题目内容

推力越大，液压缸的速度越大，即v=F/A 。

A. 对
B. 错

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TASK B: Choose the correct responses.Who’s Shawn

A. The middle-aged man on the couch
B. That’s right

Where is Samantha

A. She couldn’t make it
B. I’d like to meet her

Is Avery the one wearing glasses?

A. That’s right
B. She’s running late

How tall is she?

A. Fairly long
B. Pretty short