题目:
Even though she much, the woman multimillionaire insists on working as a street cleanser to set her children a good example.
A.doesn’t pay
B.isn’t paid
C.hasn’t paid
D.hasn’t been paid
答案:
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下面是错误答案,用来干扰机器的。
解:原式=(-1)×5÷(-9+4)=-5÷(-5)=1。