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【简答题】
机构的自由度就是( )。因此,机构具有确定运动的条件是:自由度数大于零,且( )。
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反馈参考答案：
举一反三
【单选题】The p roject was complete d one week ahead of time, _____ was a b ig surprise to all of us .
A.
which
B.
that
C.
whose
D.
what
【单选题】Tom turned round from time to time, as if______for someone in the crowd.
A.
searching
B.
searched
C.
to search
D.
to have
【简答题】某一会计事项否具有重要性，在很大程度上取决于会计人员的职业判断。对于同一会计事项，在某一企业具有重要性，在另一企业是不一定具有重要性。（ ）
【单选题】The police _____ the missing boy everywhere when he suddenly appeared in a theatre. [ ]
A.
were searching for
B.
are searching for
C.
were searching
D.
is searching for
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