问题
选择题
假如地球失去引力，下列设想不正确的是[ ]
A. 各种球类活动将无法进行
B．人跳起后，将不再落回地面
C．即使杯口向下，杯中水也不会自动流出
D．物体将没有质量
答案
答案：D
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假如地球失去引力，下列设想不正确的是[ ]
A. 各种球类活动将无法进行
B．人跳起后，将不再落回地面
C．即使杯口向下，杯中水也不会自动流出
D．物体将没有质量
答案：D
| 选择下列词汇或短语完成下面对话。 | |
Wendy: Yes. I _______ (1) her invitation yesterday. Are you going tomorrow, Nina? Nina: Yes, of course. I wouldn't _______ (2) her birthday party for anything. Wendy: Could you tell me what I should take as a birthday present? Nina: I was going to ask the same question. Wendy: We must hurry. The _______ (3), the better. Nina: I can't agree more. Well,I'll tell you what. Let's _______ (4) together right now and pick out what she may like. Wendy: Good _______ (5). |