试题与答案

在一只不透明的口袋中装有两只白球,一只红球,一只蓝球.这些小球除颜色不同外,其余

题型:解答题

题目:

在一只不透明的口袋中装有两只白球,一只红球,一只蓝球.这些小球除颜色不同外,其余都相同.

小题1:从这个口袋中随意取出—个小球恰好是白球的概率是   ▲   

小题2:从这个口袋中任意取出两只球,请你用树状图或列表的方法求:①取到的两只球中至少有一只是白球的概率;②取到的两只球的颜色不同的概率.

答案:

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参考答案:错

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To be mentally healthy, people must have self-respect. People can maintain self-respect only by continually earning the respect of others they esteem. They can earn this respect only by treating these others morally.
Which of the following conclusions can be properly drawn from the statements above

A.People who are mentally healthy will be treated morally by others.

B.People who are mentally healthy will have treated morally those they esteem.

C.People who are mentally healthy must have self-respect in order to be treated morally by others.

D.People can expect to be treated morally by others only if they esteem these others.

E.(E) People who have self-respect seldom treat morally those they esteem.

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