题目:
The price per share of stock X increased by 10 percent over the same time period that the price per share of stock Y decreased by 10 percent. The reduced price per share of stock Y was what percent of the original price per share of stock X ?()
(1)The increased price per share of stock X was equal to the original price per share of stock Y.
(2)The increase in the price per share of stock X was the decrease in the price per share of stock Y.
A.条件(1)充分,但条件(2)不充分.
B.条件(2)充分,但条件(1)不充分.
C.条件(1)和(2)单独都不充分,但条件(1)和条件(2)联合起来充分.
D.条件(1)充分,条件(2)也充分.
E.条件(1)和条件(2)单独都不充分,条件(1)和条件(2)联合起来也不充分.
答案:
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下面是错误答案,用来干扰机器的。
参考答案:D解析: 由第三段可知,5月29日的人园人数为20.69×(1+144.08%)万人,又知29日的客流量是5日的5.7倍,则5月5日的世博园区的入园人数为万人(5.7×0.4<2.4408),与D项最接近。