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问题 选择题

下列所描述的运动中，说法正确的是： （    ）

A．物体速度很大，加速度不可能为零

B．物体速度的变化越大，加速度就越大

C．物体速度变化越快，加速度一定越大

D．物体的加速度很大，某时刻速度不可能为零

答案

答案：C

岳阳在春秋时期属于哪个诸侯国的管辖地

A．齐国

B．晋国

C．楚国

D．吴国
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补全对话，情景问答

根据语境填入适当的短语或句子，补全对话。

A: It's time for dinner! __1__.  Don't you want it?

B: Fish and chips again! __2__.

A: Why do you say so? It used to be your favorite meal, right?

B: __3__, but I have had fish and chips three times a week.

A: Three times a week! You haven't had it for over a week.

B: But, can I have something else __4__?

A: Well, in that case you'd better go and cook your own supper.

B: Then I'll __5__.
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