紫雪长于（）
A.化痰开窍，消肿止痛
B.清热解毒豁痰
C.芳香开窍，化浊
D.熄风止痉
E.芳香开窍，温中
参考答案：D
He often asks his mom __________ his favorite drinks when she shops.[ ]
A. buy
B. to buy
C. buying
D. bought
一般来说，短期政府债券的收益率可被用作确定基础利率的参照物。( )
