青蒿素属于
A．抗阿米巴原虫药
B．抗肠虫药
C．抗疟药
D．抗结核病药
E．抗滴虫药
参考答案：C
I hope you are __ good health. [ ]
A. in
B. on
C. with
D. for
怎样理解语言的全民性特点？
