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】The controls of most modern airplanes can be operated either manually or automatically.
选项:
A.bythebook
B.byamap
C.bylogic
D.byhand
答案:
D
解析:
暂无解析
1、【题目】Bythenineteenthcentury,embroideryonmen'sclothinghadvirtuallydisappearedexceptfortheoccasionaldecorativevestandtie.
选项:
A.almost
B.definitely
C.already
D.universally
答案:
解析:
1、【题目】Withtheacquisitionofsmallercompaniesbylargerones,the1960'ssawawaveofnewconglomerates.
选项:
A.surge
B.handful
C.suspension
D.dissolution分解
答案:
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】Some animals pant and sweat to speed evaporation of body moisture and thus cool themselves.
选项:
A.wiggle摆动slowly
B.breathequickly
C.rest
D.perspire
答案:
D
解析:
暂无解析
1、【题目】Alligatorsstillexistinsomeofthedank潮湿swampsandbayous小海湾ofAlabama'scoastalregions.
选项:
A.weirdly古怪的fascinating
B.mythical
C.drab(monotonous)
D.unpleasantlyhumid
答案:
解析:
1、【题目】Somechildrendisplayanunquenchable难以抑制的curiosityabouteverynewthingtheyencounter.
选项:
A.insatiable贪的无厌的
B.inherent
C.indiscriminate不加选择的
D.incredible
答案:
解析:
1、【题目】Oneofthegreatestbreakthroughsforprofessionalwomencamein1973whenthefieldofbankingopenedupforthem.
选项:
A.mostseriousdisappointments
B.mostsignificantadvances
C.mostabruptdeclines
D.mostcrucialsituations
答案:
解析: