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【简答题】
对稀疏矩阵进行压缩存储目的是
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【单选题】What does Ellen’s father want her to be when she grows up?
A.
an actress
B.
a teacher
C.
a musician
【单选题】听力原文：Mr. Simpkins, could you explain how you'd take care of this situation? (A) Yes, here' s a copy of mine. (B) Yes, I took care of her pet while she was away. (C) Yes, she explained specifications. ...
A.
B.
【单选题】The sailors （）are making preparations for unmooring.
A.
on the bridge
B.
at the stern
C.
in the cabin
D.
in the engine room
【单选题】Ellen's best friend gave her a set of tools because Ellen______.
A.
wants to use them every week
B.
wants to replace her husband's tools
C.
is poor at using her husband's tools
D.
is good at using tools
【简答题】Thanks to Joyce's suggestion，Mary Ellen got
【单选题】Guangzhou is making preparations for the 16th Asian Games ________ in November, 2010.
A.
to be held
B.
holding
C.
held
D.
being held
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