乌梅丸主治何种厥逆（）
A.气厥
B.蛔厥
C.痰厥
D.寒厥
E.热厥
参考答案：B
— Who is your favorite singer.Julia?
一 Well, it's hard to say. I like singers _____ write their own lyrics. [ ]
A. who
B. whose
C. which
D. what
用手拿一铜棒和丝绸摩擦，则铜棒上： [ ]
A.带正电
B.带负电
C.带正电或带负电不能确定
D.不带电
