HIV的传播途径有()
A.性接触传播
B.注射传播
C.与感染者握手
D.人工授精
E.母婴传播
参考答案：A, B, D, E
吗啡禁用于
A．哺乳期妇女
B．颅脑外伤
C．肺心病
D．支气管哮喘
E．新生儿
My teacher asked me_______. [ ]
A. that I could fetch some chalk for her
B. if I could fetch some chalk for her
C. that can I fetch some chalk for her
D. if can I fetch some chalk for her
