问题
单项选择题
用于断开短路电流的电器应满足（）
A.额定电流的通断能力
B.短路条件下的通断能力
C.12倍额定电流的通断能力
D.24倍额定电流的通断能力
答案
参考答案：B
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用于断开短路电流的电器应满足（）
A.额定电流的通断能力
B.短路条件下的通断能力
C.12倍额定电流的通断能力
D.24倍额定电流的通断能力
参考答案：B
| Read and choose. 阅读乐园。根据上下文，选择合适单词将对话补充完整。 |
| Tonny: It's Sunday tomorrow. What 1 you 2 to do? Mary: I'm 3 to the park 4 the morning. Tonny: We will 5 kites in the afternoon. Would you like 6 us? Mary: Sure. 7 love to. When shall we meet? Tonny: 8 3:30 9 my home. Mary: OK. See you tomorrow! Tonny: 10 . |
| （ ）1. A. am （ ）2. A. go （ ）3. A. going （ ）4. A. at （ ）5. A. fly （ ）6. A. join （ ）7. A. I'd （ ）8. A. In （ ）9. A. at （ ）10. A. See you soon. | B. is B. going B. will go B. in B. flying B. to join B. Did B. On B. in B. See you later. | C. are C. went C. go C. on C. flew C. joining C. Do C. At C. to C. See you tomorrow |