What are the consequences of heart attack?
A. myocardial dysfunction
B. arrythmia
C. cardioversion
D. sudden death
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What are the symptoms of heart attack?
A. shortness of breath
B. weakness and tiredness
C. pectoralgia
D. nausea
E. being asymptomatic
What are the treatments of heart attack?
A. coronary artery bypass surgery
B. medication
C. procedures like angioplasty, inserting stent
D. ECG ， blood test and high-tech cardiac suite
What are the preventive measures of heart attack?
A. weight loss
B. exercise
C. healthy diet
D. medication
上层建筑对经济基础的决定作用，主要表现在（）
A. 经济基础决定上层建筑的产生、变化与发展
B. 经济基础决定上层建筑的性质
C. 经济基础决定上层建筑是否具有反作用
D. 经济基础决定上层建筑是否包括自然科学
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