1、【题目】WhileBillieHolidaydidnotinventthemusiccalled"theblues",shemostassuredlyhelpedpopularizeit.

选项：

A.finally

B.certainly

C.earnestly

D.enthusiastically

答案：

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】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】Foodmustbemoistinordertohaveataste.

选项：

A.appetizing(delicious)

B.nutritious

C.damp

D.chewed

答案：

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】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】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】Creamoftartar酒石,aweakacid,canbeaddedtoeggwhitestohelpthemfoam泡沫whentheyarebeaten

选项：

A.whipped

B.aged

C.boiled

D.cracked

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】Insectpestsareamongtheleadingcausesofcropfailure.

选项：

A.expected

B.chief

C.natural

D.least

答案：

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】Bats fly, rather than glide, and thus are the only mammals capable of true flight.

选项：

A.straight

B.safe

C.real

D.rapid

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】When carbon is added to iron in the proper proportions , the result is steel.

选项：

A.container

B.sequence

C.laboratories

D.amounts

答案：

D

解析：

暂无解析