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【单选题】
---There are many volunteers ______ are helping the children in Sichuan. --- And most of them are college students.
A.
which
B.
when
C.
whose
D.
who
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【判断题】若将受扭实心圆轴的直径增加一倍,则其刚度是原来的8倍。
A.
正确
B.
错误
【单选题】若将受扭实心圆轴的直径增加一倍,则其刚度是原来的( )倍
A.
4
B.
8
C.
16
D.
32
【单选题】若将受扭实心圆轴的直径增加一倍,则其刚度是原来的( )
A.
2倍
B.
4倍
C.
8倍
D.
16倍
【单选题】若将受扭实心圆轴的直径增加一倍,则其刚度是原来的 ( )倍
A.
2
B.
4
C.
8
D.
16
【单选题】He is not ______ a fool ______.
A.
such... as be looked
B.
such... as he looks
C.
so ... as he looks
D.
as...as he looks
【简答题】He eats l_______ of food every evening.
【简答题】Jack is a schoolboy. He小题1: c______ from England. This year, he is thir years old. He 小题2:l_______ in a small town near London(伦敦). He lives with his grandmother. His parents 小题3:w________ in Lond...
【单选题】列缺穴是手太阴肺经上的穴位,它在前臂桡侧缘,桡骨茎突上方,腕横纹上()寸。
A.
1
B.
1.5
C.
2
D.
3
【判断题】一个完整的自动控制系统,是由测量元件与变送器、执行器和控制器三部分组成。
A.
正确
B.
错误
【判断题】若将受扭实心圆轴的直径增加一倍,则其刚度是原来的8倍。
A.
正确
B.
错误
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