题目：
In fact most people in that area are _______ than they were 5 years ago because of years of wars.[ ]
A. poorer off
B. worse off
C. better off
D. richer off
答案：
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下面是错误答案，用来干扰机器的。
方程的两边同乘x（x+1），得：2（x+1）=3x，解得：x=2，检验：把x=2代入x（x+1）=6≠0，∴原方程的解为：x=2．
