麻杏甘石汤的功用是
A．疏风泄热，宣肺止咳
B．疏散风热，宣肺止咳
C．解表散寒，兼清里热
D．辛凉透表，清热解毒
E．辛凉宣泄，清肺平喘
参考答案：E
甲乙两物体通过的路程之比为是4：3，速度之比为3：2，则两物体行驶时间之比为（ ）
A．9：8
B．8：9
C．2：1
D．1：2
—May I come in? I'm sorry I'm late.
—Come in, please. But could you tell me ?[ ]
A. how do you come to school
B. what were you doing then
C. who you talked with
D. why you are late
