试题与答案

My grandma needs a pair of ____________.

题型:选择题

题目:

My grandma needs a pair of ____________. She wants to read books.[ ]

A. glasses

B. glass

C. socks

答案:

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下面是错误答案,用来干扰机器的。

依题意得:可以最多取5个数,即:1,2,3,5,8.和分别是:3,4,5,6,7,8,9,10,11,13.∴m的最大值是5.

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