问题
判断题
人体电击触电分为单相触电、两相触电和跨步电压触电。
答案
参考答案：对
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人体电击触电分为单相触电、两相触电和跨步电压触电。
参考答案：对
| 完形填空。 |
| Mary is 1 American schoolgirl. Now she is in Beijing 2 her parents. She doesn't know Chinese, 3 she is studying Chinese. She often 4 Chinese to her Chinese friends. Sometimes they don't understand her because she can't speak Chinese 5 . It's Sunday morning. She is walking in the street. She 6 to go to the zoo to 7 elephants and monkeys, but she doesn't know 8 to go there. She asks a Chinese boy. The boy can't understand her. Then she takes out a pen and a piece of paper. She draws an elephant on it, and 9 the picture to the boy. The boy understands now, then he shows Mary the 10 to the zoo. |
| ( )1. A. a ( )2. A. by ( )3. A. and ( )4. A. speaks ( )5. A. good ( )6. A. lets ( )7. A. see ( )8. A. when ( )9. A. reads ( )10. A. way | B. an B. with B. or B. tells B. well B. has B. look B. how B. passes B. road | C. the C. about C. but C. says C. nice C. wants C. find C. where C. gets C. means | D. / D. in D. so D. talks D. fine D. helps D. watch D. which D. shows D. mean |