题目内容
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[主观题]
Vulnerability和Hole都是一个总的全局性概念,包括威胁、损坏计算机系统安全性的所有要素。()
Vulnerability和Hole都是一个总的全局性概念,包括威胁、损坏计算机系统安全性的所有要素。()
A.正确
B.错误
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A.正确
B.错误
There's a hole in our roof. It needs______.
A.repaired
B.repairing
C.to be repairing
D.being repaired
There is a hole at the ______ of the pot.
A.base
B.bottom
C.ground
D.basis
A.set back
B.held up
C.stood back
D.kept down
A.set back
B.stood back
C.held up
D.kept down
A.The ozone hole over Antarctica
B.Low population
C.Favourable geographic features
D.A late development of industry
A.vacent
B.empty
C.bare
D.hollow
A.Fault
B.Hole
C.Weakness
D.Error
When the boat started sinking, ______.
A.it was about to go fishing
B.it was on its way back
C.it was already overloaded
D.it was a quarter mile from the shore