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【单选题】
吸氧中途改变氧流量时,应A.
直接调节流量开关
B.
直接调节总开关
C.
拔出鼻导管调节流量
D.
更换鼻导管
E.
分开鼻导管与输氧管，调节氧流量
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举一反三
【单选题】The lead singer was ill and couldn't sing that night, and her ________ didn't perform well, which made the audience disappointed. [ ]
A.
agent
B.
attitude
C.
substitute
D.
institute
【单选题】I am very sorry about the misunderstanding that () this ().
A.
lead to,cancelation
B.
led to,cancelment
C.
led to,cancellation
D.
lead to,cancelment
【简答题】Although these opportunities don't gua______ to lead to success, market-oriented businesses should find them worth considering.
【单选题】Most young people don't want _____ the kind of life that their parents ______. [ ]
A.
to lead; used to live
B.
living; used to live
C.
to live; used to living
D.
leading; used to live
【简答题】According to this passage, which of the following won’t lead to osteoarthritis? A) Vigorous contact sports. B) Repetitive activities. C) Going on a diet. D) Injury to a joint.
【简答题】你认为一个案例能够成功完成探究的因素有哪一些？
【单选题】According to the acoustics, continual exposure ______ noise of high intensity would lead to loss of hearing.
A.
of
B.
with
C.
to
D.
by
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