陕西省 2015 高考英语人教版一轮课时作业及解析：选修 8 Unit 2课时作业(三十七) 选修 8 Unit 2 Cloning.语音知识1luggageAindicate Bcomfortable Cnational Dvillage2recommendAcross Bposition Chobby Dmotherland3revisionAhistory Bfright Cfinal Dpolite4governAcage Bapology Chamburger Dlarge5viceAstrict Bexcellent Cchocolate Ddirector.单词拼写1People _(不同) from one another in their ability to handle stress.2The figures may not be _(精确地) right，but theyre close enough.3Scientists are hoping for a_(突破) in the search for a cure for cancer.4We have _(累积) agreat amount of evidence against him.5This is a book that is often mentioned in the_(媒体)6However，the problem that she later developed a serious lung disease_(打扰) scientists.7You should follow the normal procedure if you want to_(承担) the law case.8The scientists have made a breakthrough in the research to_(抵抗) the deadly disease.单项填空1(2014日照模拟)Dad，can we go to the shop？I want to buy some sweets._.Cant you see Im busy at the moment?ATake it easy BNo problemCForget it DDont mention it2(2014皖南八校高三第二次联考)I dont think the competition is_failure，because it has offered us_valuable experience for the next competition.A/；/ B/；aCa；/ Da；a3(2014黄冈质检)We havent seen each other for many years，so I am quite_the plan that we have a party this weekend.Ain place of Bin favor ofCin honor of Din need of4(2014宝鸡二检)Evidence came up_special speech sounds can be recognized by babies as young as 6 months old.Awhat BwhichCthat Dwhose5(2013皖南八校第二次联考)Singing with Sun Yang，the swimming champion，face to face is an unforgettable moment，_the little girl always treasures. Aone BthisCthat Dit6(2013江苏南通第二次调研)Could you tell me something about the virus，Dr Smith?Sure.It_via the bloodstream and causes ill health in a variety of organs.Aconcentrates BcirculatesCaccumulates Daccelerates7(2014马鞍山模拟)As is wellknown，everyone is forbidden_in buses，regardless of what they are.Ato smoke BsmokingCto be smoking Dto smoking8(2014绍兴高三质检)The reason why I object to_with Mr Black in the same office is that he is a heavy smoker.Awork Bbe workingCworking Dbeing worked9(2014淄博模拟)The major of maths or computer science can usually give you the_to an employee in a bank.Aregulation BqualificationCprofession Doccupation10(2010湖北卷)If I find someone who looks like the suspect，my_reaction will be to tell the police.Aphysical BimmediateCsensitive Dsudden11I wasnt blaming anyone；I_said errors like this could be avoided.Amerely Bmostly Crarely Dnearly12Its reported that theres_big breakthrough in the cancer treatment.If only my son could be brought back to_life!Aa；/ B/；aCthe；the Da；the13(2014山东临沂模拟)Mum，I cant see any point in studying hard.Come on，dear.Years of hard study will surely_in your future career.Amake sure Bpay offCbring back Dpay back14(2014辽宁五校第一联合体高三考试)_who had arrested him three times for carrying drugs.ABefore George stood the policemanBBefore George the policeman stoodCBefore the policeman stood GeorgeDBefore George did the policeman stand15(2014太原一模)Our holiday cost a lot of money.That doesnt matter_you enjoyed yourselves.Aso long as BunlessCeven though Dwhile.阅读理解A (2014福建省高三九校第二次联考)Many people think of the brain as a mystery.They dont know much about intelligence and how it works.When they do think about what intelligence is，many people believe that a person is born smart，average，or dumband stays that way in the whole life.But new research shows that the brain is more like a muscleit changes and gets stronger when you use it.And scientists have been able to show just how the brain grows and gets stronger when you learn.Everyone knows that when you lift weights，your muscles get bigger and you get stronger.A person who cant lift 20 pounds when he/she starts exercising can get strong enough to lift 100 pounds after working out for a long time.Thats because the muscles become larger and stronger with exercise.And when you stop exercising，the muscles shrink and you get weaker.Thats why people say “Use it or lose it！”But most people dont know that when they practice and learn new things，parts of their brain change and get larger a lot like muscles do when they exercise.Inside the cortex (皮层) of the brain are billions of tiny nerve cells，called neurons.The nerve cells have branches connecting them to other cells in a complicated network.Communication between these brain cells is what allows us to think and solve problems.When you learn new things，these tiny connections in the brain actually multiply and get stronger.The more you challenge your mind to learn，the more your brain cells grow.Then，things that you once found very hard or even impossible to dolike speaking a foreign language or doing algebra (代数)seem to become easy after lear