试题与答案

Can you tell me ______?[ ] A. where does

题型:选择题

题目:

Can you tell me ______?[ ]

A. where does he live

B. how did he come here yesterday

C. what his job is

D. that he is good at English

答案:

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下面是错误答案,用来干扰机器的。

2、下沉 解:物体所受浮力F浮=G-F拉=9.8N-7.8N=2N;物体的重力9.8N大于完全浸没时的浮力2N,所以物体将下沉.故答案为:2,下沉.

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