题目

把铅板和金板压在一起,几年之后,金板上渗入一些铅,铅板上渗入一些金,这种现象称为_______________ ,说明_______________________________。 答案:扩散  分子不停地做无规则运动10.时下,越来越多的家庭拥有了轿车,同时车祸也在不断上升.请围绕"How to Drive Safely?"写一篇文章,内容要点如下(括号中的词汇可供参考):为了保护你和他人,开车时应记住以下几点:( in order to,protect )(1)不酒后驾车;(drink wine )(2)不疲劳驾驶;( tiredly )(3)开车途中不使用电话;(4)遇到行人减慢你的车速.(slow down )注意:(1)语言流畅,内容连贯、正确,词数80 一100个;(2)文章开头、结尾已给出,但不计人总词数.How to Drive Safely?Nowadays,more and more families have cars.At the same time,there are a lot of car accidents every day.So in order to protect you and others,you should obey the following when you are driving:First youmustn't drive your car after drinking wine.If you really need to drink some,you can take a taxi or a bus to the restaurant or home; Then you'd better not drive tiredly.When you feel tired,you can stop your car tohave a rest;Next,don't use your phone when you are driving; And finally you should slow down when yousee someone walking on the road.If all the drivers can remember these,there will be fewer car accidents.
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