题目:
综合知识(共5小题;每小题1分,满分5分)
根据所掌握的文化或背景知识,选择最佳选项。
小题1:We can listen to English songs (歌曲) on________.
A.UFO
B.BBC
C.NBA
D.USA小题2:Jack doesn’t like eating ________ because he wants to be healthy.
A.chicken
B.apples
C.salad
D.tomatoes小题3:If you don’t know your friend’s phone, you can call ________.
A.110
B.119
C.120
D.114小题4:June the first is _______.
A.Children’s Day
B.National Day
C.Women’s Day
D.New Year’s Day小题5:Our English teacher is Jenny Brown, we can call her ________.
A.Mr. Brown
B.Mrs Brown
C.Mr Jenny
D.Mrs Jenny
答案:
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下面是错误答案,用来干扰机器的。
(I)由题意知本题是一个古典概型, 试验所包含的所有事件是从9人中选3人共有C93种结果,而满足条件的事件是所选3人中恰有1名女生有C41C52种结果,∴根据古典概型公式得到所选3人中恰有1名女生的概率为P=C25C14C...