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】 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】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】Blue-greenalgaegrowabundantlyinsaltmarshes.
选项:
A.primarily
B.slowly
C.onplants(cultivate)
D.ingreatnumbers
答案:
解析:
1、【题目】Whencarbonisaddedtoironintheproperproportions,theresultissteel.
选项:
A.container
B.sequence
C.laboratories
D.amounts
答案:
解析:
1、【题目】Despitetheproliferationofotherfastermodesoftransportation,therailroadsremainthelargestcarriersofintercityfreightintheUnitedStates.
选项:
A.schemes
B.means
C.tracks
D.variables
答案:
解析:
1、【题目】The fear of smallpox, which terrorized the eighteenth century, has no analogy(likeness) today.
选项:
A.occurrence
B.remnants残留物
C.witnesses
D.parallel
答案:
D
解析:
暂无解析
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】The future survival of the bald eagle is still an important American ecological concern.
选项:
A.migration
B.population
C.existence
D.evolution
答案:
C
解析:
暂无解析
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