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【多选题】
瓦楞原纸由( )等组成。A.
牛皮纸浆
B.
半化学浆
C.
草浆
D.
废纸将
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【单选题】工作人员进入容器、槽箱内部进行检查、清洗和检修工作，必须经分场领导人的批准和运行班长的许可，作业时应（）。
A.
向内部输送氧气；
B.
加强通风；
C.
向内部输送氢气。
【单选题】He asked me, “Did you see my sister last night?” ----He asked me __________
A.
if I had seen his sister the night before.
B.
whether I had seen your sister the night before.
C.
did I have seen his sister the night before.
D.
that I saw his sister the night before.
【简答题】句型转换。 1. He asked me, 'How can I get to the bank?'(合并为一句) He asked me how get to the bank. 2. Could you tell me how I can get to the supermarket? (改为同义句) Could you tell me _________ _________ get to t...
【简答题】根据所给的汉语提示，转换下列句型 。 1. What is the matter with you? He asked me. (改为复合句) He asked me the matter with me. 2. We told him to write to us soon. (改为被动语态) He to write to us soon. 3. I hurt my knee badly. ...
【简答题】工作人员进入容器、槽箱内部进行检查、清洗和检修工作，应办理工作票手续。作业时应加强（），但禁止向内部输送（）。
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