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【判断题】
在我国现在的环境标准中,化学需氧量指标是指用高锰酸钾作为氧化剂,测定的有机物的含量。A.
正确
B.
错误
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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 s 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】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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