book7_u4_课件课时1welcometotheunitandwordpower内容摘要：
traffic jams。 not so fortable during peak hours because they are usually very crowded。 cause pollution。 … Means of transport Advantages underground train highspeed trains extremely fast and convenient。 … fast and convenient。 fortable。 fewer traffic accidents。 Means of transport Disadvantages underground train highspeed trains expensive to build。 … very expensive to build。 … Means of transport Advantages ships aeroplanes fortable fast/convenient。 relatively the safest way of travel。 … Means of transport Disadvantages ships aeroplanes relatively expensive。 … not fortable for those who are seasick。 relatively slow。 the safety of the trip would be affected by storms。 … • Each type of tr。阅读剩余 0%
本站所有文章资讯、展示的图片素材等内容均为注册用户上传(部分报媒/平媒内容转载自网络合作媒体)，仅供学习参考。
用户通过本站上传、发布的任何内容的知识产权归属用户或原始著作权人所有。如有侵犯您的版权，请联系我们反馈本站将在三个工作日内改正。