高中英语第十七单元过关检测北师大版选修6

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1、第十七单元过关检测（时间:90分钟满分:120分）I•阅读理解（共12小题；每小题2.5分，满分30分）阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。A（导学号52050021）Canyouimagineaworldwithoutchocolate?lt'snotsomethingI'dliketodo.SoIwasrelievedtoreadthatthere'sauniversitywithaprogrammetosafeguardthefutureofchocolate!TheUnive

2、rsityofReading,inEngland,hasjustopenedanewclearinghouseforalltheworld'snewcocoavarieties.Theymustbequarantined（B鬲离检疫）beforetheycanbegrown.Why?Cocoaproduct!onhitarecordhighof4.4milliontonslastyearbutabout30%ofthepreciouscropswereregularlylosttopestsanddiseases.N

3、owwedon,twantthat,dowe?Demandforchocolatehasbeenincreasingfasterthantheworldsupplyofcocoaandresearchersthinkthatnewvarietiesarekeytosolvingthisproblem.TheUniversityofReadinghasbeenprotectingthequalityofthenewcropssince1985,afterittookoverthetaskfromtheRoyalBota

4、nicalGardensinKew,London.Andithasimproveditsfacilities.Theleaderoftheinstitution'scocoaproject,ProfessorPaulHadley,says,“Oneofthemainissuesconcerningcocoaimprovementisthesupplyofreliablyclean,healthy,interestingcocoamaterial."Thecocoacentrehasacollectionof400pl

5、antvarietiesandtheirgreenhouseusesalotofenergytokeepthemintropicalconditions.Afteruptotwoyearsinquarantine,cleanandsafeseedsaresenttosome20count「ies,includingseveralinWestAfrica.That'swhere75%ofthecocoausedforchocolateworldwidecomesfrom.Thecropsareextremelyimpo

6、rtantforthelocaleconomy:theyemployabouttwomillionpeople.ProfessorHadleysaysheworkswithasmallteamofskilledtechnicianswholookafterthecollection.Andmoreofusseemtocountonthemnow.Thescientistsays,"Thereissomeconcernwithintheindustrythatdemandisincreasingconstantly,p

7、articularlyincountrieslikeChina,wherethestartdardoflivingisincreasingandpeoplearegettingatastefordifferentchocolate・"1.Whatisthetextmainlyabout?A.Safeguardingcocoaseeds.B.PIantingcocoaworldwide.C.Keepingcocoaingreenhouse.D.Findingthenewmarketforcocoa・提示k旨大意题。全文

8、描述的是如何保护可可种子的问题。第一段是文章的中心段落。2.Theinstitution'scocoaprojectisto.A.havecocoaskinremovedB.offermorejobstopeopleC.ensurethequalityofcocoaD.supplycocoafortwomillionpeople提茶亚理判断题。