滤料孔隙率大，它的含污能力就（）
A.高
B.低
C.不变
D.无法确定
参考答案：A
-Who ____ to join the skating club?
-I do. [ ]
A. want
B. wants
C. can
D. can't
太阳穴可治疗：
A．风疹、热病B．头痛、目疾C．腹胀、肠鸣D．心痛、心烦E．阳痿、遗精
___ to join the skating club?