小蓟的功能是
A．化瘀止血，活血定痛B．化瘀止血，理气止痛C．凉血止血，清热利尿D．温经止血，安胎
参考答案：C
He _______ to go to Tsinghua University to study after graduating from high school, so he is working very hard.
A．demands
B．defends
C．desires
D．designs
三角带的截面楔角是（）
A.36°
B.38°
C.40°
