1、【题目】The Salk vaccine is a major factor in the fight to eradicate polio.
选项:
A.completelydestroy
B.carefullydisguise
C.sustain
D.contain
答案:
A
解析:
暂无解析
1、【题目】Despitetheproliferationofotherfastermodesoftransportation,therailroadsremainthelargestcarriersofintercityfreightintheUnitedStates.
选项:
A.schemes
B.means
C.tracks
D.variables
答案:
解析:
1、【题目】Double Eagle in the first transatlantic balloon, was greeted by avid crowds in France.
选项:
A.eager
B.surging
C.appreciative
D.vigorous
答案:
A
解析:
暂无解析
1、【题目】Insectpestsareamongtheleadingcausesofcropfailure.
选项:
A.expected
B.chief
C.natural
D.least
答案:
解析:
1、【题目】Oneofthegreatestbreakthroughsforprofessionalwomencamein1973whenthefieldofbankingopenedupforthem.
选项:
A.mostseriousdisappointments
B.mostsignificantadvances
C.mostabruptdeclines
D.mostcrucialsituations
答案:
解析:
1、【题目】InthenortheasternUnitedStates,itrainsintermittently间歇地throughoutthespring.
选项:
A.steadily
B.abundantly
C.periodically
D.daily
答案:
解析:
1、【题目】WhileBillieHolidaydidnotinventthemusiccalled"theblues",shemostassuredlyhelpedpopularizeit.
选项:
A.finally
B.certainly
C.earnestly
D.enthusiastically
答案:
解析:
1、【题目】Alligators still exist in some of the dank 潮湿 swamps and bayous小海湾 of Alabama's coastal regions.
选项:
A.weirdly古怪的fascinating
B.mythical
C.drab(monotonous)
D.unpleasantlyhumid
答案:
D
解析:
暂无解析
1、【题目】Bats fly, rather than glide, and thus are the only mammals capable of true flight.
选项:
A.straight
B.safe
C.real
D.rapid
答案:
C
解析:
暂无解析
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