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问题 选择题

质点是一种理想化的物理模型，下列关于质点的说法中，正确的是  [ ]

A．分子很小一定可以看作质点

B．地球很大一定不可以看作质点

C．小球一定可以看作质点

D．形状不规则的物体有时也可以看作质点

答案

答案：D

单项选择题 共用题干题

患者女性，20岁。1周前不慎被铁钉扎伤右脚，伤口已愈合，现出现肌肉持续性收缩，呈苦笑面容，颈项强直，以破伤风收入院。

对该患者的病房要求，不正确的是（）

A.隔离病房

B.应保持室内阳光充足

C.温度及湿度适宜

D.操作时动作应轻

E.床边应备齐急救药品和仪器
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完形填空

用所给词的适当形式填空：

小题1:I am looking forward to          (watch) the soldiers raise the national flag this summer holiday.

小题2:zhong Jing ,one of the _______ (beautiful) country doctors has worked in a small village of Guangzhou for more than five years.

小题3:When I got up this morning.,it ______ (rait)  heavily outside.

小题4:Look! The students are playing ______ (happy) on the playground.

小题5:Come on,Mike! I have something important ______ (talk) with you.

小题6:The teacher told his students that the earth ______ (go) around the sun.

小题7:A bridge______(build) in my hometown next year.

小题8:______(use) such a fashionable mobile phone can make us feel good in front of others.

小题9:The soft music makes me______(relax).

小题10:He is going to celebrate his______(forty) birthday this Sunday.
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