题目

学了《认识事件的可能性》,林林想到了小时候常玩“石头、剪刀、布”,他想两个人一起玩,有哪些可能情况?请你用列表或画树状图的方式帮他写出来。 答案:见解析。解析:第1个人 第1个人 第2个人 石头剪刀布石头石头,石头石头,剪刀石头,布剪刀剪刀,石头剪刀,剪刀剪刀,布布布,石头布,剪刀布,布听下面对话或独白。对话或独白后有几个小题,从题中所给的A、B、C、三个选项中选出最佳选项,并标在试卷的相应位置。听每段对话或独白前,你将有时间阅读各个小题,每小题5秒种的作答时间。每段对话或独白读两遍。 1.What does Dr. Wilson teach? A. English      B. History      C. Chemistry 2.Which class will Fred probably get an “A”? A. History      B. Math.     C. Chemistry 3.What will Dr. Wilson do in order to help Fred have a good chance to get an “A”? A. She will give her students two more tests. B. She will give her students two less tests. C. She will ask her students to write a composition in English.  
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