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皮皮学刷刷变学霸
举一反三
【简答题】任意力系向一点进行简化一般得到一个主矢和一个主矩,主矢与简化中心的选取( ),主矩与简化中心的选取( )。
【单选题】Towards the issue, what the writer is most concerned about will be______.
A.
to advocate radically reforming government policies
B.
to take into account the benefits upon retirement
C.
to put in practice what Hudson researchers believe in
D.
to prolong the practicability of older experienced employees
【简答题】听下面一段对话，回答第1至3题。 1. What is the man doing? A. Listening to the weather report on the radio. B. Helping Emma with packing. C. Planning to go somewhere. 2. Where does the conversation most probably take...
【单选题】Towards the issue, what the author is most concerned about will be______.
A.
to advocate radically reforming government policies
B.
to take into account the benefits upon retirement
C.
to put in practice what Hudson researchers believe in
D.
to prolong the practicability of older experienced employees
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