初中英語(yǔ)人教新目標(biāo) (Go for it) 版八年級(jí)下冊(cè)Section A教學(xué)演示課件ppt

這是一份初中英語(yǔ)人教新目標(biāo) (Go for it) 版八年級(jí)下冊(cè)Section A教學(xué)演示課件ppt，文件包含人教版八年級(jí)英語(yǔ)下冊(cè)精品課件Unit7What’sthehighestmountainintheworld-SectionA2教學(xué)課件ppt、人教版八年級(jí)英語(yǔ)下冊(cè)Unit7What’sthehighestmountainintheworld第二課時(shí)SectionA-BGrammarfocus-1d導(dǎo)學(xué)案doc、八年級(jí)英語(yǔ)下冊(cè)教案Unit7WhatsthehighestmountainintheworldThethirdperiodGrammarFocus-4cdoc、SectionA2amp3、SectionA2bmp3、SectionA2dmp3、Unit7-SectionA2dswf等7份課件配套教學(xué)資源，其中PPT共37頁(yè)， 歡迎下載使用。
 Unit 7  What’s  the  highest  mountain  in  the world?第二課時(shí)Section A-B(Grammar focus-1d) 【Free talk】What’s  the most dangerous  mountain  in  the world?【學(xué)習(xí)目標(biāo)】學(xué)習(xí)并掌握下列單詞：paragraph ,southwestern, thick , include, freezing, condition, succeed, challenge, achieve, force, nature, ocean , the Pacific Ocean2.學(xué)習(xí)并掌握下列短語(yǔ)：freezing weather conditions, heavy storms, take in air, risk their lives, give up, the force of nature, in the face of ，at birth, live up to.3.學(xué)習(xí)并掌握下列重點(diǎn)句子：1）Even more serious difficulties include freezing weather conditions and heavy storms. 2). It is also very hard take in air as you get near the top.3). One of the main reasons is because people want to challenge themselves in the face of difficulties.4). The spirit of these climbers shows us that we should never give up trying to achieve our dreams.4. Grammar focus: 1)形容詞最高級(jí)的用法；2) 掌握量詞的用法。【導(dǎo)學(xué)案】寫(xiě)出下列短語(yǔ)和句子：1. 最危險(xiǎn)的運(yùn)動(dòng)之一_________________　2. 綿延中國(guó)西南邊界_________________　3.暴風(fēng)雪4.吸入　_________________　5.冒生命危險(xiǎn)__________________6.放棄____________7.實(shí)現(xiàn)我們的夢(mèng)想8.大自然的力量 ___________________ 9.即使_______________10.登山者的精神___________________11.直立行走_(dá)________________12.出生時(shí)___________ 13.live up to ____________13. Even more serious difficulties include freezing weather conditions and heavy storms.___________________________               _                     14. One of the main reasons is because people want to challenge themselves in the face of difficulties.____________________________________________________________________________15. The spirit of these climbers shows us that we should never give up trying to achieve our dreams.__________________________________________________________________________________【課中案】一、自主學(xué)習(xí)：閱讀3a文章回答下列問(wèn)題。   1. What’s one of the most dangerous sports?   2. Why is Qomolangma so dangerous?   3. Who is the first woman reaching the top?   4. What’s the spirit of the climbers?二、合作探究、質(zhì)疑解惑：★重點(diǎn)語(yǔ)法形容詞和副詞的比較級(jí)和最高級(jí)的用法【要點(diǎn)探究】  1.英語(yǔ)形容詞，副詞比較等級(jí)有三個(gè)：原級(jí)，比較級(jí)和最高級(jí)。 形容詞比較等級(jí)形式變化有規(guī)則的和不規(guī)則的兩種。 規(guī)則變化 (1)單音節(jié)詞末尾加-er（比較級(jí)），-est（最高級(jí)） 【例】 原級(jí) 比較級(jí) 最高級(jí) great greater greatest    small smaller smallest     quiet  quieter  quietest(2)單音節(jié)如以e結(jié)尾，只加-r（比較級(jí)），-st（最高級(jí)） 【例】 fine finer finest   nice nicer nicest       wide  wider  widest (3)閉音節(jié)單音節(jié)詞如末尾只有一個(gè)輔音字母，（輔音﹢元音﹢輔音【w,r除外】）須先雙寫(xiě)這個(gè)輔音字母，再加-er（比較級(jí)），-est（最高級(jí)） 【簡(jiǎn)記：大紅辣椒潮濕瘦變胖】big   bigger  biggest    hot  hotter  hottest    red  redder  reddest fat   fatter  fattest   thin  thinner  thinnest     wet  wetter  wettest （4）輔音字母加y結(jié)尾的詞，則變y為-i，再加-er和-est。。 【例】 easy easier easiest   healthy healthier healthiest   sunny sunnier sunniest （5）其它雙音節(jié)和多音節(jié)詞皆在前面加單詞more和most。 【例】 delicious   more delicious   most delicious carefully  more carefully   most carefully注意：tired  more tired  most tired（6）不規(guī)則變化  原級(jí) 比較級(jí) 最高級(jí) good/ well  → better   best，      bad  →  worse  worst，     many/ much  →  more  most        little  →  less  least ，           far  → farther/further  farthest/furthest 注：有些形容詞一般沒(méi)有比較等級(jí)。如： right, wrong, woolen等。 2.形容詞的比較等級(jí)的用法：比較級(jí)用于二者的比較，并且用于同類(lèi)事物之間的比較，不同事物之間不可以比較。最高級(jí)用于三者或三者以上比較。（1）用于兩者比較，表示“……比……更……”①“A+系動(dòng)詞+形容詞比較級(jí)+than+B” Tony is older than Mike.              Tony 比Mike年紀(jì)大。