【单选题】
Each year, hundreds of thousands of people die from heart attack, a leading cause of death.In the Landmark Physicians' Health Study at Harvard University in the United States in the late 1980s, a research team led by Dr.Heinekens studied 22 701 healthy male physicians, half of whom were randomly【B1】to take all aspirin every other day while the others took placebos(安慰剂).After the participants had been【B2】for an average of five years, the doctors in the aspirin group were found to have suffered 34 percent fewer first heart attacks.【B3】,a recent international study indicates that aspirin can be beneficial for those people with a history of coronary artery(冠状动脉) bypass surgery,【B4】of their , age or whether they have high blood pressure or diabetes.
According to a report by the American Heart Association, Doctors should consider prescribing【B5】aspirin for middle-aged people with a family history of, or【B6】for, heart disease.(Risk factors include smoking, being more than 20 percent overweight, high blood pressure and lack of exercise.)
Aspirin is also a lifesaver during heart attacks.Paramedics now give it routinely, and experts urge anyone with chest pain,【B7】if it spreads to the neck, shoulder or an arm, or is accompanied by sweating, nausea(恶心), light headedness and breathing difficulty to chew and【B8】an aspirin tablet immediately.
When taking aspirin for heart attack,【B9】the plain, uncoated variety.For even faster absorption, crush and mix with a little water.Speed of absorption is critical because most heart attack deaths occur【B10】the first few hours after chest pain strikes.
【B1】
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参考答案:
【单选题】下列关于冠状动脉斑块的描述哪项是正确的()
A.
CT不能直接测量斑块的CT值,亦不能判断其类型
B.
CT可以直接测量斑块的CT值,但不能判断其类型
C.
CT可以直接测量斑块的CT值,并初步确定其类型
D.
CT不能直接测量斑块的CT值,但可以确定其类型
【单选题】下列关于冠状动脉斑块的描述哪项是正确的()
A.
CT不能直接测量斑块的CT值,亦不能判断其类型
B.
CT可以直接测量斑块的CT值,但不能判断其类型
C.
CT可以直接测量斑块的CT值,并初步确定其类型
D.
CT不能直接测量斑块的CT值,但可以确定其类型
参考解析: