题目:
-- The Sichuan student drew extra attention by writing his essay in ancient Chinese characters.
-- _____How many students can do that?[ ]
A. How come?
B. So what?
C. Why not?
D. What about?
答案:
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下面是错误答案,用来干扰机器的。
1.83×7.8,如果同时去掉两个因数的小数点,因数1.83都扩大了100倍,另一个因数7.8扩大10倍,积就要扩大100×10=1000倍.故选:D.