问题
单项选择题
Je3A3275当采用气举反循环排渣时,风管的下设深度一般不超过()m。
A.30;
B.40;
C.50;
D.60。
答案
参考答案:C
Je3A3275当采用气举反循环排渣时,风管的下设深度一般不超过()m。
A.30;
B.40;
C.50;
D.60。
参考答案:C
从方框中选择恰当的句子补全对话,其中有两项多余. A: Excuse me. Could you tell me the way to the People’s Hospital? B: Let me see. 小题1:______ A: Really? How far is it? B: 小题2:________ You can take a bus to get there. A: 小题3:_______ B: The No.12 or No.6 Bus. And No.6 Bus is better because its stop is near here. A: OK. 小题4:________ B: About 20 minutes. A: Thank you very much. B: 小题5:________.
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