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【简答题】
掷一颗骰子,观察出现的点数,Ω={1,2,3,4,5,6},A:出现奇数点,B:点数大于3,请用事件的关系描述式子A-B
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反馈参考答案：
举一反三
【简答题】简述幸福感的影响因素有哪些。
【单选题】Which of the following is not the result of burning garbage?
A.
The garbage burned is turned into fossil fuels.
B.
The heat produced is used to boil water.
C.
The steam produced is used to make electricity.
D.
The steam produced is used to heat buildings.
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