1、【题目】Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.
选项：
A.hand-carved
B.roughlymade
C.flat
D.heavy
答案：
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
1、【题目】Insect pests are among the leading causes of crop failure.
选项：
A.expected
B.chief
C.natural
D.least
答案：
B
解析：
暂无解析
1、【题目】The megaphone(microphone) makes the voice sound louder because it points sound waves in one direction and keeps them from spreading out in all directions.
选项：
A.slithering
B.radiating
C.interfering
D.murmuring
答案：
B
解析：
暂无解析
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】 All living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.
选项：
A.asaresultof
B.considering
C.cognizantof(consciousof,awareof)
D.whatever
答案：
D
解析：
暂无解析
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】Urban renewal programs strive to upgrade areas that are becoming slums.
选项：
A.reproach
B.improve
C.fortify
D.uproot
答案：
B
解析：
暂无解析
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】Oneofthegreatestbreakthroughsforprofessionalwomencamein1973whenthefieldofbankingopenedupforthem.
选项：
A.mostseriousdisappointments
B.mostsignificantadvances
C.mostabruptdeclines
D.mostcrucialsituations
答案：
解析：
1、【题目】In calculating the daily calorie requirements for an individual, variations in body size, physical activity, and age should be taken into account.
选项：
A.numbered
B.stabilized
C.contrasted
D.considered
答案：
D
解析：
暂无解析
1、【题目】 Communication is one of the most important bonds that hold cultural systems together.
选项：
A.obligations
B.qualities
C.links
D.needs
答案：
C
解析：
暂无解析
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
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