问题
多项选择题
下列各组表示了国际专利分类表部的类号所指示的部的类名，请判断哪些组存在错误？（）
A.G部：固定建筑物F部：机械工程、照明
B.E部：电学C部：化学、冶金
C.A部：人类生活必需D部：纺织、造纸
D.H部：物理B部：作业、运输
答案
参考答案：A, B, D
搜题请搜索小程序“爱下问搜题”
下列各组表示了国际专利分类表部的类号所指示的部的类名，请判断哪些组存在错误？（）
A.G部：固定建筑物F部：机械工程、照明
B.E部：电学C部：化学、冶金
C.A部：人类生活必需D部：纺织、造纸
D.H部：物理B部：作业、运输
参考答案：A, B, D
| 完形填空。 | |||
| I work in a school library. There are many kinds of 1 in it. For example (例如), books 2 English, science, history, music, and so on. You 3 do some reading or borrow books from it. But there are some 4 .You must obey (遵守) them. When you are reading in the library, you have to 5 quiet. Don't talk loudly 6 make any noise. You can't listen to music, 7 . You 8 take your bags or wet umbrellas into the library. 9 or drink in the 1ibrary. You can borrow books from the library, but you can't 10 them to others. You have to take good care of (好好保管) them and return them on time (按时归还). If the library books are lost, you have to pay for them. | |||
| ( )1. A. people ( )2. A. about ( )3. A. can ( )4. A. magazines ( )5. A. / ( )6. A. and ( )7. A. also ( )8. A. aren't ( )9. A. No eating ( )10. A. lent | B. books B. in B. have to B. rules B. are B. but B. either B. don't B. Not cat B. lended | C. magazines C. at C. can't C. CDs C. be C. or C. too C. can C. Don't eat C. lends | D. newspapers D. from D. don't D. questions D. have D. because D. and D. can't D. Can't eat D. lend |