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單項選擇題

Students should be encouraged to use（）Internet as（）resource.

A./；a
B./；the
C.the；the
D.the；a

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One potential danger is（）the information could be used by others to your disadvantage.

A.that
B.what
C.it
D.which

單項選擇題

This fire extinguisher is to be used only in case of（）

A.urgency
B.crisis
C.immediacy
D.emergency