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Researchers have announced（宣布）the result of two studies on the health effects of the drug aspirin（阿斯匹林）. One study shows aspirin can sharply reduce the chance that a healthy, older man will suffer from a heart attack（心脏病）.

　 The study offered two new results from earlier findings. It said taking one aspirin pill every other day helped only healthy men over the age of fifty. It also said aspirin gave the greatest protection against heart attacks to men with low blood cholesterol（胆固醇）levels.

　 Earlier in the United States began a major aspirin study in the early 1980s. It included 22,000 healthy men doctors. All were between the ages of fifty and eighty-four. Almost 11,000 of the doctors took a harmless（无害的）pill that contained no drug. The men did not know which kind of pill they were taking.

　 The doctors who took aspirin suffered 44% fewer heart attacks than those taking the harmless pill. 139 men who took aspirin suffered from heart attacks. Ten of them died. 239 men who did not take aspirin suffered from heart attacks. Twenty-six of them died.

The researchers said the doctors’ study provided clear proof（证据）that taking aspirin could prevent a first heart attack in healthy, older men. They said, however, the result did not mean every man over the age of fifty should take aspirin. They said aspirin couldn’t help men who did not eat healthy foods, who smoked cigarettes and who were fat. The researchers said men who thought they would be helped by taking aspirin should talk with their doctors first.

小题1:The passage tells us that the new use of aspirin is ______.

A．to treat heart disease

B．to reduce pain while one suffers from a heart attack

C．to help old people to be more healthy 　

D．to reduce the chance of a heart attack in old men小题2:Aspirin can help those who ______.

A．work as doctors

B．are under 40 years old

C．are fat and smoke cigarettes

D．are older and healthy小题3:At last the researchers advised us to take aspirin ______.

A．with care

B．as much as we like

C．every day

D．only considering the age小题4:From the experiment we can know that about ______ of people who suffered from heart attacks without aspirin died.

A．7%

B．11%

C．19%

D．44%

特殊用途化妆品需经（）。

A.国务院批准

B.卫生部批准

C.省级卫生行政部门批准

D.县级以上卫生行政部门批准

E.卫生检验机构批准

我国历史上第一次大规模农民起义是 [ ]

A、大泽乡起义

B、黄巾起义

C、瓦岗军起义

D、太平天国运动

从口腔临床交叉感染的病原学考虑，最危险而又最典型的感染是( )

A．细菌感染

B．病毒感染

C．真菌感染

D．原虫感染

E．以上均正确

高层建筑的标准层可按每（）层作为一检验批

A.4

B.3

C.2

D.5