控制疟疾临床症状的首选药物是
A．氯喹B．伯氨喹C．奎宁D．青蒿素E．乙胺嘧啶
参考答案：A
— We have a lot of rules at my house.
— . How unlucky we teenagers are! [ ]
A. We do so
B. So we do
C. So do we
D. We so do
什么是结构域？什么是结构域拼接？
