单选题：Which is NOT the advantage of the nuclear stations?

题目内容：
Which is NOT the advantage of the nuclear stations? A．The nuclear stations are safer than the coal-fired stations.
B．The cost of building the nuclear stations is more than that of the coal-fired stations.
C．The cheaper running of the nuclear stations can offset its great construction.
D．The nuclear stations are much cleaner than the conventional ones.

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What was the war affair in late 1960s that made many America

What was the war affair in late 1960s that made many American young people love

分类：公共英语四级  题型：单选题
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如图所示，物体M悬挂在细绳上，细绳跨过定滑轮，另一端系一物体m，m在水平地面上的位置1处保持静止，把m移至2处，仍保持静止，则在两个位置上（ &ems

分类：公共英语四级  题型：单选题
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