问题
判断题
更换胶管和阀组液压件时，必须在“无压”状态下进行。（）
答案
参考答案：对
搜题请搜索小程序“爱下问搜题”
更换胶管和阀组液压件时，必须在“无压”状态下进行。（）
参考答案：对
| 补全对话。 | |
| A: What can l do for you, sir? B: 1 A: Could you tell me when you would like to fly? B: On the l0th of next month. A: The l0th? Just a minute, please. I have to check the computer. Hmm, I'm sorry. 2 What about the 9th? B: The 9th? No, I can't leave before the l0th. What about the l l th? A: Let me see. 3 B: What's the night number? A: Flight number? It's HU703. B: HU703. 4 A: Yes, that's half past four in the afternoon. One-way or round-trip? B: One-way. A: How many seats, please? B: 5 A: OK. I'll get them for you at once.
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