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1、1.The earth is 49 times larger than the moon.=The earth is 49 times as large as the moon.=The earth is 49 times the size of the moon.Grammar 1 Degrees of comparison 1(Page 43)Conclusion:1. 倍数倍数 + as as 2. 倍数倍数 + 比较级比较级 3. 倍数倍数 + the + n (size, height, length, weight, width, (size, height, length, we
2、ight, width, depth, age)depth, age) + of Grammar 1Grammar 11. What is wrong with the sentence?1. What is wrong with the sentence? I went there two times.I went there two times.2. 2.If object A is 10 metres long, and object B is If object A is 10 metres long, and object B is twice as long as object A
3、, how long is object B?twice as long as object A, how long is object B?3. 3.If object A weighs 100 kilogrammes and object If object A weighs 100 kilogrammes and object B is four times heavier, how heavy is object B?B is four times heavier, how heavy is object B?I went there twice.I went there twice.
4、20 metres long.20 metres long.400 kilogrammes.400 kilogrammes.Discuss in groups of three. Make sentences about the comparative sizes of the pairs. Use the words in the brackets .Winter in HarbinWinter in Beijing-20-5（cold/coldnesscold/coldness）Mount Tai Mount Qumolangma1521m8848m(high/height)(high/h
5、eight)Diameter (直径）直径）Earth=1 Jupiter=11(big/size)(big/size)Example:A: The Yangtze River is about three times as long as the Songhua River.B: The Yangtze River is about three times longer than the Songhua River.C: The Yangtze River is about three times the length of the Songhua River.Winter in Harbi
6、nWinter in Beijing-20-5（cold/coldnesscold/coldness）A:A:Winter in Harbin is four times as cold as in Beijing.Winter in Harbin is four times as cold as in Beijing.B:B:Winter in Harbin is four times colder than in Beijing.Winter in Harbin is four times colder than in Beijing.Mount Tai Mount Tai Mount Q
7、umolangmaMount Qumolangma1521m1521m8848m8848m(high/height)(high/height)A:A:Mount Qumolangma is about six times as high as Mount Qumolangma is about six times as high as Mount Tai.Mount Tai.B:B:Mount Qumolangma is about six times higher than Mount Qumolangma is about six times higher than Mount Tai.M
8、ount Tai.C:C:Mount Qumolangma is about six times the height Mount Qumolangma is about six times the height of Mount Tai.of Mount Tai.1. 1.Its becoming bigger and bigger.Its becoming bigger and bigger.2. 2.She is more and more beautiful.She is more and more beautiful.3. 3.The higher it flies,the smal
9、ler it The higher it flies,the smaller it appears.appears.A:Which of these structures is used to say that something is changing?B: Which of these structures is used to say that things change/are changing together?C:Which structures repeat the same adjectives/adverbs?Sentence 1.2.3Sentence 3Sentence
10、1.21. 1.Its becoming bigger and bigger.Its becoming bigger and bigger.2. 2.She is more and more beautifulShe is more and more beautiful3. 3.The higher it flies,the smaller it appears.The higher it flies,the smaller it appears.Answer the questions:Complete the sentences with the words in the Complete
11、 the sentences with the words in the box in suitable comparative forms.(Page92)box in suitable comparative forms.(Page92)warm healthy/long more/more more/less big warm healthy/long more/more more/less big Example: Air pollution is getting worse and worse.Example: Air pollution is getting worse and w
12、orse.1. people are, they will live.1. people are, they will live.2. we recycle, we waste.2. we recycle, we waste.3.The planet is getting .3.The planet is getting .4.According to scientists, the universe is getting 4.According to scientists, the universe is getting a a . .5. you practise, fluently yo
13、u will speak.5. you practise, fluently you will speak.6.I found it difficult to solve the problem.6.I found it difficult to solve the problem.The healthierThe healthierthe longer the longer The moreThe morethe lessthe lesswarmer and warmerwarmer and warmerbiggerbiggerand biggerand biggerThe moreThe
14、morethe morethe moremore and moremore and morePair work: Look at the passage and conclude the sentences structure. In the National Day holidays, I went back to my hometown to see my uncle. He was very happy to see me and said I was growing _ .(tall)I was surprised to see that my hometown was getting
15、 _(beautiful) and the farmers were _.(rich) Seeing my amazed look ,Uncle smiled and said ,“The more money you make , _you spend.”(much)After lunch , I decided to return. Uncle asked me to work hard. He said , “The harder you work at your lessons, _you will do in them.” taller and tallermore and more
16、 beautifulricher and richerthe morethe better(Page 47)1.Come a bit closer.2.We need rather more than that.3.It weighs a little more than before.4.Itll be a lot heavier than magnesium.5.Is it any heavier?6.We need a piece which is (very) much bigger than that. a bit rathera littlea lotany(very) much可
17、以修饰比较级的词可以修饰比较级的词 a bit/ a little (一点一点); rather/much/far/a lot/a great deal(比比得多得多)；any 一点一点/些（用于否定或疑问句）些（用于否定或疑问句）even/still 更加更加(加强语气加强语气)Yi Jianlian is very tall, but Yao Ming is even/still taller. 修饰比较结构还可用名词短语或分数：修饰比较结构还可用名词短语或分数：The student is a head taller than Soft, but Softis nearly 10kg h
18、eavier than he.The earth is one eleventh (1/11) as big as Jupiter.比较级需要强调的几个问题：比较级需要强调的几个问题：1. “The + 比较级，比较级， the + 比较级比较级”的语序问题的语序问题As far as I am concerned, education is about learning and the more you learn, _.A.the more for life are you equipped.B.the more equipped for life you are.C.the more l
19、ife you are equipped forD.you are equipped the more for life.2. 用比较级表示最高级意义的几个结构：用比较级表示最高级意义的几个结构： (1) 比较级比较级 + than any other + 单数名词单数名词 =“比较级比较级+than + any of the other+复数名词复数名词 如：如： Shanghai is larger than any other city in China. Shanghai is larger than any of the other cities in China. London i
20、s larger than any other city in Asia. Tom is taller than any other girl in his class. 我比我们班任何同学都努力。我比我们班任何同学都努力。 I study harder than any other student in our class. I study harder than any of the other students in our class. 3、否定形式的比较级的特殊意义、否定形式的比较级的特殊意义 （1）no + 比较级比较级 + than 意思是意思是“A和和B一样不一样不”。 Tom is no more careful than (as careless as) Mike. （2）not +比较级比较级+than 表示表示“A不比不比B更更”。如：如： Tom is not more careful than Mike.
