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【单选题】
关于机会性感染，下列叙述正确的是( )A.
均为内源性感染
B.
均为医院内感染
C.
多为二重感染
D.
近年来感染率明显下降
E.
仅发生于免疫力低下的病人
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参考解析：
知识点：
皮皮学刷刷变学霸
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【简答题】名词解释:壁细胞
【简答题】--________ is the engineer’s husband? --The neighbor of your brother in the corner. [A] Who [B] What [C] How [D] Which
【单选题】Let's look at the bag. Can you see 's' on the corner of bag? [ ]
A.
a, a
B.
a, the
C.
an, a
D.
an, the
【单选题】— ______ is the engineer's husband?—The neighbor of your brother in the corner.
A.
Who
B.
What
C.
How
D.
Which
【简答题】第二十三个填空:清代文言短篇以蒲松龄(《 》)成就最高。
【单选题】What can be inferred about the Jigg's Corner?
A.
It's a night club.
B.
It's a clothing factory.
C.
It's a institution.
D.
It's a register office.
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