人教新目標版英語八年級下冊Unit 7《What's the highest mountain in the world》Section A Grammar focus-4c課件+音視頻+ 語言點精講精練(含答案)

這是一份人教新目標版英語八年級下冊Unit 7《What's the highest mountain in the world》Section A Grammar focus-4c課件+音視頻+ 語言點精講精練(含答案)，文件包含人教新目標版英語八年級下冊Unit7《Whatsthehighestmountainintheworld》SectionAGrammarfocus-4c課件ppt、人教新目標版英語八年級下冊Unit7《Whatsthehighestmountainintheworld》SectionAGrammarfocus-4c語言點精講精練含答案doc、Unit7SectionASectionAGF-4c單詞錄音mp3等3份課件配套教學資源，其中PPT共31頁， 歡迎下載使用。
Unit 7 What's the highest mountain in the world?Period 3 SectionA Grammar focus-4c 人教新目標版英語八年級下冊Presentation1.掌握下列詞匯：ocean, the Pacific Ocean掌握句型：Which is the deepest salt lake in the world?Did you know that China is one of the oldest countries in the world?It’s much older than the US.No ocean in the world is as big as the Pacific Ocean.It’s higher than any other mountain.2. 通過閱讀翻譯Grammar focus里的句子，能夠說出形容詞、副詞的原級，比較級和最高級的結(jié)構(gòu)和用法；能夠正確用英語讀出大數(shù)字，能夠用大數(shù)字表達物體的長、寬、高、深。3.通過4a的句子填空，4b的用as…as，比較級和最高級對事物做比較，鞏固所學的語法知識，在具體的運用中學會語言。4. 通過本節(jié)課學習,提高同學們對于保護瀕危野生動物的意識。PresentationLook and sayCan you translate the following sentences?長江大約長6,300千米。The Yangtze River is about 6,300 kilometers long. 黃河長5,464千米。The Yellow River is 5,464 kilometers long.珠穆朗瑪峰高8,848.86米，所以攀登起來很危險。Qomolangma is 8,848.86 meters high and so is very dangerous to climb.PresentationLook and sayDo you remember these numbers?8,848.869,600,0001,0256,671讀作：six thousand, six hundred and seventy-one讀作：one thousand and twenty-five讀作：eight thousand, eight hundred and forty-eight, point eight six 讀作：nine million, six hundred thousand 1.千位及千位以上數(shù)字的表達：以三位數(shù)為一個單位，每三位數(shù)用“，”隔開。2.逗號讀法:朗讀時，將每三位數(shù)看做一個單位，依次為thousand千, million百萬，billion十億。每個單位按照百、十、個位向下讀，其中百位到十位之間要加入 and。小數(shù)點讀point。PresentationLook and sayCan you tell me some facts using the numbers?8,848.869,600,0006,6711,025Qomolangma is meters high.The Sahara is square kilometers in size.The Caspian Sea is meters deep.The Nile is meters long.長、寬、高、深的表達法： 基數(shù)詞+度量詞（meters，kilometers, square kilometers）+形容詞（long, wide, high, deep等）。當基數(shù)詞大于1時，度量詞用復數(shù)形式。也可以：基數(shù)詞 + 單位詞 + in + 名詞（length, width, height, depth, size等）詢問： How + long (wide, high, deep, big…) …Presentationthe Pacific Ocean太平洋Listen and repeatocean n. 大海；海洋PresentationListen and repeatTop of the world 1.The Nile is the longest river in the world.2.The Caspian Sea is the deepest of all the lakes.3.Qomolangma is one of the highest mountains in the world. 4.Sahara is the biggest dessert in the world.superlativedegree(最高級)PresentationRead and translateRead the sentences and translate them.PresentationRead and translateFill in the blanks according to grammar focus.1. 世界上哪座山最高？What’s the _______ mountain in the world?2. 珠穆朗瑪峰最高。 Qomolangma.3. 珠穆朗瑪峰多高？ ____________ is Qomolangma?4. 它高8,848.86米。它比任何一座山都高。 It’s 8,848.86 meters _____. It’s _______ than ____________mountain.5. 世界上哪一個咸水湖最深？Which is the _________ salt lake in the world?6. 在所有的咸水湖中里海最深 The Caspian Sea is the ______________the salt lakes.7. 