Unit7Section A 1.ppt

1、Unit 7,Unit 7 Whats the highest mountain in the world?,Section A 1 1a2d,大多数形容词有三个级。 1. 原级: Structure : as . as. 像.一样 e.g. Tim is as tall as Tom. 2. 比较级 (用于两者之间的比较): Structure：形容词比较级 than . e.g. This box is bigger than that one.,形容词和副词的比较级和最高级,REVISION,3. 最高级(用于三者或三者以上的比较): Structure: the + 形容词的最高级of

2、 / in . e.g. Tom is the heaviest in our class. He is the most popular in our school.,规则变化 1) 一般情况下，单音节或双音节的形容词/副词比较级er， 最高级est。如: clever cleverer cleverest few fewer fewest small smaller smallest 等。,形容词、副词的比较级和最高级 规则变化和不规则变化,2) 以e结尾的词，比较级r，最高级st 即可。 如： nice nicer nicest cute cuter cutest large large

3、r largest 3) 以辅音字母y结尾的变y为ier或est 如: easy easier easiest happy happier happiest 再如：early, busy, heavy, dirty, lazy 也如此。,4) 重读闭音节，单辅音结尾的，双写这个辅音字母er 或 est的词： fat fatter fattest thin thinner thinnest hot hotter hottest red redder reddest wet wetter wettest big bigger biggest,5) 多音节和部分双音节的词需要在形容词 原级前more

4、 构成比较级，the most 构 成最高级。如： beautiful more beautiful the most beautiful 又如: delicious, popular, important, interesting, expensive, creative 双音节的词如: careful more careful the most careful useful more useful the most useful,少数单音节词也是这样，如： pleased more pleased the most pleased tired more tired the most tir

5、ed b) 不规则变化： good better best well better best bad worse worst many/much more most,far farther farthest (距离远) far further furthest (程度深) old elder eldest (长幼) old older oldest (年龄),三者或三者以上相比，表示最高程度时，用“the + 最高级”的结构表示。这种句式一般常有表示比较范围的介词短语。例如： Zhang Hua is the tallest of the three. He works (the) harde

6、st in his class.,最高级的用法,2. 最高级可被序数词以及 much，nearly，almost，not quite，not really，nothing like 等词语所修饰。例如： This hat is muchnearlyalmostnot nearlynot quitenothing like the biggest. How much did the second most expensive hat cost?,3. 表示“最高程度”的形容词，如 excellent，favorite, extreme，perfect等，没有最高级，也不能用比较级。 4. 形容词

7、最高级修饰作表语或介词宾语的名词、代词时，被修饰的词往往省略。 e.g. He is the tallest (boy) in his class. 5. 作状语的副词最高级前可以不加定冠词。 e.g. Of all the boys he came (the) earliest.,比较级考点 比较级修饰问题a little, a bit, even, still, much, a lot, far 等可修饰比较级。 e.g. Tom is a little taller than Jim. This book is much more interesting than that one.,中

8、考链接, 同级比较 e.g. The weather in Beijing is colder than that in Xian. Our school is bigger than yours. the + 比较级 e.g. Lucy is the fatter of the two girls., “a/an + 比较级”表示“又一，再一” e.g. Lily has a doll, but she wantsa bigger one. 隐性比较（没有than的情况） e.g. Who runs faster, Lucy or Lily? Youd better come earlier

9、 next time. He worked hard last term, but he works even harder this term., 越来越. 比较级 + and + 比较级 b. the + 比较级 + 句子，the + 比较级 + 句子 e.g. Its getting colder and colder. The more you exercise, the better you are.,2. 最高级考点 说明：形容词的最高级前必须加the；副词的最高级前省略the。 范围问题 e.g. Tom is the tallest student in the class.

10、Spring is the best season of the year., “.之一”问题 e.g. Beijing is one of the biggest cities in the world. “the + 序数词 + 最高级” e.g. I think he is the second tallest boy in his class.,3. 比较级和最高级的转换 e.g. Tom is the tallest student in the class. = Tom is taller than any other student in the class. = Tom is

11、taller than all the other students in the class. = No other students are taller than Tom.,总结： any other + 名词单数 the other + 名词复数 否定 + 比较级 = 最高级 比较级 + 极限 = 最高级,同级比较 as + adj./adv. + as e.g. She is as thin as Lily. He writes as carefully as Linda. not + as/so + adj./adv. + as e.g. Tony didnt run so fas

12、t as Carter.,1. Our family has bought a car so we can travel _ than before.（2008陕西） most easily B. less easily C. easily D. more easily 2. My father told me a story last night. It is _ one Ive ever heard.（2009陕西） the funniest B. funniest C. funnier D. the funnier,学以致用,D,A,3. The _ friends you have,

13、the _ you will be.（2010陕西） A. more, happy B. many, happy C. more, happier D. many, happier 4. When he heard a cry for help, he ran out as _ as he could.（2011陕西） hardly B. quickly C. finally D. slowly,C,B,5. This place is not big enough for Lucys birthday party. We should find a _ one.（2012陕西） big B.

