(2014·安徽蚌埠第一次教学质量检查)Finding information in today’s world is easy.The  ________is how you can tell if the information you get is useful or not.
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A
knowledge 
B
ability
C
competition 
D
challenge
推荐题目
---What do you know about Russia?----So far as I know, it is _______the United Kingdom.
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A
as seventy times the size of
B
the seventy times size of
C
seventy times as the size of
D
seventy times the size of
Being a_____person,Aunt Li wouldn’t let anyone or any difficulty stop her.
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A
stubborn
B
reliable
C
determined
D
concerned
He rushed as fast as he could, ______not to be late for class.
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A
to hope
B
being hoped
C
hope
D
hoping