题目

--- I forgot what the homework was yesterday, sir.  ---   . Please do your homework right now.    A. I hope so                  B. You have nothing to do with it    C. It's all right                 D. Sorry, but that is not an excuse 答案：D我国由于冷锋活动而出现的天气有①沿海地区的台风②北方夏季的暴雨③冬季爆发的寒潮④冬春季节的大风、沙尘暴A.①②④B.①③④C.②③④D.①②③