1.D.advise people about safe driving in winter 2.B.drivers should think more about problems in winter driving 3.A.to show how important smooth movements are4.C.The stopping distance on ice is as long as the usual one. 答案给你了。。文章的意思还是你自己查字典比较好，直接告诉你只会害了你。不懂的单词就查下字典。。这片文章很简单的。
