急性心肌梗塞时胸骨左缘出现粗糙的收缩期杂音,可能的原因是:()
A.肺淤血
B.室间隔穿孔
C.左心衰竭
D. * * 肌功能不全
E.三尖瓣关闭不全
参考答案:B, D
广告忠告语为“请按药品说书或在明药师指导下购买和使用”的药品是()
A.处方药
B.非处方药
C.乙类非处方药
D.甲类非处方药
People’s working efficiency usually decreases more or less when the temperature _________ 35℃ or even higher.
A.approaches
B.raises
C.draws
D.drops