问题
单项选择题
不确定性是指基于某一事件发生的结果的概率为()
A.0
B.1
C.0或1
D.介于0和1之间
答案
参考答案：D
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不确定性是指基于某一事件发生的结果的概率为()
A.0
B.1
C.0或1
D.介于0和1之间
参考答案：D
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made up of 35 women, aged from 50 to 84. It was developed 2 a housewife five years ago to help old women keep fit. The project has been so successful 3 they will take part in the Veterans Cup competition (元老杯足球联赛) in the USA. "We are 4 to play in the Veterans Cup, where many grandmothers from all over the world come 5 and play football," said the team leader. Whatever happens, 6 , the grandmothers have no regrets. Most of them often play football in their aprons (围裙) after 7 . "I suffered back pain and sore knees (腰酸腿痛) before joining the team three years ago. Now I am fresh. I don't feel 8 pain in my body, and I can run. At home I do all the housework by myself!" said 9 of the grandmothers. 1. 2. 3. 4. 5. 6. 7. 8. 9. |