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【判断题】
喷洒酒精可对宿舍内的污染空气消毒。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The plane was about to take _____, and yet I left my ticket behind.
A.
with
B.
off
C.
by
D.
in
【单选题】肛管排气时，肛管插入深度及保留肛管时间
A.
10～15cm，20min
B.
15～18cm，20min
C.
10～15cm，30min
D.
15～18cm，30min
【单选题】The air hostess (空中小姐) _____ the passengers to fasten their seat belts when the plane was about to land.
A.
remembered
B.
replied
C.
reminded
D.
questioned
【单选题】When the plane was going up, the air hostess told Henry not to worry about ______.
A.
the plane
B.
the strange feeling
C.
his seat
D.
his health
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