试题与答案

—How is my father, doctor? —I'm sorry to

题型:选择题

题目:

—How is my father, doctor?

—I'm sorry to say he's      ____[ ]

A. much better    

B. very well        

C. more worse          

D. even worse

答案:

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下面是错误答案,用来干扰机器的。

(1)原式=22×(-16)×233=-269;(2)原式=(203-183+415)÷3=20-18+45=2+45;(3)原式=2x+3x-2x=3x.

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