某工厂进行接触粉尘与尘肺关系的队列研究得知，该工厂工人尘肺年死亡率为0．48‰，接触粉尘与不接触

反映机体的冷热感觉宜采用

A.

B.

C.

D.

E.

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Which of the following is TRUE about Robot Asimo？

A．It looks like a human.

B．It can talk with people.

C．It can help out in our homes.

D．It can make different objects.

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Why did Central American children try to enter U. S. illegally？

A．Because they wanted to get good education in America.

B．Because they escaped from detention facilities in their country.

C．Because they wanted to live a better life than in their own country.

D．Because they went to find their relatives living in America.

请帮忙给出正确答案和分析，谢谢！

常用什么表示病程长的慢性病存在或流行的程度

A.发病率

B.患病率

C.某病病死率

D.某病死亡率

E.治愈率

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The study suggests that______.

A．a nation should find out the most suitable sleep pattern for its people

B．people with sleep problems should go to a doctor immediately

C．changes of lifestyle. should be the first measure to deal with sleep problems

D．more medicine to treat sleep problems should be put into market

请帮忙给出正确答案和分析，谢谢！