搜考试答案使用：华医网题库网站（gongxuke.net）
________
A、orexample,ifyourcomputerhastwodiskettedrives,oneiscalleddriveA,theotheriscalleddrive
B、Theharddiskdriveisbuiltintoyourcomputer.
C、Thekeytosuingyourharddiskeffectivelyisthewayyoustoreyourinformation.
D、The5.25inchdisketteisthinandflexible.
E、TheAAAcomputercomeswithadiskettethatuses3.5inchdiskettes.
F、diskettedriveusesaremovablediskette,whichhaslessstoragespacethanaharddisk.
正确答案：公需科目题库搜索
答案解析：答案选B。空格前面、后面都出现了关键词aharddiskdrive，与B项前后意思一致。
Whatstillremainsunclearaboutants,accordingtothelastparagraph?
A、Whatrolesdoantsplayintheecosysteminwhichtheylive?
B、Howdoantsaffecttheanimaldiversityinagivenecosystem?
C、Howdohumanactivitiesaffectants’influenceonagivenecosystem?
D、Howdoantsalterthephysicalandchemicalenvironment?
正确答案：公需科目题库搜索
答案解析：答案选C。最后一段的第二和第三句提供了答案。第二句告诉我们，蚂蚁极易受人类的影响(theseorganismsarehighlyresponsivetohumanimpact)，第三句告诉我们，科学家还不清楚人类对蚂蚁这种干扰如何破坏蚂蚁对生态系统的维护作用(itisnotclearhowsuchdisturbancedamagesthemaintenanceofantservicestothee
________
A、orexample,ifyourcomputerhastwodiskettedrives,oneiscalleddriveA,theotheriscalleddrive
B、Theharddiskdriveisbuiltintoyourcomputer.
C、Thekeytosuingyourharddiskeffectivelyisthewayyoustoreyourinformation.
D、The5.25inchdisketteisthinandflexible.
E、TheAAAcomputercomeswithadiskettethatuses3.5inchdiskettes.
F、diskettedriveusesaremovablediskette,whichhaslessstoragespacethanaharddisk.
正确答案：公需科目题库搜索
答案解析：答案选E。空格后面出现了关键词YourAAAcomputeralso，与E项意思一致。
________
A、orexample,ifyourcomputerhastwodiskettedrives,oneiscalleddriveA,theotheriscalleddrive
B、Theharddiskdriveisbuiltintoyourcomputer.
C、Thekeytosuingyourharddiskeffectivelyisthewayyoustoreyourinformation.
D、The5.25inchdisketteisthinandflexible.
E、TheAAAcomputercomeswithadiskettethatuses3.5inchdiskettes.
F、diskettedriveusesaremovablediskette,whichhaslessstoragespacethanaharddisk.
正确答案：公需科目题库搜索
答案解析：答案选A。空格后面出现了关键词driveC，与A项中的driveA,driveB相连续。
________
A、orexample,ifyourcomputerhastwodiskettedrives,oneiscalleddriveA,theotheriscalleddrive
B、Theharddiskdriveisbuiltintoyourcomputer.
C、Thekeytosuingyourharddiskeffectivelyisthewayyoustoreyourinformation.
D、The5.25inchdisketteisthinandflexible.
E、TheAAAcomputercomeswithadiskettethatuses3.5inchdiskettes.
F、diskettedriveusesaremovablediskette,whichhaslessstoragespacethanaharddisk.
正确答案：F
答案解析：答案选F。空格前面出现了关键词adiskettedrive，由此判断选F。
________
A、orexample,ifyourcomputerhastwodiskettedrives,oneiscalleddriveA,theotheriscalleddrive
B、Theharddiskdriveisbuiltintoyourcomputer.
C、Thekeytosuingyourharddiskeffectivelyisthewayyoustoreyourinformation.
D、The5.25inchdisketteisthinandflexible.
E、TheAAAcomputercomeswithadiskettethatuses3.5inchdiskettes.
F、diskettedriveusesaremovablediskette,whichhaslessstoragespacethanaharddisk.
正确答案：公需科目题库搜索
答案解析：答案选B。空格前面、后面都出现了关键词aharddiskdrive，与B项前后意思一致。
________
A、orexample,ifyourcomputerhastwodiskettedrives,oneiscalleddriveA,theotheriscalleddrive
B、Theharddiskdriveisbuiltintoyourcomputer.
C、Thekeytosuingyourharddiskeffectivelyisthewayyoustoreyourinformation.
D、The5.25inchdisketteisthinandflexible.
E、TheAAAcomputercomeswithadiskettethatuses3.5inchdiskettes.
F、diskettedriveusesaremovablediskette,whichhaslessstoragespacethanaharddisk.
正确答案：公需科目题库搜索
答案解析：答案选E。空格后面出现了关键词YourAAAcomputeralso，与E项意思一致。
________
A、orexample,ifyourcomputerhastwodiskettedrives,oneiscalleddriveA,theotheriscalleddrive
B、Theharddiskdriveisbuiltintoyourcomputer.
C、Thekeytosuingyourharddiskeffectivelyisthewayyoustoreyourinformation.
D、The5.25inchdisketteisthinandflexible.
E、TheAAAcomputercomeswithadiskettethatuses3.5inchdiskettes.
F、diskettedriveusesaremovablediskette,whichhaslessstoragespacethanaharddisk.
正确答案：F
答案解析：答案选F。空格前面出现了关键词adiskettedrive，由此判断选F。
Whatstillremainsunclearaboutants,accordingtothelastparagraph?
A、Whatrolesdoantsplayintheecosysteminwhichtheylive?
B、Howdoantsaffecttheanimaldiversityinagivenecosystem?
C、Howdohumanactivitiesaffectants’influenceonagivenecosystem?
D、Howdoantsalterthephysicalandchemicalenvironment?
正确答案：公需科目题库搜索
答案解析：答案选C。最后一段的第二和第三句提供了答案。第二句告诉我们，蚂蚁极易受人类的影响(theseorganismsarehighlyresponsivetohumanimpact)，第三句告诉我们，科学家还不清楚人类对蚂蚁这种干扰如何破坏蚂蚁对生态系统的维护作用(itisnotclearhowsuchdisturbancedamagesthemaintenanceofantservicestothee
Whatdoesparagraph6tellus?
A、ntsbringaboutanegativeinfluencetoanareawhentheirpopulationissmall.
B、ntsbringaboutapositiveinfluencetoanareawhentheirpopulationissmall.
C、nts’predationcounteractsthepositiveinfluencetheymayhaveonanarea.
D、thigherdensity,antsproduceapositiveinfluenceonanarea.
正确答案：公需科目题库搜索
答案解析：答案选B。短文第六段第二句的大概意思是，蚂蚁数量小(alowdensityofants)的话，能使其他动物的品种和数量增加(increasedthediversityanddensityofotheranimals)，从而给环境带来积极影响；第三句说，如果蚂蚁的数量大(Athigherdensities)，就不可能产生同样的影响，或者是相反的影响，这表明，蚂蚁的掠食活动会抵消蚂蚁给环境带来的积极影