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【单选题】
刚体平动时,其上任一点的轨迹可能是( )。A.
平面任意曲线
B.
空间任意曲线
C.
空间固定曲线
D.
任一直线
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反馈参考答案：
举一反三
【单选题】If you receive the signal over radiotelephone of Romeo Papa Tango while using the International Code of signals, you should ______.
A.
Report to the caller.
B.
Repeat your last transmission.
C.
Continue since he received your last transmission.
D.
End the transmission.
【简答题】怎样保护学前儿童的的眼睛?
【简答题】怎样保护好学前儿童的眼睛？
【单选题】What ______ pity that you couldn't be there to receive ______ prize! [ ]
A.
a, a
B.
the, a
C.
the, the
D.
a, the
【单选题】The Japanese Prime Minister has wrapped up his two-day visit to China, and during his visit, Hu Jintao and Yoshihiko Noda exchanged views on bilateral relations and issues of common concern, which wil...
A.
make a difference
B.
contribute to
C.
sweep up
D.
sped up
【简答题】学前儿童的眼睛有什么特点?怎样保护?
【简答题】怎样保护好学前儿童的眼睛?
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