人教新目标版英语八年级下册Unit 7《What's the highest mountain in the world》Section A Grammar focus-4c课件+音视频+ 语言点精讲精练(含答案)

这是一份人教新目标版英语八年级下册Unit 7《What's the highest mountain in the world》Section A Grammar focus-4c课件+音视频+ 语言点精讲精练(含答案)，文件包含人教新目标版英语八年级下册Unit7《Whatsthehighestmountainintheworld》SectionAGrammarfocus-4c课件ppt、人教新目标版英语八年级下册Unit7《Whatsthehighestmountainintheworld》SectionAGrammarfocus-4c语言点精讲精练含答案doc、Unit7SectionASectionAGF-4c单词录音mp3等3份课件配套教学资源，其中PPT共31页， 欢迎下载使用。

Unit 7 What's the highest mountain in the world?Period 3 SectionA Grammar focus-4c 人教新目标版英语八年级下册Presentation1.掌握下列词汇：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. 通过阅读翻译Grammar focus里的句子，能够说出形容词、副词的原级，比较级和最高级的结构和用法；能够正确用英语读出大数字，能够用大数字表达物体的长、宽、高、深。3.通过4a的句子填空，4b的用as…as，比较级和最高级对事物做比较，巩固所学的语法知识，在具体的运用中学会语言。4. 通过本节课学习,提高同学们对于保护濒危野生动物的意识。PresentationLook and sayCan you translate the following sentences?长江大约长6,300千米。The Yangtze River is about 6,300 kilometers long. 黄河长5,464千米。The Yellow River is 5,464 kilometers long.珠穆朗玛峰高8,848.86米，所以攀登起来很危险。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读作：six thousand, six hundred and seventy-one读作：one thousand and twenty-five读作：eight thousand, eight hundred and forty-eight, point eight six 读作：nine million, six hundred thousand 1.千位及千位以上数字的表达：以三位数为一个单位，每三位数用“，”隔开。2.逗号读法:朗读时，将每三位数看做一个单位，依次为thousand千, million百万，billion十亿。每个单位按照百、十、个位向下读，其中百位到十位之间要加入 and。小数点读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.长、宽、高、深的表达法： 基数词+度量词（meters，kilometers, square kilometers）+形容词（long, wide, high, deep等）。当基数词大于1时，度量词用复数形式。也可以：基数词 + 单位词 + in + 名词（length, width, height, depth, size等）询问： 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(最高级)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. 珠穆朗玛峰最高。 Qomolangma.3. 珠穆朗玛峰多高？ ____________ 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. 世界上哪一个咸水湖最深？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. 你知道中国是世界上最古老的国家之一吗? Did you know that China is one of the______________ in the world. 8. 是的。它比美国历史悠久的多。 Yes, I did. It’s _____________ than the US.highestHow highhighhigherany otherdeepestdeepest of alloldest countriesmuch olderPresentation探究语法规律What did you find out?探究一：如何询问和表达物体的长度、宽度、高度、深度等。如何询问物体的长度、宽度、高度、深度等？句型： How + long (wide, high, deep, big, heavy…)+谓语+主语+其他？How wide is the mirror? 那面镜子有多宽？探究语法规律探究一：如何询问和表达物体的长度、宽度、高度、深度等。如何表达物体的长度、宽度、高度、深度等呢？观察并总结:It's 8,844.43 meters high.______+______+___________(long, high, wide, deep…)构成的; 基数词度量词长\高\宽\深主+be+物体的长、宽、高、深的表达法： 基数词+度量词（meters，kilometers, square kilometers）+形容词（long, wide, high, deep等）。当基数词大于1时，度量词用复数形式。老虎路有200米长，而且湿度很重。Tiger Path is 200 ______ _____ and has a high humidity.我们走上三层楼，大概10米左右高。We walk up three floors, which is about ten _______ ______.那面镜子有两米宽。The mirror is two _______ ______.meters longmeters highmeters widePresentation探究语法规律探究一：如何询问和表达物体的长度、宽度、高度、深度等。如何表达物体的长度、宽度、高度、深度等呢？物体的长、宽、高、深的表达法： 基数词+度量词（meters，kilometers, square kilometers）+形容词（long, wide, high, deep等）。当基数词大于1时，度量词用复数形式。试着造句来描述长,宽,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探究语法规律探究一：如何询问和表达物体的长度、宽度、高度、深度等。如何表达物体的长度、宽度、高度、深度等呢？除了以上的表示方法，有时也可以用“基数词 + 度量词 + in + 长度或者重量的名词”来表示长度、宽度、高度、深度。若表示重量，可以用in weight结构。教室有25英尺长。The classroom is 25 feet in length.这个箱子重9公斤。The box is 9 kilos.= The box is 9 kilos in weight.那座桥有三米高。The bridge is 3 meters in height.撒哈拉大沙漠面积九百六十万平方公里。The Sahara is 9,600,000 square kilometers in size.Presentation探究语法规律What did you find out?探究二：形容词、副词的比较级和最高级。英语中的形容词和副词常用三种形式来表达事物的等级差别，即原级、比较级和最高级。比较级主要用于两者之间作比较。最高级主要用于三者或三者以上进行比较。Presentation探究语法规律探究二：形容词、副词的比较级和最高级。