问题 单项选择题

Machines that use hydraulic pressure including elevators, dentist chairs, and automobile brakes.

A.exclude

B.excluding

C.include

D.are included

答案

参考答案:C

解析:[分析] 结构应用。 划线部分应填本句的谓语动词(machines是主语,that use hydraulic pressure是定语),根据句意,谓语动词应表“包括”之意,且在此不表被动,因此选项C是答案。

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单项选择题