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1、Unit 3,The Rainbow of Knowledge For more than of my life -39 of my 50 years-Ive either studied or taught in a school or a college in New York. three quarters one-tenth ，十分之一 ，a third 三分之一 分子可用one 或a表示，当分子大于1，分母用复数形式。 分数修饰名词时，若该名词是不可数名词只能用单数；若是可数名词，用单数或复数均可。 Only one-fifth of air consists of oxygen氧气
2、只占空气的15 About two thirds of the students attendthe meeting大约23的学生都参加了会议,You might think, then, that after all this time Id have some grasp of the situation ,that Id actually know things-that Id have some positive sense of assurance, of certainty , about knowledge and about life. But I dont know. gra
3、sp catch hold of , grip , grab vt. 抓住，握牢，握紧 She was trying to grasp at something. 她正试图抓住什么东西 He grasped both my hands. 他紧紧抓住我的双手。,Vt.理解，明白，领悟 The Government has not yet grasped the seriousness of the crisis. 政府当局还没有意识到这场危机的严重性。 He instantly grasped that Stephen was talking about his wife. 他马上就明白斯蒂芬在
4、说他的妻子。 n.掌握，控制 The people in your grasp are not guests, they are hostages. 你所控制的这些人不是客人，而是人质。 She allowed victory to slip from her grasp. 她让胜利从手中溜走了。,assurance n.保证，担保；保险；确信，自信；厚脸皮，无耻 certainty confidence promiseHe would like an assurance that other forces will not move into the territory that his f
5、orces vacate. 他想确保其他势力不会在他的军队撤离后进入这个地区。,To say that more I know, the more I know I dont know is, of course, contradictory. But then, modern physics tells us that reality itself is contradictory. The more scientists look into our physical reality, the more it slips away from them. In a way, the more
6、they learn ,the less they know. look into 调查，观察，深入地检查，到里查资料 investigate, go over, suss out , check into, check out ,check over , check up on 1. The government will look into how to reduce unemployment. 政府将研究如何降低失业率。,2. He chooses to look into the matter till the truth is out. 他决定调查那件事至真相大白. slip away She slipped on the ice. 她在冰上滑倒了。glide by , sneak away , sneak off 不告而别；蹽；溜走；溜 Leaving his name off the list was a bad slip up. 名单上没有他的名字是个严重的疏忽。,in the way to some extent 在某种程度上,从某一点上看 in the way挡道，妨碍 in no way 决不，一点也不语气 on the way 在途中 in some respects 在某些方面 in a sense 从某种意义上来说,谢谢,
