题目内容

She chose ginger _____ garlic for cooking the Greek food.

A. taking place of
B. replace of
C. place of
D. instead of

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有效数字2位的是:()

A. pK=7.263
B. pH= 13.14
C. 7.8200
D. 5.301
E. 0.001

She is ______ more careful driver of the two.

A. a
B. the
C. an
D. /

We will have a lecture ____ Friday afternoon.

A. in
B. at
C. on
D. /

使用容积式流量计进行测量时,介质的粘度越大,流量计的泄漏量越(______)。

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