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问题 单项选择题

在车床上加工外圆和内孔时，主轴径向回转误差可以引起工件的（）误差，但对加工工件端面则无直接影响。

A.圆度和圆柱度

B.同轴度

C.垂直度

D.以上均错

答案

参考答案：A

填空题

根据首字母提示或括号内的汉语意思拼写单词。

1. His ______ (残疾) prevents him from finding a job.

2. Tom is suspended from school for a week for bad c______.

3. The attainment of her ______ (抱负) was still a dream.

4. People who crunch (嚼) nuts at the movies can be very a______.

5. He a______ himself to the cold weather.

6. Your ______ (鼓励) made me more confident of my future.

7. The fall in prices will be ______ (有益的) to small business.

8. He assumed full charge of the firm in his father's a______.

9. He's never been an ______ (好交际的) type.

10. It take a time to find a s______ position.

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单项选择题

下列描述中不符合“感知综合障碍”涵义的是（）

A.感知客现事物的个别属性，如大小、长短、远近时产生变形

B.感觉周围的人在监视自己

C.感觉周围事物像“水中月”、“镜中花”

D.感觉自己的面孔或体形改变了形状
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