1、Topic thirteen Nature, world and environment,These days, something unusual is happening in our town. Every night, they heard strange noises outside the window. People in this town feel uneasy. So the police tried their best to search for the noise maker, but failed. There must be something visiting
2、the homes in our neighborhood, but what is it?,Guess,It might/could/can be It must be It cant be,Description words cute smart lovely lovable ,I like because They are from,Quick answer,Whats the highest mountains in the world? Whats the second longest river in the world? Is Yangze River is as long as
3、 the Amazon River? Is the Yellow Mountain higher than Mountain Hua ? ,Make sentences,1. What was the problem? 2. What caused the problem? 3. How should the problem be solved?,Discuss and make a list,Problem,_,_,Reason,_,Solution,【基础知识拓展】 提建议的句式有： You should . I suggest/advice that . Its better to do
4、 . Its important to do . Its a good way to . Its best to do . Remember to do .,话题语法整合解析,一、规则变化,high slow,higher slower,the highest the slowest,nice able,nicer abler,the nicest the ablest,easy early,easier earliest,the easiest the earliest,big thin,bigger thinner,the biggest the thinnest,interesting
5、common,more interesting more common,the most interesting the most common,二、不规则变化,better,worse,older/elder,less,farther/further,more,best,worst,oldest/eldest,most,least,farthest/furthest,知识拓展： elder和eldest只用于人，表示兄弟姐妹间的长幼排序。不与 than连用，作定语时只能用elder和eldest。 2. farther/farthest和 further/furthest指距离时表示的意义相
6、同， 可以互换。但是further还可以用来修饰抽象名词，表示“进一 步；更多的”。,3. 原级的用法,He is as excited as his younger sister. Jack works as hard as his brother. This room is not as/so big as that one. Mary doesnt dress so/as strangely as the other girls. We have as many cars as we did last year. I dont make as/so much money as you d
7、o.,4. 比较级的用法,5. 最高级的用法,He is the youngest child of all his classmates. I like spring (the) best of the four seasons. Chiang Mai has been one of the hottest tourist places for Chinese since the movie Lost in Thailand was shown. Which country is the largest, China, America or Canada?,6. 比较级和最高级的修饰语,a.
8、 比较级的修饰语 修饰比较级的常用词和短语有： even, still, much, a little, a lot, a bit, far, by far, a great deal, rather eg: Could you please speak a little more slowly so that I can follow you?,b.最高级的修饰语 常用的最高级的修饰语有序数词以及以下各词： by far, much, almost, nearly, far and away eg: This is by far the best book Ive ever read.,7. 倍数的表达方式,Their house is three times as big as ours. I have three times as many as you. Petro is twice more expensive than it was a few years ago. I am almost twice the age of yours. The earth is 49 times the size of the moon.,Thank you!,
