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【判断题】
工程设计中,一般要求带传动的带轮α≤120°。A.
正确
B.
错误
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【简答题】数一数下面三个图形中的小方格，说出哪个图形面积最大？哪个图形面积最小？
【简答题】There is no doubt that a mother plays an important leading role in the lives of their children. But what about a ① ① ? Fathers play just as important a role as mothers. Fathers give us support. They ...
【简答题】No man ever steps in the same river______, for it's not the same ______ and he is not the same ____.
【单选题】"No man ever steps in the same river twice" indicates
A.
being-orientation.
B.
doing-orientation.
C.
becoming-orientation.
D.
being-and-becoming orientation.
【简答题】观察下面的物体，说出它们分别是从哪一面看到的。
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