Unit7 What7s the highest mountain in the world SectionA(Grammar_Focus-4c)精品ppt

1、初中英語人教版八年級下Unit7 Whats the highest mountain in the world?Section A（Grammar Focus-4c）.Learning aims: 1. 復(fù)習(xí)總結(jié)比較級及最高級的構(gòu)成及用法。 2. 運用比較級和最高級對同類事物進行描述。.Liu Xiang is taller than Zhou Jielun .Zhou Jielun is tall .Yao Ming is the tallest of them.姚明劉翔周杰倫Look and say. Whats the _ mountain in the world?(high) Qo

2、molangma. How high is Qomolangma? Its 8,844.43 meters high. Its _ than any other mountain.(high)highesthigherReviewFill in the blanks. Which is the_ (deep)salt lake in the world? The Caspian Sea is the _of all the salt lakes.(deep) Did you know that China is one of the _(old) countries in the world?

3、 Yes, I did. Its much _(old) than the US. deepestdeepestoldestolder.Presentation一、構(gòu)成規(guī)則原級比較級最高級（1）一般單音節(jié)詞在詞尾加-er和-estlongfastlongerfasterlongestfastest（2）以“e”結(jié)尾的單音節(jié)詞在詞尾加-r和-stnicelatenicerlaternicestlatest規(guī)則變化規(guī)則變化.規(guī)則原級比較級最高級（3）重讀閉音節(jié)，詞尾只有一個輔音字母，須雙寫最后一個輔音字母，再加-er或-estbighotsadgladbiggerhottersaddergladd

4、erbiggesthottestsaddestgladdest（4）輔音字母+y結(jié)尾，變y為i，再加-er和-estheavyangryfunnyheavierangrierfunnierheaviestangriestfunniest規(guī)則變化規(guī)則變化.不規(guī)則變化不規(guī)則變化原級比較級最高級good/well好的better更好的best最好的bad差的，ill壞的worse更差的；更壞的worst最差的；最壞的many/much多的more更多的most最多的little少的less更少的least最少的.不規(guī)則變化不規(guī)則變化原級比較級最高級old年老的；古老的older較老的；較舊的olde

5、st最老的；最舊的；最年長的elder年長的eldest最年長的far遠的farther（指距離）更遠的farthest（指距離）最遠的further（指距離和抽象概念）較深遠的furthest（指距離和抽象概念）最深遠的.二、常見用法原級原級句型例句(1)“as+形容詞原級+as”，在否定句中用“not so. . . as”結(jié)構(gòu)Lucy is not so tall as Lily. 露西不如莉莉高。(2)倍數(shù)+as+形容詞原級+asOur school is three times as big as theirs. 我們的學(xué)校是他們的三倍大。.用法例句(1)雙方比較，表示一方超過另一方

6、時，用“比較級+than”結(jié)構(gòu)China is larger than Italy. 中國比意大利大。(2)用于“l(fā)ess+原級+than”（注意此結(jié)構(gòu)不用于單音節(jié)詞）The book is less interesting than that one. 這本書不如那本書有趣。(3)倍數(shù)+比較級+thanThe box is three times bigger than that one. 這個箱子是那個的三倍大。比較級比較級.用法例句(4)“比較級+and+比較級”表示“越來越”O(jiān)ur country is becoming stronger and stronger. 我們的國家正變得越

7、來越強大。(5)“the+比較級，the+比較級 ” 表 示 “ 越 ， 就越”The more, the better. 多多益善。(6)the+比較級+of the two+名詞復(fù)數(shù)The taller of the two boys is my brother. 兩個男孩中，較高的那一個是我的哥哥。比較級比較級.用法例句(1)the+形容詞最高級+名詞+表示范圍的短語或從句Spring is the best season of the year. 春天是一年中最好的季節(jié)。(2)“one of the+最高級+復(fù)數(shù)名詞”表示“最之一”Kobe is one of the best bas

8、ketball players in NBA. 科比是NBA最好的籃球運動員之一。最高級最高級.1. Our family has bought a car so we can travel _ than before. 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. the funniest B. funniest C. funnier D. the funnier DA活學(xué)活用活學(xué)活用.3. The

9、 _ friends you have, the _ you will be. 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. A. hardly B. quickly C. finally D. slowlyCB.Fill in the blanks with the correct forms of the words in the box.big much popular long ol

10、d high1. The Amazon River is one of the _ rivers in the world. Its a little _than the Yangtze River.2. Qomolangma is 8,844.43 meters _. Its one of the most _ places for serious mountain climbers.longestlongerhighpopular4a.3. No ocean in the world is as _ as the Pacific Ocean.4. Although Japan is _ t

11、han Canada, it is _ smaller.bigoldermuch.Write two comparisons about two topics. Write true facts.Two rivers: _ and _The Yangtze River is almost as long as the Amazon River.The Amazon is longer than the Yangtze, but the Yangtze River is the longest river in China.the Yangtze Riverthe Amazon River4b.

12、1. She is _ than _. A. busier / us B. busier / we C. more busy / us D. more busy / we 2. China is _ country in the world. A. the third largest B. the largest third C. the third large D. a third largest4. Which is _ season in Beijing? I think its autumn. A. good B. better C. best D. the best AAExerciseD.4. Which is _, the sun, the moon or the earth? The moon is. small B. smaller C. smallest D. the smallest5. I study English as _ as my brother. A. hard B. harder C. hardest DA.7. Which is _, a bicycle or a computer? A. expensive B. more expensive C. the most expensive 8. The Yellow