治疗风痰入络证中风首选方剂是（）
A.天麻钩藤饮加减
B.真方白丸子加减
C.桃仁承气汤加减
D.羚角钩藤汤加减
E.镇肝熄风汤加减
参考答案：B
Although I had read the book assigned by the professor several times , it didn’t make any _____ to me.
A．meaning
B．importance
C．sense
D．significance
引起水体富营养化的主要化学元素是（）、（）。
