题目内容
（请给出正确答案）
[单选题]
他正在做什么你会说（）
A.What are you doing
B.What is she doing
C.Waht is he doing
答案
A、What are you doing
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题目内容
（请给出正确答案）
答案
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.What are you doing
B.What is she doing
C.Waht is he doing
答案
A、What are you doing
如果结果不匹配，请 联系老师 获取答案
更多“他正在做什么你会说（）”相关的问题
A.你不太清楚自己想要做什么，你的计划就会失效。
B.你越不清楚自己想要做什么，你的计划就越没有成效。
C.你的计划越没有成效，你越弄不清楚自己想要做什么。
A.What do you like doing
B.o you like making models
C.What do you want to do
A.That is your pen
B.Is that your pencil
C.Is that your pen
理查德正在决定要不要购买州发行的彩票，每张彩票的价格为1美元，取得回报的概率如下所示:
(1)如果理查德购买了一张彩票，它的期望收益是多少？方差呢？
(2)理查德的绰号是“无风险的草堆”，因为他对风险极度地规避。他会购买彩票吗？
(3)理查德获得了1000张彩票。讨论一下你将怎样确定他愿意卖出这1000张彩票的最低价格？
(4)从长期来看，给定彩票的价格和回报/概率表，你认为该州可以从该活动中得到什么？
Richard is deciding whether to buy a state lottery ticket. Each ticket costs $ 1, and the probability of winning payoff is given as follows:
a. What is the expected value of Richard' s payoff if he buys a lottery ticket？ What is
the variance？
b. Richard' 8 nickname is“No-risk Rick". He is an extremely risk-averse individual. Would he buy the ticket？
e. Richard has been given 1000 lottery tickets. Discuss how you would determine the smallest amount for which he would be willing to sell all 1000 tickets.
d. In the long run, given the price of the lottery tickets and the probability/return table, what do you think the state would do about the lottery？
A.将破折号改为句号
B.将两个冒号改为逗号
C.将第一个逗号改为冒号
D.将两个引号里的最后一个标点符号写在引号后
