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【多选题】
纯化水的制备方法包括( )。A.
电渗析法
B.
反渗透法
C.
离子交换法
D.
超滤系统
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举一反三
【单选题】The black writer wanted the other members of the workshop to treat_________as an equal.
A.
his
B.
he
C.
him
D.
himself
【简答题】The doctors, nurses, and other personnel of a hospital treat and cure disease,______.
【单选题】African athletes ______ in their ability to win marathons and other events of long-distance running.
A.
stand for
B.
stand by
C.
stand out
D.
stand up
【单选题】Why are 'other countries' unwilling to police their athletes?
A.
Because their governments are the head to promote the schemes.
B.
Because the World Anti-Doping Agency can expose their machinations.
C.
Because they make great endeavor to cultivate the athletes.
D.
Because they do not receive money from the drug czar's office.
【单选题】Five athletes competed_____ the gold medal _____ each other _____ the 100-meter dash.
A.
to , with, in
B.
at ,against, by
C.
of, at, because
D.
for, with, in
【简答题】道教是我国四大宗教之一，目前我国的大部分道观属于_____。
【简答题】假定一棵树的广义表表示为 A ( B(E(F)) , C , H ( I,J )),则树中所含的结点数为 个,树的深度为 ,树的度为 。
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