a shortened lifetime.Spanish and French scientists worked for years to bring the Pyrenean ibex,a species of wild goat,back from extinction by cloning.In xx,they succeeded only in producing a sick baby goat that died 10 minutes after birth.For these animals to be born,other animals would live in captivity,in a lab or elsewhere,and serve as mother substitutes(代用品),routinely having operations as part of the cloning process.For example,elephants would be kept in captivity to carry woolly mammoth(猛犸)babies for nearly two years.Such experiments often lead to other animals’ unhappiness as well. If extinct animals are successfully brought back,where would they go?Their original habitats have developed and changed without them.They are unlikely to survive in the natural environment,but,if they do manage to survive,they will affect their environment in unpredictable ways,presenting a new threat to the ecological system.If the animals born through de-extinction are stuck in zoos and museums instead,what good is that?It is exploitation,not a solution. It would be better to apply creative thinking about protection to the real-life problems of today’s world.De-extinction takes attention away from the difficult situation of endangered animals.Discussions about woolly mammoth cloning do nothing to stop the illegal killings of endangered wild African elephants.Money would be better used to prevent human conflict with wildlife and their ecosystems. Let’s keep de-extinction in the world of science fiction,learn from our failed past,and protect wild animals and their habitats for the future. 5.The underlined word“it”in Paragraph 1 refers to“   ”.  A.de-extinction B.cloning or genetic engineering C.exploitation D.National Geographic Magazine 6.In Paragraph 2, examples are given to show that   .  A.modern elephants are related to woolly mammoth B.scientists should improve the cloning process C.de-extinction does harm to some animals D.it’s possible to bring back extinct animals 7.What might happen if extinct animals e back to the wild? A.The problem of extinction will be solved. B.They will live in their original habitats. C.The balance of nature may be disturbed. D.More endangered animals will be saved. 8.According to Paragraph 4,de-extinction may   .  A.prevent the illegal killings of African elephants B.make people care less about endangered animals C.prevent the conflict between humans and animals D.raise public awareness of protecting animals 9.What’s the author’s attitude towards “de-extinction”? A.Disapproving. B.Doubtful. C.Supportive. D.Uncertain. Ⅱ.语法填空   阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。 In much of Asia, especially the so-ca

2019-2020年高考英语一轮复习第一部分教材课文要点Module5Cloning夯基提能作业外研版选修.doc

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