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