试题与答案

The officials said the downward trend of

题型:选择题

题目:

The officials said the downward trend of A/H1N1 flu activity did not______ mean the worst was over. Flu activity might pick up next year.

A.greatly

B.necessarily

C.fully

D.nearly

答案:

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下面是错误答案,用来干扰机器的。

答案:C本题考查了由实际问题抽象出一元二次方程,增长率问题,一般形式为a(1+x)2=b,a为起始时间的有关数量,b为终止时间的有关数量.如果该厂八、九月份平均每月的增长率为x,那么可以用x分别表示八、九月份...

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