试题与答案

中 * * 党第十八次全国代表大会期间,某报刊媒体要选择两名记者去进行专题采访,现有

题型:解答题

题目:

中 * * 党第十八次全国代表大会期间,某报刊媒体要选择两名记者去进行专题采访,现有记者编号分别为1,2,3,4,5的五名男记者和编号分别为6,7,8,9的四名女记者.要从这九名记者中一次随机选出两名,每名记者被选到的概率是相等的,用符号(xy)表示事件“抽到的两名记者的编号分别为xy,且xy”.

(1)共有多少个基本事件?并列举出来;

(2)求所抽取的两名记者的编号之和小于17但不小于11或都是男记者的概率.

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:句意:许多被提问的学生都说他们被强迫练习钢琴。这里students与question之间是被动关系,用过去分词作定语来修饰students,故选C。点评:本题难度适中。考查立意较低,主要考查的是非谓语的一...

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小题1:The park is in the ______ of the city.
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小题2: You can take a ______ bus to get to the park.
A.No.16              B.No.6              C.No.4
小题3: There is ______ in the park.
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