你知道中國是世界上最古老的國家之一嗎? Did you know that China is one of the______________ in the world. 8. 是的。它比美國歷史悠久的多。 Yes, I did. It’s _____________ than the US.highestHow highhighhigherany otherdeepestdeepest of alloldest countriesmuch olderPresentation探究語法規(guī)律What did you find out?探究一：如何詢問和表達物體的長度、寬度、高度、深度等。如何詢問物體的長度、寬度、高度、深度等？句型： How + long (wide, high, deep, big, heavy…)+謂語+主語+其他？How wide is the mirror? 那面鏡子有多寬？探究語法規(guī)律探究一：如何詢問和表達物體的長度、寬度、高度、深度等。如何表達物體的長度、寬度、高度、深度等呢？觀察并總結(jié):It's 8,844.43 meters high.______+______+___________(long, high, wide, deep…)構(gòu)成的; 基數(shù)詞度量詞長\高\寬\深主+be+物體的長、寬、高、深的表達法： 基數(shù)詞+度量詞（meters，kilometers, square kilometers）+形容詞（long, wide, high, deep等）。當基數(shù)詞大于1時，度量詞用復數(shù)形式。老虎路有200米長，而且濕度很重。Tiger Path is 200 ______ _____ and has a high humidity.我們走上三層樓，大概10米左右高。We walk up three floors, which is about ten _______ ______.那面鏡子有兩米寬。The mirror is two _______ ______.meters longmeters highmeters widePresentation探究語法規(guī)律探究一：如何詢問和表達物體的長度、寬度、高度、深度等。如何表達物體的長度、寬度、高度、深度等呢？物體的長、寬、高、深的表達法： 基數(shù)詞+度量詞（meters，kilometers, square kilometers）+形容詞（long, wide, high, deep等）。當基數(shù)詞大于1時，度量詞用復數(shù)形式。試著造句來描述長,寬,高,深…吧。The is 2 .e.g. The basketball player is 2 meters tall. The river is about 2 meters wide/deep. The mountain is about 2 thousand meters high. The river is about 2 kilometers long.Presentation探究語法規(guī)律探究一：如何詢問和表達物體的長度、寬度、高度、深度等。如何表達物體的長度、寬度、高度、深度等呢？除了以上的表示方法，有時也可以用“基數(shù)詞 + 度量詞 + in + 長度或者重量的名詞”來表示長度、寬度、高度、深度。若表示重量，可以用in weight結(jié)構(gòu)。教室有25英尺長。The classroom is 25 feet in length.這個箱子重9公斤。The box is 9 kilos.= The box is 9 kilos in weight.那座橋有三米高。The bridge is 3 meters in height.撒哈拉大沙漠面積九百六十萬平方公里。The Sahara is 9,600,000 square kilometers in size.Presentation探究語法規(guī)律What did you find out?探究二：形容詞、副詞的比較級和最高級。英語中的形容詞和副詞常用三種形式來表達事物的等級差別，即原級、比較級和最高級。比較級主要用于兩者之間作比較。最高級主要用于三者或三者以上進行比較。Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。一、形容詞、副詞的比較級和最高級的規(guī)則變化①直接加-er 或 -esttall—________—______ long—_______— ________taller tallestlonger longest②以不發(fā)音的字母e結(jié)尾的單詞直接加-r或 -stnice—_____— ____nicer nicest③以“輔音字母加y” 結(jié)尾, 把y變i，再加-er或-estheavy—_______— ________heavier heaviest④重讀閉音節(jié)（末尾只有一個輔音字母）雙寫輔以字母 再加-er或-estbig—_______— ________bigger biggest⑤部分雙音節(jié)詞和多音節(jié)詞 分別在原級前加more構(gòu)成比較級和most構(gòu)成最高級slowly—_____________— _______________beautiful—__________________— ____________________more slowly the most slowlymore beautiful the most beautiful探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。二、形容詞、副詞的比較級和最高級的不規(guī)則變化Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。三、形容詞、副詞的原級比較1.肯定形式: A和B一樣...A+be 動詞+as+形容詞原級+as+B A+實意動詞+as+副詞原級+as+B …as +原級 +as … “和…一樣”你和我一樣高。Lily和Lucy 跑的一樣快。You are as tall as me.Lily runs as fast as Lucy.2.否定形式: 表示:A不如BA+be 動詞+not as+形容詞原級+as+B A+be 動詞+not so+形容詞原級+as+B A+don't/doesn't/didn't+實意動詞+as+副詞原級+as+B A+don't/doesn't/didn't+實意動詞+so+副詞原級+as+B 否定形式…not so\as +原級 +as … “前者不如后者”Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。三、形容詞、副詞的原級比較2.