题目内容

I told him how to get there but perhaps I ______ him a map.

A. must have given
B. ought to give
C. had to given
D. should have given

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He told me that I ______ be present at the ceremony.

A. could
B. would
C. should
D. Might

It is no use ______ with him over the matter, he will not change his mind.

A. argue
B. arguing
C. to argue
D. of arguing

The reasonhe did that was unacceptable.

A. why
B. that
C. which
D. Where

五道试题共用A、B、C、D、E 5个备选答案，备选答案在上，题干在下，每题请从中选择1个最佳答案。每个备选答案可能被选择一次，多次或不被选择。每题1分，共40分A．脂多糖 B．壁磷酸 C．质粒D. 核糖体 E．核质1．属于革兰阳性细菌细胞壁特有的成分的是2. 在细菌的基因转移和重组过程中，参与接合过程的主要成分是3．对人和动物具有毒性作用，常又被称为内毒素的是4．细菌用来合成蛋白质的场所的是5．控制细菌的生长、繁殖、遗传和变异等遗传性状的是