工件定位结束后可以（）A.可以开始加工，无需对定位精度进行分析与计算。 B.一般可

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题型：单项选择题

问题：

工件定位结束后可以（）

A.可以开始加工，无需对定位精度进行分析与计算。

B.一般可以开始加工，有时需对定位精度进行分析与计算。

C.一般需对定位精度进行分析与计算，有时可以马上进行加工。

D.必需对定位精度进行分析与计算。

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完形填空。
Gao Ming was very busy yesterday. He got up 1 7:10 in the moming. He washed his face 2 and had some milk and bread 3 breakfast. It was a fine day. He went to school early. He had four 4 in the morning. He had a little 5 after lunch, 6 he worked very hard in class all day. He played basketball after school and then went home. On his way 7 he bought a pen. When he 8 home, he had a short rest. After that he helped his parents. He quickly had 9 and cleaned the house. He watched TV for half an hour. Then he finished his homework at half past nine. He 10 at ten o'clock.
( )1. A. on ( )2. A. sadly ( )3. A. for ( )4. A. matches ( )5. A. time ( )6. A. and ( )7. A. home ( )8. A. took ( )9. A. supper ( )10.A. went to school	B. before B. happily B. about B. games B. homework B. but B. to school B. was B. breakfast B. went to bed	C. for C. slowly C. on C. classes C. rest C. or C. to house C. left C. lunch C. got to school	D. about D. quickly D. of D. books D. housework D. for D. to hospital D. arrived D. meals D. got up

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