三品一条枪中含有（）
A.士的宁
B.二萜类
C.硫化汞
D.硫化砷
E.乌头碱
参考答案：D
Be sure _____ miss them if they come to a city near you. [ ]
A. to not
B. don't to
C. not to
D. doesn't to
该图是某区域某时地面天气简略。读图回答下列小题。
图中M地的风向是（）
A.东北
B.东南
C.西北
D.西南