一、形容词、副词的比较级和最高级的规则变化①直接加-er 或 -esttall—________—______ long—_______— ________taller tallestlonger longest②以不发音的字母e结尾的单词直接加-r或 -stnice—_____— ____nicer nicest③以“辅音字母加y” 结尾, 把y变i，再加-er或-estheavy—_______— ________heavier heaviest④重读闭音节（末尾只有一个辅音字母）双写辅以字母 再加-er或-estbig—_______— ________bigger biggest⑤部分双音节词和多音节词 分别在原级前加more构成比较级和most构成最高级slowly—_____________— _______________beautiful—__________________— ____________________more slowly the most slowlymore beautiful the most beautiful探究语法规律探究二：形容词、副词的比较级和最高级。二、形容词、副词的比较级和最高级的不规则变化Presentation探究语法规律探究二：形容词、副词的比较级和最高级。三、形容词、副词的原级比较1.肯定形式: A和B一样...A+be 动词+as+形容词原级+as+B A+实意动词+as+副词原级+as+B …as +原级 +as … “和…一样”你和我一样高。Lily和Lucy 跑的一样快。You are as tall as me.Lily runs as fast as Lucy.2.否定形式: 表示:A不如BA+be 动词+not as+形容词原级+as+B A+be 动词+not so+形容词原级+as+B A+don't/doesn't/didn't+实意动词+as+副词原级+as+B A+don't/doesn't/didn't+实意动词+so+副词原级+as+B 否定形式…not so\as +原级 +as … “前者不如后者”Presentation探究语法规律探究二：形容词、副词的比较级和最高级。三、形容词、副词的原级比较2.否定形式: 表示:A不如B否定形式…not so\as +原级 +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.倍数+as+原级 +as … “… 是…的几倍；表倍数关系”You house is three times as large as mine.This sofa is twice as big as that one.3.倍数形式: 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。）这个沙发是那个的两倍。（这个沙发比那个房子大1倍。）Presentation探究语法规律探究二：形容词、副词的比较级和最高级。四、形容词、副词的比较级比较(用于两者之间的比较):标志词than1.肯定结构：表示“前者比后者...更”主语+谓语+比较级+than+比较对象 “…比…如何”A+be动词+形容词比较级＋ than +BA+实意动词+副词比较级＋ than +B汤姆比他弟弟聪明。他跑得比汤姆快。Tom is cleverer than his brother.He runs faster than Tom.2.表示俩者之中较... 用the+比较级+of the two主语+谓语+the+比较级+of the two “主语是两者中较…的一个”杰克是兄弟二人中较瘦的一个。Jack is the thinner of the two brothers.Presentation探究语法规律探究二：形容词、副词的比较级和最高级。四、形容词、副词的比较级比较(用于两者之间的比较)3.表示“越来越...” 用 比较级+and +比较级； more and more+原级越来越好， 越来越高越来越美丽， 越来越外向better and better, taller and taller.more and more beautiful\outgoing4.表示“越...就越...” the+比较级，the+比较级我们的国家正变得越来越强大。雪正下得越来越大。Our country is becoming stronger and stronger.The snow is getting heavier and heavier.the+比较级+（名词）+主+谓，the +比较级+（名词）+主+谓。越…，就越… 前面的句子是比较状语从句，用一般现在时，后面的句子是主句，用一般将来时。The more they eat, the fatter they will be. 他们吃的越多，他们就会越胖。探究语法规律探究二：形容词、副词的比较级和最高级。四、形容词、副词的比较级比较(用于两者之间的比较)5. 比较级前可用even, far, much, a lot, a little, bit, still 等修饰，表示程度。你对此事的了解甚至还不如我。大象比熊猫中的多。You know ______less about it than I do.The elephant weighs ______ more than the panda.evenmuch孩子们越早学会独立，对他们的未来就越好。你学习越努力，你越能取得好成绩。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+比较级，the+比较级Presentation探究语法规律探究二：形容词、副词的比较级和最高级。五、形容词、副词的最高级比较(用于三者或三者以上)形容词和副词的最高级常用于______或_________的人或事(物)之间的比较。在句中使用时,形容词最高级前通常用_____.句中常含有表示比较范围的介词_____或_____。常用的句型结构为:三者以上三者theinof1.“the + 形容词/副词最高级”in/ of/ among...在...中最...主语+谓语+(the)+最高级+in\of … “…中最…”这是所有故事中最令人惊讶的。This is the most amazing story of all.那个短发的女孩是我们班最高的.The girl with red hair is the tallest in our class.(girl和class是不同类的的)He is the tallest of these boys.(boys和he是同类的的,he就是boy)他是这些男孩中最高的。Presentation探究语法规律探究二：形容词、副词的比较级和最高级。五、形容词、副词的最高级比较(用于三者或三者以上)2.“the +序数词+ 形容词最高级+名词”表示 第几...主语+谓语+the +序数词+最高级+名词+in\of … “…中第…的”李明是我们班第二高的男孩。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+ 形容词最高级+名词复数”表示 最...之一 主语+谓语+ one of the +最高级+in\of … “…中最…之一”它是我们镇上最宽的公路之一。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.探究语法规律探究二：形容词、副词的比较级和最高级。五、形容词、副词的最高级比较(用于三者或三者以上)4. 疑问词(Which\Who)+谓语+the +最高级，A，B or C? “ 在ABC中，谁最…？”月亮，地球和太阳哪个最大？Which is the biggest, the moon, the earth or the sun？Which is the biggest, Beijing, Shanghai or Guangzhou?【特别提醒】1. 最高级前有物主代词、名词所有格等修饰时，其前不加the。The Yangtze River is China’s longest river.2. 副词最高级前的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. 他是个非常有趣的人。Presentation探究语法规律探究二：形容词、副词的比较级和最高级。六、形容词、副词的最高级和比较级之间的转换主+谓+形容词或副词比较级+than+any other+名词单数主+谓+形容词或副词比较级+than+(all)the other+名词复数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.用比较级表达最高级汤姆是他班里最高的。Tom is the tallest in his class.=汤姆比他班里其他任何一个学生都搞。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用所给单词的正确形式填空。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课程结束