问题
单项选择题
下面有关印刷机串墨辊说法不正确的是（）
A.串墨辊的轴向串动是由凸轮连杆机构带动的，而周向转动则靠的是磨擦力
B.一般印刷机的串墨辊串动量的大小是可以调节的，调节最大可达2.5～3cm
C.通过串墨辊的串动，有助于消除印刷中出现的鬼影故障
D.印刷中串墨辊的串动起始点一般是设置在印版滚筒的空挡部位.这样会使对印版的着墨更加均匀
答案
参考答案：A
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下面有关印刷机串墨辊说法不正确的是（）
A.串墨辊的轴向串动是由凸轮连杆机构带动的，而周向转动则靠的是磨擦力
B.一般印刷机的串墨辊串动量的大小是可以调节的，调节最大可达2.5～3cm
C.通过串墨辊的串动，有助于消除印刷中出现的鬼影故障
D.印刷中串墨辊的串动起始点一般是设置在印版滚筒的空挡部位.这样会使对印版的着墨更加均匀
参考答案：A
| 完形填空 | ||
| Mr Smith is a farmer. In the 1 , he gets up at 6:30. He usually sleeps for nine 2 every day. After he gets up, the first thing for him is to bruh his 3 . Then he goes out to run around his 4 . After he comes back, he 5 his breakfast. He often has bread, milk, vegetables. At eight, he starts his 6 . He 7 working on the farm. He thinks it is very interesting and he often forgets(忘记) the 8 for lunch. He works 9 day. When he comes back home, he is very tired, 10 very happy. | ||
| ( )1. A. morning ( )2. A. hour ( )3. A. tooth ( )4. A. school ( )5. A. wants ( )6. A. work ( )7. A. likes ( )8. A. day ( )9. A. / ( )10. A. and | B. afternoon B. ours B. tooths B. farm B. have B. works B. wants B. date B. all B. or | C. evening C. hours C. teeth C. library C. eats C. working C. begin C. time C. whole C. but |