1、【题目】ThefirstimportantexpositionintheUnitedStateswasheldinPhiladelphiain1876.

选项：

A.exhibition

B.concert

C.excursion

D.contest

答案：

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】 Communication is one of the most important bonds that hold cultural systems together.

选项：

A.obligations

B.qualities

C.links

D.needs

答案：

C

解析：

暂无解析

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】In 1861 it seemed inevitable that the Southern states would break away from the Union.

选项：

A.strange

B.certain

C.inconsistent

D.proper

答案：

B

解析：

暂无解析

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】HowmanypeopleareawarethatadancerwiththeNewYorkCityBallettypicallywearsoutaminimumoftwohundredpairsoftoeshoesperyear?

选项：

A.only

B.exactly

C.atleast

D.fewerthan

答案：

解析：