题目内容

What was the most important factor in solving that man’ s problem

A. Power.
B. Skill.
C. Patience.
D. Weapons.

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Questions 9 and 10 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each of the following questions. Now listen to the news. Who will be glad to see that stunning waves

A. Fishermen.
B. Scientists.
C. Tourists.
D. Surfers.

财务管理,主要是指股份有限公司的财务管理。( )

A. 对
B. 错

Old Fred does something stupid because ______.

A. he has some mental problems
B. he is too old to know what he is doing
C. he wants to have a good Christmas
D. he has got into the habit of stealing

某车间的一条生产线,正常运转为90%,不正常运转为10%。正常运转时,生产95%的合格品和5%的不合格品;不正常运转时,生产10%的合格品和90%的不合格品。从产品中任取一件检查,则 若发现此产品是不合格品,则这条生产线正常运转的概率是()。

A. 0.3333
B. 0.8550
C. 0.8650
D. 0.9884

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