He looks healthier than his friend.       他比他的朋友更健康。②“A+謂語(yǔ)動(dòng)詞+副詞比較級(jí)+than+B”He runs faster than Li Ping.           他比李平跑得快。She sings better than Kate.           她比Kate唱歌唱得好。(2)三者或三者以上比較，表示“最……”， ①A+系動(dòng)詞+the+形容詞最高級(jí)+of短語(yǔ)/in短語(yǔ)He is the tallest of the three.          他是這三個(gè)人中最高的。She is the funniest in her class.        她是她們班最有趣的。②A+謂語(yǔ)動(dòng)詞+（the）+最高級(jí)+of短語(yǔ)/in短語(yǔ)The station chooses the songs most carefully.   這個(gè)電臺(tái)選擇歌曲最細(xì)心。③A+ be + one of the+最高級(jí)+名詞復(fù)數(shù)China is one of the oldest countries in the world.中國(guó)是世界上最古老的國(guó)家之一（3）其他用法及講解：①形容詞、副詞比較級(jí)前可以用表示程度的詞來(lái)修飾如：a little, a lot，much ,even ,a bit, far, still ，by far等詞You look a little thinner than last year.       你看起來(lái)去年瘦了一點(diǎn)。The box is much bigger than that one.        這個(gè)盒子比那個(gè)大得多。The matter gets even worse.                事情變得更糟糕了。③表示“兩個(gè)中比較……”的，用“the﹢比較級(jí)﹢of the two”.例：The girl is the taller of the two.這個(gè)女孩是兩個(gè)(人)中較高的一個(gè)。The blue sweater is the cheaper of the two.這件藍(lán)色的毛衣是兩個(gè)中比較便宜的。④表示“大幾歲”“長(zhǎng)幾米”“高多少”“年輕多少”“多少倍”等，用“數(shù)量＋比較級(jí)+than”，如：I am two years older than my sister.我比我的妹妹大兩歲。The river is ten kilometers longer than that one.這條河比那條河長(zhǎng)十米。The mountain is six meters higher than that one.這座山比那座山高十米。The box is twice bigger than that one.這個(gè)盒子比那個(gè)大兩倍。⑤比較級(jí)+and+比較級(jí) 或  more and more +原級(jí)（多音節(jié)），表示“越來(lái)越……”指事物本身程度的逐漸增長(zhǎng)。如：Summer is coming, it gets hotter and hotter.夏天將要來(lái)臨，天變得越來(lái)越熱。Our town is getting more and more beautiful.我們的小鎮(zhèn)變得越來(lái)越美麗。The story is more and more interesting.故事越來(lái)越有趣了。⑥“the + 比較級(jí)……，the +比較級(jí)……”表示：“越……，越……”用來(lái)表示一方的程度隨著另一方的程度平行變化。如：The more he eats, the fatter he gets.他吃得越多，他就變得越胖。The better you do, the more you will get.你做得越好，你得到的越多。⑦在含有or的選擇疑問(wèn)句中，如果有兩者供選擇，前面的形容詞要用比較級(jí)形式。如：Who is taller, Tim or Tom?Tim還是Tom, 誰(shuí)更高?Which one is better this one or that one?哪一個(gè)更好，這個(gè)還是那個(gè)?⑧同一類(lèi)人或事物在某一范圍內(nèi)進(jìn)行比較時(shí)，常用“比較級(jí)+than any other+名詞單數(shù)”，如：Shanghai is bigger than any other city in China.在中國(guó)，上海比其他城市都大。（上海市中國(guó)最大的城市。）Tony is taller than any other student in our class.Tony 是我們班最高的學(xué)生。（4）原級(jí)比較同一級(jí)別的比較，一般用“as+形容詞/副詞原級(jí)+as”,表示“和……一樣……”，如:Mr Green is as healthy as Mrs Green.格林先生和格林太太一樣健康。He is as tall as me.他和我一樣高。注：“not as +形容詞/副詞原級(jí)+ as”意為“不如……”或“not so…as…”He does not run as fast as his brother.他跑得不如他的哥哥快。Tom is not so funny as Mike.Tom 不如Mike 幽默有趣。【精題演練】  (1)The red pencil is ____ than the green one.A. short   B. shorter   C. nice     D. the shortest   (2012北京) （2）She looks _____ than she does. A. the more older   B. very older   C. much older   D. more older (3) They competed（比賽） to see who could work _____. A. the fastest and best    B. the faster and the better C. fastest and better      D. faster and better【課后案】詞的適當(dāng)形式填空1.What’s the _______(high) of Qomolangma.2 It’s _________(safe) and ______(fast) to climb the Qomolangma now.3. The most important thing is______(save)  lives.4.Do you know the first people ____(land) on the moon?5. Which is________(big),the sun,the moon or the earth?6. --What do you think of Miss Li's teacher?
　--Oh, no one teaches is ____.     A. well   B. better   C. best  D. good
7. This is_________(good)gift I have ever received.I love it very much. 8. ______ fine weather we have today!     A What  B How   C What a9. The new building is ______the old one .A.as twice hight as   B.as hight twice as  C.twice as high as   D.as hight as twice完成句子/根據(jù)要求完成句子。  1. 站得越高，看得越遠(yuǎn)______   _______ we stand , ____  _____ you’ll see  2. 他每天總是第一個(gè)來(lái)最后一個(gè)走He is always _____ _____ _____ _____ , and ____ ____ ____ ____ .3. 黃河是中國(guó)第二長(zhǎng)河。 The Yellow River is                                          in China.4. We have realized that air pollution is going _____ _____ _____ _____ in our city (越來(lái)越糟).5.厚厚的云層蓋住山頂并且雪下得很大。______________________________________________________________________________