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【单选题】
为了实现两相交轴之间的传动,可以采用( )A.
蜗杆传动
B.
斜齿圆柱齿轮传动
C.
直齿圆锥齿轮传动
D.
直齿圆柱齿轮传动
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皮皮学刷刷变学霸
举一反三
【简答题】决定颜色明亮程度的是颜色的那个属性 .
【简答题】CHECK约束被称为______约束,UNIQQUE约束被称为_______约束。
【单选题】It was ________ that I couldn’t finish it by myself. A. so difficult a work B. such a difficult work C. so difficult work D. such difficult work
A.
so difficult a work
B.
such a difficult work
C.
so difficult work
D.
such difficult work
【单选题】Of the two physics problems, Martha just finished ______ one. A. the most difficult B. the least difficult C. the less difficult
A.
the most difficult
B.
the least difficult
C.
the less difficult
【单选题】Do you think maths is _____ than English? [ ]
A.
difficult
B.
as difficult
C.
more difficult
D.
most difficult
【简答题】UNIQUE约束被称为 约束。
【单选题】______, it was completed on time.
A.
Difficult as the task was
B.
Difficult as was the task
C.
As the task was difficult
D.
As was the task difficult
【简答题】CHECK 约束被称为 约束,UNIQUE约束被称为 约束。
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