外研版高中英语选修八综合能力测试.doc

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1、综合能力测试1备课人：马冬梅备课时间：学习目标：知识与技能：检测学生综合阅读能力过程与方法：定时训练情感态度于价值观：培养学生热爱读书，以读书为乐知识链接：以前的相关阅读知识学法指导：怎样作到有效阅读学习过程AMedicinecomesinlotsofdifferentpackages.Painkillersinatabletcanmakeyourheadachegoaway.Antibioticcreamfromatubecanpreventyourcutsfrombecominginfected.Butcanmedicinecomepack

2、agedinchickeneggs?AteamofscientistsfromScotlandsaysyes.They’veengineeredspecialchickensthatlayeggswithdisease-treatingdrugsinside.Thesedrugsaremadeofmoleculescalledproteins.Animalsmakethousandsofproteins—they’rethemainingredient(成分)inskin,hair,milk,andmeat.Sinceanimalscanmak

3、eproteinseasily,they’regoodcandidatesformakingproteindrugs.Researchershavealreadymadecows,sheep,andgoatsthatpumpoutproteindrugsintheirmilk.Butchickensarecheapertotakecareof,needlessroom,andgrowfasterthantheseotheranimals.Thosequalitiescouldmakechickensabetterchoicetobecomeli

4、vingdrugfactories,saysSimonLillicooftheRoslinInstitutenearEdinburgh,Scotland.Lillicoandateamofresearcherschangedchickens’DNA—thecodethattellscellshowtomakeproteins—sothatthebirds’cellsmadetwoproteindrugs.Onedrugcantreatskincancer,andtheothertreatsanervediseasecalledmultiples

5、clerosis.Thescientistsalteredthechickens’DNAsothatthebirdsmadethesedrugsonlyintheireggwhites.Thisprotectsthechickens’bodiesfromthedrugs’possibleharmfuleffectsandmakesiteasyforscientiststocollectthedrugs.Thesespecialchickenscanpassontheirdrug-layingabilitiestotheirchicks.Sofa

6、r,theScottishresearchershavebredfivegenerationsofdrug-producingbirds.Thescientistsneedtoimprovethesechickensbeforetheyroostindrugcompanies’labs.Thebirdsdon’tmakeenoughdrugstotreatpeopleyet.Butoncetheresearchersperfecttheirtechnique,youmighteventuallytakeyourmedicinesunny-sid

7、eup.36.Traditionally,medicinecomespackagedexcept_______.A.inatabletB.inabottleC.inachickeneggD.inatube37.Whichofthefollowingisnotthereasonwhyresearchershavechosenchickensasdrugproducers?A.Peoplecansavemoneybydoingthat.B.Chickensarestrongenoughtoproducedrugs.C.Chickenscanbera

8、isedinashorterperiodoftime.D.Chickenstakeuplessroom.38.Accordingtothepassag