Theworldhaschangedforthebetter.pptVIP

Do you know where it is? 1a H: You have been in New York for a long time. How do you like living there? B: It’s great. I really love it. H: But I heard the traffic there was terrible and everyone drove too fast. B: Oh, you will get used to it very soon. H: But I also heard the streets were dirty. B: They used to be, but the city has improved a lot since I came here a few years ago. 1a H: You __________New York____________. How _________________ B: It’s great. I really love it. H: But I heard the traffic there __________and everyone drove______. B: Oh, you will __________it very soon. H: But I also heard the streets_________. B: They _______be, but the city_________________________ Read 1a and try to match. traffic streets parks schools museums restaurants place wonderful terrible good famous dirty beautiful excellent Match and form compounds then guess the meanings. mother basket film birth home green room grand house hand Match and form compounds then guess the meanings. friend wash fire down tooth pan day police rain farm What problems does the large population cause? There is less living space. The city is more crowded than before. It is difficult for lost of people to find jobs. What could we do?Can we help them? Prefix (前缀) 构词法 (Word Formation ) 构词是按一定的规律和习惯创造新词,英语的构词方法主要有四种:合成,派生,转换和缩略.其中最常见的是合成和派生.下面我们来看看构词法基本的三项： 1．词根（Root） 2．派生词（Derivative） 3．合成词（Compound Words） A．词根（Root） 定义：英文词形成的“根基”部分称为词根（亦称 字根）。 现以“like”为例列示如下： Root like................................................... 像 a-like.................................................... 相像 un-like................................................... 不像 like-ness............................................ 相像 un-like-ness............................................ 互不相像 解说：如例所示“like”就是“alike…unlikeness”等词的 词根。词根大部分都是单音节，无重音，但是由单音节词根派生出来的多音节词就有重音，此时重读音节 原则上都是落在词根，例如“a-like，like- ness，un-like-ness”。 B．派生词（Deriva