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】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】The controls of most modern airplanes can be operated either manually or automatically.

选项：

A.bythebook

B.byamap

C.bylogic

D.byhand

答案：

D

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】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】By the nineteenth century, embroidery on men's clothing had virtually disappeared except for the occasional decorative vest and tie.

选项：

A.almost

B.definitely

C.already

D.universally

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