来源于中草药的祛痰镇咳、平喘药是
A.桔梗流浸膏
B.远志酊
C.复方甘草合剂
D.灯盏花素
E.复方丹参
参考答案:A,B,C
—Does Lingling like meat?
—______[ ]
A. Yes, he does.
B. No, she does.
C. No, she doesn't.
运动负荷试验时,极量心率粗略计算法为()
A.190-年龄
B.200-年龄
C.210-年龄
D.220-年龄
E.250-年龄