否定形式: 表示:A不如B否定形式…not so\as +原級 +as … “前者不如后者”你不如我高。Lily跑得不如Lucy快。You are not so\as tall as me.Lily doesn’t run so\as fast as Lucy.倍數(shù)+as+原級 +as … “… 是…的幾倍；表倍數(shù)關系”You house is three times as large as mine.This sofa is twice as big as that one.3.倍數(shù)形式: 表示:A是B的…倍你的房子是我的房子的三倍。（你的房子比我的房子大2倍。）這個沙發(fā)是那個的兩倍。（這個沙發(fā)比那個房子大1倍。）Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。四、形容詞、副詞的比較級比較(用于兩者之間的比較):標志詞than1.肯定結(jié)構(gòu)：表示“前者比后者...更”主語+謂語+比較級+than+比較對象 “…比…如何”A+be動詞+形容詞比較級＋ than +BA+實意動詞+副詞比較級＋ than +B湯姆比他弟弟聰明。他跑得比湯姆快。Tom is cleverer than his brother.He runs faster than Tom.2.表示倆者之中較... 用the+比較級+of the two主語+謂語+the+比較級+of the two “主語是兩者中較…的一個”杰克是兄弟二人中較瘦的一個。Jack is the thinner of the two brothers.Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。四、形容詞、副詞的比較級比較(用于兩者之間的比較)3.表示“越來越...” 用 比較級+and +比較級； more and more+原級越來越好， 越來越高越來越美麗， 越來越外向better and better, taller and taller.more and more beautiful\outgoing4.表示“越...就越...” the+比較級，the+比較級我們的國家正變得越來越強大。雪正下得越來越大。Our country is becoming stronger and stronger.The snow is getting heavier and heavier.the+比較級+（名詞）+主+謂，the +比較級+（名詞）+主+謂。越…，就越… 前面的句子是比較狀語從句，用一般現(xiàn)在時，后面的句子是主句，用一般將來時。The more they eat, the fatter they will be. 他們吃的越多，他們就會越胖。探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。四、形容詞、副詞的比較級比較(用于兩者之間的比較)5. 比較級前可用even, far, much, a lot, a little, bit, still 等修飾，表示程度。你對此事的了解甚至還不如我。大象比熊貓中的多。You know ______less about it than I do.The elephant weighs ______ more than the panda.evenmuch孩子們越早學會獨立，對他們的未來就越好。你學習越努力，你越能取得好成績。The earlier kids learn to be independent, the better it is for their future.The harder you study, the better grades you will get.4.表示“越...就越...” the+比較級，the+比較級Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。五、形容詞、副詞的最高級比較(用于三者或三者以上)形容詞和副詞的最高級常用于______或_________的人或事(物)之間的比較。在句中使用時,形容詞最高級前通常用_____.句中常含有表示比較范圍的介詞_____或_____。常用的句型結(jié)構(gòu)為:三者以上三者theinof1.“the + 形容詞/副詞最高級”in/ of/ among...在...中最...主語+謂語+(the)+最高級+in\of … “…中最…”這是所有故事中最令人驚訝的。This is the most amazing story of all.那個短發(fā)的女孩是我們班最高的.The girl with red hair is the tallest in our class.(girl和class是不同類的的)He is the tallest of these boys.(boys和he是同類的的,he就是boy)他是這些男孩中最高的。Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。五、形容詞、副詞的最高級比較(用于三者或三者以上)2.“the +序數(shù)詞+ 形容詞最高級+名詞”表示 第幾...主語+謂語+the +序數(shù)詞+最高級+名詞+in\of … “…中第…的”李明是我們班第二高的男孩。Li Ming is the second tallest boy in our class.China is the third largest country in the world.The yellow river is the second longest river in China.3.“one of the+ 形容詞最高級+名詞復數(shù)”表示 最...之一 主語+謂語+ one of the +最高級+in\of … “…中最…之一”它是我們鎮(zhèn)上最寬的公路之一。It is one of the widest roads in our town.English is one of the most important languages.Yun Nan is one of the most beatiful cities in China.探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。五、形容詞、副詞的最高級比較(用于三者或三者以上)4. 疑問詞(Which\Who)+謂語+the +最高級，A，B or C? “ 在ABC中，誰最…？”月亮，地球和太陽哪個最大？Which is the biggest, the moon, the earth or the sun？Which is the biggest, Beijing, Shanghai or Guangzhou?【特別提醒】1. 