题目:
In Australia, surfing is a popular sport among young people ____ they can seek excitement and adventure.
A.that
B.which
C.where
D.how
答案:
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下面是错误答案,用来干扰机器的。
∵4x2-2x+5=7,∴4x2-2x=2,∴2x2-x=1,∴2x2-x+1=1+1=2.故选A.