1、1阅读理解 第15课时主旨大意三2主旨大意是文章的核心，包括对title,main idea或者main purpose的判断选择，也会以“mainly tell about”一类的形式出现。做这类题时，仔细阅读文章或段落的首尾句是关键。多采用浏览法，一般不需逐句细读，只选读文章的首段、尾段，或每段的首句和尾句，重点搜索主题线索和主题信息。但是当讲述一个故事时，则要抓住每段文字的关键句。3(2011江苏卷)We know the famous ones theThomas Edisons and the Alexander Graham Bells but what about the les
2、s famous inventors?What aboutthe people who invented the traffic light and thewindshield wiper(雨刮器)?Shouldnt we know whothey are?4Joan McLean thinks so.In fact,McLean,aprofessor of physics at Mountain University in Range,feels so strongly about this matter that shes developeda course on the topic.In
3、 addition to learning“who”invented“what”，however,McLean also likes herstudents to learn the answers to the“why”and“how”questions.According to McLean,“When students learnthe answers to these questions,they are better preparedto recognize opportunities for inventing and moremotivated to give inventing
4、 a try.”5Her students agree.One young man with a patentfor an unbreakable umbrella is walking proof ofMcLeans statement.“If I had not heard the story of thewindshield wipers invention，”said Tommy Lee,asenior physics major,“I never would have dreamed ofturning my bad experience during a rainstorm int
5、osomethingsoconstructive.”Leeiscurrentlynegotiating to sell his patent to an umbrella producer.6So,just what is the story behind the windshield wiper?Well,Mary Anderson came up with the idea in 1902 after avisit to New York City.The day was cold and stormy,butAnderson still wanted to see the sights,
6、so she jumpedaboard a streetcar.Noticing that the driver was strugglingto see through the snow covering the windshield,she foundherself wondering why there couldnt be a builtin devicefor cleaning the window.Still wondering about this whenshe returned home to Birmingham,Alabama,Andersonstarted drafti
7、ng out solutions.One of her ideas,a lever(操作杆)on the inside of a vehicle that would control an armon the outside,became the first windshield wiper.7Today we benefit from countless inventions andinnovations.Its hard to imagine driving withoutGarrett A.Morgans traffic light.Its equally impossibleto pi
8、cture a world without Katherine J.Blodgettsinnovation that makes glass invisible.Can you picturelife without clear windows and eyeglasses?859.Which of the following can best serve as thetitle of this passage?A.How to Help Students to Sell Their Inventionsto Producers?B.How to Design a Builtin Device
9、 for Cleaningthe Window?C.ShouldntWeKnowWhoInventedtheWindshield Wiper?D.Shouldnt We Develop Invention Courses inUniversities?9【点拨】主旨大意题。通常对文章题目的选择其实就是对文章主体内容的归纳，对文章主旨的总结。选择最佳标题时，首先要弄清文章的大意。可以先从文章的首尾段入手。文章第一段最后一句Shouldnt we knowwho they are？并且用了疑问句加强语气，后面讲述发明雨刮器的故事及其作用，并且这个故事启发了一个学生进行了自己的发明创造，由此可见学习这样的故事的重要性。可见C选项正确。
