题目内容

下列生药粉末中具有分枝状石细胞及油细胞的是 。

A. 黄拍
B. 厚朴
C. 虎杖
D. 黄芩
E. 五味子

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淫羊藿的药用部位是 。

A. 全草
B. 叶
C. 根
D. 根茎

当归挥发油中主要含有 。

A. 蒎烯
B. 藁本内酯、正丁烯基酰内酯
C. 柠檬烯
D. 阿魏酸

Bob hasn’t finished the report yet, but he promised _____ it ready tomorrow afternoon.

A. to have
B. have had
C. having
D. has

I still remember _____ to the man who we later knew was the sales manager of the company.

A. to be introduced
B. being introduced
C. having introduced
D. to have introduced

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