问题
判断题
双层单动岩心管的外管不转动。
答案
参考答案:错
双层单动岩心管的外管不转动。
参考答案:错
情景交际,从方框中选择适当的句子填空,补全对话。 | |
A: Hello! What's your name? B: My name's Eric. A: 1 B: Fine, thank you. 2 A: Nice to meet you, too. 3 B: It's 353-73326. A: 4 B: His name is Tony. A: 5 . B: His phone number? Sorry, I don't know.
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