143. 14954-!-item-!-187;#058&010212
In a survey of students, each student selected from a list of 12 songs the 2 songs that the student liked best. If each song was selected 4 times, how many students were surveyed?
(A) 96
(B) 48
(C) 32
(D) 24
(E) 18
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【答案】D
【思路】
each song was selected 4 times
12 songs=>48 times
48/2=24人
这里的the 2 songs that the student liked best是什么意思，在解答过程中的意义是什么呢，看的不是很明白，
谢谢作者: liuyinghong 时间: 2011-5-23 20:18
意思是學生最喜歡的兩首歌,當然是指每位學生。
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