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【单选题】
缸体固定的液压缸,活塞的移动的速度与( )成正比。A.
活塞直径
B.
负载大小
C.
进入液压缸内的油液流量
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举一反三
【单选题】What do the 19th century reformers and present-day reformers have in common?
A.
They follow a 19th century script.
B.
They hold a kindly attitude toward human nature.
C.
They attempt to make drinking readily available.
D.
They win over critic in the dispute of licensing laws.
【简答题】A．It is produced by weird people. B．The woman does not like it. C．One can see a lot of strange things in it. D．The man is determined to watch it tonight.
【单选题】元素的第一电子亲和能(指放出的能量)大小,顺序正确的是
A.
C ＜ N ＜ O ＜ F
B.
C ＞ N ＞ O ＞ F
C.
C ＞ N ＜ O ＜ F
D.
C ＞ N ＜ O ＞ F
【单选题】Passage 4 In the United States, 30 percent of the adult population has a “weight problem”. To many people, the cause is obvious: they eat too much. But scientific evidence does little to support thi...
A.
they are too slim
B.
they work too hard
C.
they are too fat
D.
they lose too much body fat
【简答题】献血法规定，血站是什么性质的组织？
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【单选题】元素的第一电子亲和能(指放出的能量)大小,顺序正确的是
A.
C ＜ N ＜ O ＜ F
B.
C ＞ N ＞ O ＞ F
C.
C ＞ N ＜ O ＜ F
D.
C ＞ N ＜ O ＞ F
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