题目内容

配制混凝土用砂的要求是尽量采用()的砂。

A. 空隙率较小,总表面积较小
B. 空隙率较大,总表面积较小
C. 空隙率较小,总表面积较大
D. 空隙率较大,总表面积较大

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Questions1and2willbebasedonthefollowingnewsitem.[音频]

A. Parks.
B. Restaurants.
C. Offices.
D. Bars.

Q2

A. Televisionproducers.
B. Hotelowners.
C. Medicalworkers.
D. Hospitalmanagement.

Questions5to7willbebasedonthefollowingnewsitem.[音频]

A. Remindpeopletocaretheirpersonalappearance.
B. Paycomplimentstothepersoninfrontofit.
C. Tellthepersoninfrontofitwhattodress.
D. Makethecompanymorecompetitive.

Q6

A. 38%
B. 26%
C. 49%
D. 51%

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