问题
单项选择题
25T型客车的车端DC600V电力连接器是（）
A.三极四芯
B.二极四芯
C.单极二芯
D.三极三芯
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
25T型客车的车端DC600V电力连接器是（）
A.三极四芯
B.二极四芯
C.单极二芯
D.三极三芯
参考答案：B
| 补全对话（有两项多余选项）。 | |
| A: Excuse me. 1 . B: Yes. And you are…? A: 2 This is my membership card. Would you please show me your passport? B: OK. 3 A: Welcome to Beijing, Miss White. I'm so glad that the first one I asked is the guest I will receive. B: Thank you, Miss Chen. 4 A: Let me help you with your luggage. Our car is waiting for us just at the entrance. 5 B: Thank you very much for your good service. A: It's a pleasure. | |
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| 1. ______ 2. ______ 3. ______ 4. ______ 5. ______ |