（可修改）初中英语阅读理解之主旨大意day2.ppt

技巧三: 从段落中归纳要点抓大意，理清线索. 有些文章或段落无明显的主题句, 只是暗示性地表达主 题. 这就要求考生在阅读过程中根据文中所表达的事实 或提供的线索来概括总结主旨大意 .......... 181h， Tom studied four years at the University of Paris and decided to leave before his graduation. He transferred to the University of Berlin and graduated with honors. Harvard Law School and, later, Boston College provided him with an excellent legal background. He is presently a corporation lawyer in Miami, Florida.The main idea of this paragraph is that ______.A. Tom, who had studied at Paris Universities for four years, moved to  another university.B. Tom became a lawyer since his graduation from  Harvard Law School and later from Boston College.C. Tom was an excellent student when he studied at  Berlin university.D. Tom received an excellent education. detail detail detail .......... 181h， 技巧四: 从段落中寻找高频率词 任何一篇文章都是围绕某个主题展开的，因此， 许多文章中最明显的特点之一是有一个反复出 现的中心词，即高频词，也叫做主题词 .......... 181h， Eg.9A new eight-kilometer road is under construction that links the port area with motorway system. It is expected to carry 20,000 trucks and cars a day, which greatly reduces the overcrowded traffic in the center of the city.As part of the project, two four-kilometer road tunnels are being built below the central area of the city, one for traffic to the north and the other for the traffic to the south. The two tunnels are about 20 meters below the surface and are 12 meters wide, providing for two lanes of traffic in each direction. In the upper part of the tunnel two air-conditioning pipes remove the waste gas of trucks and cars and keep the quality of air inside the tunnel. The lighting is at the top of the tunnel, practically at its highest point. There will also be electric signs at frequent intervals. They show traffic conditions ahead and can be seen clearly by drivers. The wall is made up of four main elements, which include a waterproofing covering and, on the inside of the tunnel, a concrete lining. Each tu