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【单选题】
三视图中,俯视图反映物体( )A.
左右、上下关系
B.
左右、前后关系
C.
前后、上下关系
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举一反三
【简答题】Why did he put off the writing assignment till the last minute?
【单选题】John was ready for a fight but he backed off at the last minute.
A.
moved backward and gave up
B.
supported and moved on
C.
none
D.
none above
【简答题】两千多年前，古埃及人总喜欢把分数转化为分子是1的分数来计算，所以后人常把分子是1的分数称为埃及分数．埃及分数在计算中有着一些什么规律呢？请观察下面几组算式并填空： （1） 1 3 - 1 4 = (4)-(3) 3×4 = 1 3×4 1 7 - 1 8 = ()-() 7×8 = 1 7×8 1 20 - 1 21 = ()-() 20×21 = 1 20×21 1 100 - 1 101 = ...
【简答题】完形填空。 'I was bathing and the light was suddenly cut off. About one minute later, one bathhouse waiter ran in and cried ' 1 !' At once, everybody was frightened and tried to get away.'' said Li Fumin, ...
【单选题】听力原文：I didn't catch that point. I must have dozed off for a minute. According to the speaker, why did he fail to catch the point?
A.
Because he was away for a while.
B.
Because he simply couldn't understand.
C.
Because he was thinking about something else.
D.
Because he fell asleep.
【简答题】简述片剂的特点
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