[解析]
46.A.词意理解题.根据上文People are warned not to eat while driving.Any driver who is caught eating while at the wheel will be stopped by the police.可知人们被警告禁止开车吃东西,任何被看到的司机一定会被警察叫停,然后再根据₤50for it,从生活实际可知违反了交通法,需要罚款的,所以这里be fined应该是罚款的意思.故选A.
47.B 细节理解题.根据本段叙述"Notices in several languages have been put up at motorway service stations to warn foreign visitors of the rules."可知,国家在车站张贴了几种不同语言的通告以警告外国游客.选项分析:A.By reading the newspaper.通过读报纸;B.By reading the rules.通过读规矩;C.By asking the local people.通过问当地人;D.By listening to the radio.通过听广播;根据语境和选项对比可知应选B.故选B.
48.A.主旨大意题.根据文章总分结构可知,第一段结尾句"Many countries are trying their best to control it.France,for example,has made some strict rules and laws to stop it."是文章的主题句.选项分析:A.introduce the rules and laws against the illegal driving介绍针对违法驾驶的法律法规;B.discuss the rules against driving after drinking讨论限制酒后驾驶的有关规定;C.tell drivers not to make a phone call while driving告诉司机开车时不要打电话;D.talk about traffic accidents讨论交通事故.选项B、C和D都是文章中片面的提到,故正确答案为A.故选A.