14、 small C. bigger D. smaller,C,Presentation,square n. 平方,meter n. 米,deep adj. 深的,desert n. 沙漠,population n. 人口,Asia n. 亚洲,tour v. n. 旅行,tourist n. 旅行者,wall n. 墙,amazing adj. 令人大为惊奇的,ancient adj. 古代的,wide adj. 宽的；宽阔和,Do you know these interest places?,Qomolangma,Qomolangma runs along the border betwee

15、n China and Nepal. It is covered with snow all the year round. Its 8844.43 meters high, the highest in the world. Its 26 kilometers long.,The Nile is the longest river in the world. Its more than 6600 kilometers long. It runs through 9 countries, its one of the largest river flows through the intern

16、ational states in the world and runs into the Mediterranean Sea(地中海) in the end.,The Nile,The Caspian Sea,The Caspian Sea is the biggest salt lake in the world. It lies in the border between Asia and Europe.,The Sahara is the biggest desert in the world. It is located in the northern Africa, climate

17、 conditions are very bad, is one of the earths most not suitable for biological survival.,The Sahara,The Yangtze River is the third longest river in the world, the first Asian rivers. Its 6211.31 kilometers long. The Yangtze River Basin, east-west width of 3219 kilometers, about 966 kilometers wide

18、north-south, passing through 11 provinces. It runs into the East Sea in Shanghai finally.,The Yangtze River,What is the highest mountain in the world? What is the longest river in Asia?. ,Talk about these pictures in pairs.,1a Match the facts you know.,Practice in pairs like this: A: What is the in

19、the ? B: ,Practice,8,844 meters high. 8,844米高 meters high (long, wide) 米高（长，宽)。 英语表示“有多长（宽，高）”时，一般将数词和数量单位放在表示长宽高的形容词前作状语。 e.g. The wall is 1.7 metres wide.,Explaination,A: How high is Qomolangma? B: Its 8,844 meters high.,Practice,The biggest desert in the world is about 8,000,000 square kilometers

20、 in size.,How big is the Sahara? Its about 8,000,000 square kilometers in size.,1b Listen and complete the sentences.,1. Qomolangma is _ than any other mountain in the world. 2. The Sahara is _ desert in the world. 3. The Caspian Sea is _ of all the salt lakes. 4. The Nile is _ river in the world.,h

21、igher,the biggest,the deepest,the longest,2a Listen and number the facts(1- 4) in the order you hear them.,6,300 5,000 5,464 300,_ The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long. _ China has the biggest population in the world. Its a lot bigger than the popula

22、tion of the US. _ China is over _ years old. It has a much longer history than the US. The US is not even _ years old. _ China is almost as big as the US, but it is the biggest country in Asia.,4,2,1,3,2b Listen again and fill in the blanks in 2a with the numbers in the box.,6,300 5,000 5,464 300,_

23、The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long. _ China has the biggest population in the world. Its a lot bigger than the population of the US.,6,300,5,464,_ China is over _ years old. It has a much longer history than the US. The US is not even _ years old.

24、_ China is almost as big as the US, but it is the biggest country in Asia.,5,000,300,2c Make conversations using the information in 2a.,A: Did you know that China is one of the oldest countries in the world? B: Yes, I did. its much older than my country.,Practice,A: Did you know that Yangtze River i

25、s the longest river in China? B: Yes, I did. Its 6,300 meters long. B: Wow! Thats long!,中国的长城共有近一万公里，东起河北秦皇岛的山海关，西到嘉峪关，这是明代修筑长城的两个最大关口，北京境内的长城有600余公里，比较著名的有八达岭长城、金山岭长城、司马台长城、慕田峪长城、居庸关长城和箭扣长城等。,The Great Wall,2d Read the conversation and answer the questions:,1. Which is the biggest man-made objects in the world？ 2. Which is the most famous part of the Ming Great Wall?,The Great Wall.,Badaling part of the wall.,1. Fell free to ask me anything on todays Great Wall tour. 在今天的长城游中，大家尽管问我任何问题，不要拘束。,f