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】ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.
选项：
A.migration
B.population
C.existence
D.evolution
答案：
解析：
1、【题目】Theflowerbudofawaterlily百合opensatsunsetsince.itsopeningistriggered(commence).bythedecreasedlight.
选项：
A.alleviated减轻
B.endured
C.setoff
D.coveredup
答案：
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】In 1974 Henry Aaron broke Babe Ruth's monumental lifetime record of 714 home runs.
选项：
A.archaic(old,antique)
B.degrading(discredit)
C.outstanding
D.entire
答案：
C
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
1、【题目】How many people are aware that a dancer with the New York City Ballet typically wears out a minimum of two hundred pairs of toe shoes per year?
选项：
A.only
B.exactly
C.atleast
D.fewerthan
答案：
C
解析：
暂无解析
1、【题目】The first important exposition in the United States was held in Philadelphia in 1876.
选项：
A.exhibition
B.concert
C.excursion
D.contest
答案：
A
解析：
暂无解析
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】Withtheacquisitionofsmallercompaniesbylargerones,the1960'ssawawaveofnewconglomerates.
选项：
A.surge
B.handful
C.suspension
D.dissolution分解
答案：
解析：
1、【题目】Eyespots, the most rudimentary eyes, are found in protozoan原生动物 flagellates 鞭毛虫 , flatworms 扁形虫 , and segmented worms片段 蠕虫 .
选项：
A.hostile-looking
B.perceptive
C.primitive
D.strangelyformed
答案：
C
解析：
暂无解析
1、【题目】 Formulated in 1823, the Monroe Doctrine asserted that the Americas were no longer open to European colonization.
选项：
A.emphaticallystated
B.belligerently(aggressively)argued
C.accentuated(emphasize)
D.entreated恳求（implore,plea,invoke）
答案：
A
解析：
暂无解析
1、【题目】Food must be moist in order to have a taste.
选项：
A.appetizing(delicious)
B.nutritious
C.damp
D.chewed
答案：
C
解析：
暂无解析
1、【题目】With the acquisition of smaller companies by larger ones, the 1960's saw a wave of new conglomerates.
选项：
A.surge
B.handful
C.suspension
D.dissolution分解
答案：
A
解析：
暂无解析
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