最高級前有物主代詞、名詞所有格等修飾時，其前不加the。The Yangtze River is China’s longest river.2. 副詞最高級前的the可以省略。Jim jumps (the) highest. 吉姆跳得最高。3. 表示“非常”的most前不加the。He is a most interesting man. 他是個非常有趣的人。Presentation探究語法規(guī)律探究二：形容詞、副詞的比較級和最高級。六、形容詞、副詞的最高級和比較級之間的轉(zhuǎn)換主+謂+形容詞或副詞比較級+than+any other+名詞單數(shù)主+謂+形容詞或副詞比較級+than+(all)the other+名詞復數(shù)Qomolangma is higher than any other mountain in the world.=Qomolangma is higher than all the other mountains in the world.=Qomolangma is the highest mountain in the world.用比較級表達最高級湯姆是他班里最高的。Tom is the tallest in his class.=湯姆比他班里其他任何一個學生都搞。Tom is taller than any other student\the other students in his class.Fill in the blanks with the correct forms of the words in the box.1. The Amazon River is one of the rivers in the world. It’s a little _______than the Yangtze River.2. Qomolangma is 8,844.43 meters _____. It’s one of the most ________ places for serious mountain climbers. 3. No ocean in the world is as _____ as the Pacific Ocean.4. Although Japan is _______ than Canada, it is _______ smaller.longestlongerhighpopularbigoldermuch4aLook and fillbigmuchpopularlongoldhighPresentationLook and write4bWrite two comparisons about two topics. Write true facts.e.g.Two rivers: ________________ and ______________________________________________________________________________________________________________________________________________________________the Yangtze Riverthe Amazon RiverThe Amazon is longer than the Yangtze, but the Yangtze is the longest river in China. The Yangtze River is almost as long as the Amazon River.Two cities: andJi NanBei JingThe population of Jinan is not___ _____ _____ that of Beijing.The population of Beijing is ______ ______than that of Jinan,as large as much largePresentationLook and writeTwo animals: andtigerselephantsThe tigers run _____ _____ than elephants.The elephants weighs ______ ______than tigers,much fastermuch more4bWrite two comparisons about two topics. Write true facts.PresentationLook and write4cWrite five questions about Chengdu using comparisons. Then discuss your questions in groups.1. _________________________________2. _________________________________3. _________________________________4. _________________________________5. _________________________________What is the highest building in Chengdu?? What is the largest single buiding in Chengdu? Which is the busiest road in Chengdu? What is the most popular street in Chengdu?What is the most delicious food in Chengdu? Presentation用所給單詞的正確形式填空。I jumped ______(high )than Bill in the sports meet last yearOf all the drinks, tea is _________(old) in the world. It has 5,00 years of history in China.Mr. Smith thought the Century Park was the second ________ (large) in Shanghai.The _______(busy)he is, the ________(happy)he feels,I think English is as __________(important) as mathWhat do you think of the dress? Wonderful. I don't think I can find ______(good)one. higherthe oldest largestbusierhappierimportantbetter課程結(jié)束