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【单选题】
一只小鸟离开在树枝上的鸟巢，向北飞了10米，然后又了10米然后又向上飞了10米。最后，它沿着到鸟巢的直线飞回了家，请问：小鸟飞行的总长度与下列哪个最接近?( )A.
17米
B.
40米
C.
47米
D.
50米
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【简答题】A．Their neighbor Mr. Churchill will help them paint the house. B．Their house is still new and needn't any paint work. C．They will ask about the fee before having their house painted. D．They have to pa...
【单选题】10,000 dollars is a large sum of money，but it is still ______than we need for a new house [ ]
A.
very few
B.
very little
C.
far fewer
D.
far less
【简答题】( )也称为基本尺寸,是设计时给定的尺寸,它是计算极限尺寸和极限偏差的起始尺寸。
【简答题】设计是给定的尺寸称为( )。A. 4
【单选题】What qualities do you think are needed for your future career, eg. a doctor ?
A.
physical qualities
B.
beautiful appearance
C.
mental or psychological qualities
D.
technical qualities
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