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【单选题】
输液剂灭菌应该采用的方法是A.
微波灭菌
B.
干热灭菌
C.
流通蒸汽灭菌
D.
热压灭菌
E.
煮沸灭菌
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举一反三
【单选题】--- Has your uncle ever been to Tibet ? ---___________________________.
A.
No, he didn't
B.
No, he haven't
C.
No, never
【单选题】Why is Robert not sure of joining the group?
A.
He hasn't practiced for ages.
B.
He doesn't have time to practice.
C.
He isn't interested in joining it.
【单选题】______, he couldn't earn enough to support the family.
A.
Hard as he worked
B.
As he worked hard
C.
As hard he worked
D.
Hard as did he work
【单选题】— My father's just back from work, ? — . He is having a rest in the room. [ ]
A.
hasn't he; Yes, he has.
B.
has he; No, he hasn't.
C.
isn't he; Yes, he is.
D.
Is he; No, he isn't.
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