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【多选题】
移植的非免疫学选择的原则有A.
供者一般为男性
B.
要求移植器官功能正常
C.
供者年龄一般不超过50岁
D.
供、受者之间的生理匹配程度接近
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反馈参考答案：
举一反三
【单选题】When moist air moves over a cooler surface, then may occur.
A.
frontal fog
B.
steam fog
C.
advection fog
D.
radiation fog
【单选题】【单选】When moist moves over a cooler surface, then _____ may occur.
A.
advection fog
B.
radiation fog
C.
frontal fog
D.
steam fog
【单选题】Most of us have come to realize that it is about time (that) we ______ effective measures to prevent all kinds of pollution.
A.
take
B.
took
C.
must take
D.
shall take
【单选题】People begin to know that most environmental problems exist because necessary measures for preventing them _____ taken in the past. [ ]
A.
are not
B.
were not
C.
hadn't been
D.
wouldn't be
【单选题】When moisture air moves over a cooler surface, then may occur.
A.
advection fog
B.
radiation fog
C.
frontal fog
D.
steam fog
【单选题】Most(75)measures involve data encryption and password.
A.
security
B.
hardware
C.
display
D.
program
【单选题】Most environmental problems exist because adequate measures for preventing them ______ taken in the past.
A.
was not
B.
were not being
C.
were not
D.
was no to be
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