JD－11.4绞车滚筒的容绳量为（）米。
A、300
B、400
C、500
参考答案：B
— ______is it from your home to the Summer Palace?
— It takes about 20 minutes to go there by car.
A．How long
B．How soon
C．How much
D．How far
小建中汤的主治是（）
A.脾胃虚寒
B.虚劳里急
C.中气下陷
D.脾胃虚弱
E.胃气上逆
