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】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】TheSalkvaccineisamajorfactorinthefighttoeradicatepolio.
选项：
A.completelydestroy
B.carefullydisguise
C.sustain
D.contain
答案：
解析：
1、【题目】The flower bud of a water lily 百合 opens at sunset since .its opening is triggered(commence) .by the decreased light.
选项：
A.alleviated减轻
B.endured
C.setoff
D.coveredup
答案：
C
解析：
暂无解析
1、【题目】TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.
选项：
A.veryfriendly
B.veryuseful
C.verythoughtful.
D.verywealthy
答案：
解析：
1、【题目】Foodmustbemoistinordertohaveataste.
选项：
A.appetizing(delicious)
B.nutritious
C.damp
D.chewed
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】Whencarbonisaddedtoironintheproperproportions,theresultissteel.
选项：
A.container
B.sequence
C.laboratories
D.amounts
答案：
解析：
1、【题目】Although the Carbon 14 method of dating old objects is not foolproof , it is the best method available at present
选项：
A.whollyoperational
B.entirelyserviceable
C.fullyreliable
D.completelysafe
答案：
C
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】The economy of Dallas, Texas, is strong and diversified .
选项：
A.inflated
B.stable
C.varied
D.well-regulated
答案：
C
解析：
暂无解析
1、【题目】Batsfly,ratherthanglide,andthusaretheonlymammalscapableoftrueflight.
选项：
A.straight
B.safe
C.real
D.rapid
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】Alllivingorganisms,regardlessoftheiruniqueidentity,havecertainbiological,chemical,andphysicalcharacteristicsincommon.
选项：
A.asaresultof
B.considering
C.cognizantof(consciousof,awareof)
D.whatever
答案：
解析：
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