问题
判断题
量套找正加工法加工出的孔，孔距精度只在正负0.05mm以内。
答案
参考答案：错
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量套找正加工法加工出的孔，孔距精度只在正负0.05mm以内。
参考答案：错
| 完形填空. | |||
| In most schools and universities teachers give their l marks (分数) for their work. All students hate a " 2 " and are happy if their teacher gives them an "A". Now, at one American university the students and the teachers must work hard 3 they want good marks. During classes the students give their teachers 4 Each desk has a "boredom button(厌倦按钮) " on it. If a student thinks that the lecture is 5 he can press the special button. When he does this, he turns on a 6 _ at the back of the classroom.' There's one light there for every student. The teacher can 7 _ the lights and he can see if his students think the class is interesting or boring. The teacher cannot 8 which student is pressing the button. So the students can be completely " 9 ". If too many lights come on at the back of his class, a teacher knows that he must do something quickly and make the _ 10 more interesting. What do you think the teachers think about the "boredom button"? Do you think it's a good idea for schools? | |||
| ( )1. A. children ( )2. A. A ( )3. A. when ( )4. A. a help ( )5. A. boring ( )6. A. light ( )7. A. look at ( )8. A. see ( )9. A. right ( )10. A. students | B. boys B. B B. where B. marks B. bored B. TV B. look for B. watch B. honest B. teachers | C. students C. C C. if C. help C. interested C. radio C. look up C. look at C. wrong C. school | D. themselves D. D D. unless D. a hand D. interesting D. computer D. look down D. look D. secret D. class |