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1、【积极备考】2012高二英语专题综合演练：Unit 2 Cloning 单元强化训练 （新人教版选修8全国通用）.单词拼写1.The first editions of these books are now almost impossible to o_.2.He cant _（抗拒的诱惑）ice creams.3.They bought that house at a_（合理的）price.4.So the chance of dinosaurs ever returning to the earth is m_ a dream.5.My main o_ to the plan is th
2、at it costs too night.单项填空3.In the past the respect for teachers was driven by the belief _ they were reliable sources of knowledge.A.whatB.thatC.whyD.whether5.Although metals _ widely in qualities,such as strength and hardness,they all have certain qualities in _.A.vary;generalB.differ;commonC.reac
3、t;particularD.refer;details6.The _ of that school is too strict to be obeyed.A.permissionB.allowanceC.regulationD.accuracy9.Evidence has been piled up_ drinking water after getting up in the morning contributes to ones health.A.whatB.whichC.ifD.that12.Just as Alan M.Eddison_it “Modern technology_eco
4、logy an apology.”A.says；owesB.puts；makesC.put；owesD.said；owe13.Cheer up and be brave,as you know,opportUnities always _those with courage.A.noticeB.favorC.glanceD.watch14.When the wounded soldier woke up in the hospital, he found himself _ by doctors and nurses.A.surroundedB.to surroundC.to be surro
5、undedD.surrounding.完成句子1.The school _ _ _ _ _ （禁止学生吸烟）.2.All efforts to rescue the boy with cancer were _ _（白费，徒劳无功）.3.He worked as a guard after _ _ _ （退役）.4. _ _ _ _ （劳驾） and turn the radio down while Im on the phone，will you？5.With the help of his father he _ _ all the _ （还清债务）.阅读理解ADr Thomas Fri
6、eden, director of the US Centers for Disease Control and Prevention, said the study matches the CDC s own observationsthat H1N1 affects all age groups, including people over 65. “It does emphasize that providers should think of H1N1 influenza in all age groups,” he said.Frieden said the new findings
7、 do not change the CDC s recommendations for vaccination (接种疫苗), which focus on younger people, those with underlying conditions such as asthma and pregnant women. What it does suggest is that doctors need to be aware of the risks to their older patients if they do become infected,Louie said.“One of
8、 the ideas we ve been trying to dispel (消除) is that this is a mild disease,” she said in a telephone interview.“In this paper, 30 percent of patients required intensive care. ” Overall, 11 percent of people who were hospitalized died, but among people 50 and older, 18 to 20 percent died.Louie said i
9、n California, the flu has caused shortages of antiviral drugs and of N95 respirator masks.1.The CDC recommended that _ be vaccinated against H1N1 flu.A.healthy babiesB.women who are about to be delivered of a childC.old people over 70 years oldD.obese men4.We can infer that _.A.viral pneumonia is a
10、kind of drugB.the fat people are less likely to become affected with H1 N1 fluC.it is very hard to get N95 respirator masks in CaliforniaD.H1N1 flu only affects young people5.What does the author mainly tell us?A.H1N1 flu is not just a threat to young people.B.H1N1 flu poses a special threat to obes
11、e women.C.CDCs recommendations for vaccination.D.H1N1 flu and seasonal flu.BWith only about 1,000 pandas left in the world,China is desperately trying to clone the animal and save the endangered species.Thats a move similar to what a Texas A&M University researchers have been undertaking for the pas
12、t five years in a project called “Noahs Ark”.Noahs Ark is aimed at collecting eggs,embryos(胚胎),semen and DNA of endangered animals and storing them in liquid nitrogen.If certain species should become extinct,Dr.Duane Kraemer,a professor in Texas A & Ms College of Veterinary Medicine,says there would
13、 be enough of the basic building blocks to reintroduce the species in the future.It is estimated that as many as 2,000 species of mammals,birds reptiles will become extinct in over 100 years.The panda,native only to China,is in danger of becoming extinct in the next 25 years.This week,Chinese scient
14、ists said they grew an embryo by introducing cells from a dead female panda into the egg cells of a Japanese white rabbit.They are now trying to implant the embryo into a host animal.The entire procedure could take from three to five years to complete. “They are trying to do something thats never been done,and this is very similar to our work in Noahs Ark.Were both trying to save animals that face extinction.I certainly appreciate their effort and theres a lot we can learn from what they are attempting to do.Its a research that is very much needed.”
