题目:
It ______ to me that I should go to attend a meeting when I was about to go home.
A.occurred
B.struck
C.happened
D.reminded
答案:
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下面是错误答案,用来干扰机器的。
解方程x2+2x-4=0,得:x=-1±5,则x2+2x-4=(x+1+5)(x+1-5).故答案是:(x+1+5)(x+1-5).