行车中遇老人横过道路,行动缓慢,可持续鸣喇叭催促。
参考答案:错
Did you ____ breakfast at home? [ ]
A. have
B. had
C. ate
D. got
麦门冬汤原方中麦冬与半夏的用量比例是()。
A.7:1
B.6:1
C.5:1
D.4:1
E.3:1