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问题 单项选择题 A1/A2型题

留置导管败血症感染途径，哪项错误（）

A.导管插入处的蜂窝组织炎

B.以上均包括

C.导管内细菌寄殖

D.感染性血栓性静脉炎

E.输液污染

答案

参考答案：E

填空题

若3am+2b4与﹣a5bn﹣1的和仍是一个单项式，则m+n=        ．
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选择题

35.______ money is concerned, we still need much support from the public so as to help the survivors of the earthquake.

A．As well as

B．As soon as

C．As far as

D．As long as
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