2021年中考英语一轮复习（ppt课件）：八下Unit 7 复习.ppt

1、划线部分提问 Qomolangma is the highest mountain in the world.The Sahara is the biggest desert in the world.The Caspian Sea is the deepest of all the salt lakes.The Nile is the longest river in the world.What is the highest mountain in the world?What is the biggest desert in the world?What is the deepest o

2、f all the salt lakes?What is the longest river in the world?1.Qomolangma is 8,844.43 meters high.2.The Caspian Sea is 1,025 meters deep.3.The Nile is 6,671 kilometers long.4.The Sahara is about 9,600,000 square kilometers in size.How high is Qomolangma?How do you read the numbers in English?9,600,00

3、0 1,025 6,671 8,844.43 nine million,six hundredone thousand,and twenty-fivesix thousand,six hundred and seventy-oneeight million,eight hundred and forty-four thousand,point four three 三位数以上的数，从个位往前数，每三位数加一个三位数以上的数，从个位往前数，每三位数加一个逗号，从后往前数的第一个逗号代表逗号，从后往前数的第一个逗号代表thousand,第二第二个逗号代表个逗号代表million,第三个逗号是第三个

4、逗号是billion。小数点读做point，小数点右边的小数部分按个位基数词依次读出。（注意注意这几个词不能用复数形式，后也不能这几个词不能用复数形式，后也不能加加and。）例如：。）例如：2,648 读作读作 two thousand,six hundred and forty-eight 16,250,064 读作读作sixteen million,two hundred and fifty thousand,sixty-four 5,624.89 读作five thousand six hundred and twenty-four point eight nine 读下列数字 6,30

5、0 5,000 5,464 5,706 300 8844.43 9，600,000翻译句子 1.长江大约6300千米长，黄河5464千米长。2.中国是世界上人口最多的国家，中国的人口比美国人口多很多。3.中国（领土面积）几乎和美国一样大，中国是亚洲最大的国家。The Yangtze River is about 6,300 kilometers long and the Yellow River is 5,464 kilometers long.China has the biggest population in the world.Its a lot bigger than the pop

6、ulation of the US.China is almost as big as the US,and it is the biggest country in Asia.1.Feel free to ask me anything on todays Great Wall tour.关于关于今天的今天的长长城城之行，大之行，大家尽家尽管管问我任何问我任何问问题，题，不要拘不要拘束束。feel free是英语是英语口口语中一个常用表达。语中一个常用表达。若若有人有人让你让你feel free to do something,就是让你无需拘就是让你无需拘束，只管按照自己的意愿去做某事。束，

7、只管按照自己的意愿去做某事。e.g.A:Can I use your bathroom?我可以用一下你的卫生间吗？我可以用一下你的卫生间吗？B:Yes,feel free.可以，请随意。可以，请随意。Language points in 2d2d短语 1.talk about sth谈论某事 2.build the wall修建长城 3.as you can see正如你看到的 4.as far as I know 据我所知 5.be part of 成为的一部分；属于3a.翻译下列短语翻译下列短语(Read paragraph 1)1.1.最危险的山峰最危险的山峰 2.2.世界上最危险的运动

8、之一世界上最危险的运动之一 3.3.登山（名词短语）登山（名词短语）/（动词短语）（动词短语）4.4.来自世界各地的登山者来自世界各地的登山者 5.5.横亘于中国的西南边界横亘于中国的西南边界 6.6.在所有的山峰中在所有的山峰中 7.7.厚厚的云层厚厚的云层 8.8.更为严重的困难更为严重的困难 9.9.寒冷的天气状况和强劲的暴风雪寒冷的天气状况和强劲的暴风雪3a.翻译下列短语翻译下列短语(Read paragraph 1)1.1.最危险的山峰最危险的山峰 2.2.世界上最危险的运动之一世界上最危险的运动之一3.3.登山（名词短语）登山（名词短语）/（动词短语）（动词短语）the most

9、dangerous mountainone of the worlds most dangerous sportsmountain climbing/climb mountains4.4.来自世界各地的登山者来自世界各地的登山者5.5.横亘于中国的西南边界横亘于中国的西南边界6.6.在所有的山峰中在所有的山峰中7.7.厚厚的云层厚厚的云层the climbers from all over the worldrun along the southwestern part of Chinaof all the mountainsthick clouds8.8.更为严重的困难更为严重的困难9.9.

10、寒冷的天气状况和强劲的暴风雪寒冷的天气状况和强劲的暴风雪10.10.首次到达珠穆朗玛峰顶的人首次到达珠穆朗玛峰顶的人(P2)(P2)more serious difficultiesfreezing weather conditions and heavy stormsthe first people to reach the top of QomolangmaGrammar Focus(一一)数词数词 Numeral(二）形容词的比较级二）形容词的比较级和最高级和最高级(比较状语从比较状语从句）句）数词是用来表示事物的数目和顺序的词。数词是用来表示事物的数目和顺序的词。数词的分类：数词的分类

11、：1.基数词基数词(多位基数词读法多位基数词读法)2.序数词序数词3.分数词分数词1.good fortable 3.big 4.happy 5.cheap 6.many 7.difficult 8.littlebetter bestmore most bigger biggesthappier happiestcheaper cheapestmore mostmore most less least形容词和副词比较级的用法形容词和副词比较级的用法 1.Who runs faster,he or she?表示两者比较表示两者比较2.He runs faster than she.3.He ru

12、ns much faster than she.形容词比较级前可形容词比较级前可受受 much,far,a lot,still,no,a little,even,any 修饰，修饰，表示超出的程度。表示超出的程度。4.He becomes healthier and healthier.比较级比较级+and+比较级，比较级，“越来越越来越.5.The more you exercise,the healthier you will be.the+比较级，比较级，the+比较级比较级“越越.就越就越.”6.She is less healthy than he.用法：英语中用法：英语中三者或三者

13、以上三者或三者以上相比较，表示相比较，表示“最最”这样的最高程度概念时，要用这样的最高程度概念时，要用“the+最高级最高级”的结构表示。后面跟带的结构表示。后面跟带in或或of表范表范围的短语围的短语，比如比如:in our class,of the three 等。等。例如：例如：Who is the tallest,Bob,Tom or Nick?Wang Lin is the tallest in our class.This theater is the cheapest of the three.注意使用最高级时应注意以下几点：注意使用最高级时应注意以下几点：形容词的最高级形容词的

14、最高级 1）one of the+最高级，表示表示“最最之一之一”例如：Shanghai is one of the most beautiful cities in China.Our city is one of the safest cities in the world.(2)当最高级前面有当最高级前面有物主代词物主代词或或名词所有格名词所有格时，时，不加定冠词不加定冠词 the。例如：例如：Tuesday is her busiest day.Tom is Lucys best friend.(3)最高级前可加最高级前可加序数词序数词。例如：例如：The Yellow River i

15、s the second longest river in China.(4)形容最高级修饰作表语或介词宾语的名形容最高级修饰作表语或介词宾语的名词，代词时，被修饰的词往往词，代词时，被修饰的词往往省略省略。例如：例如：He is the laziest(student)in our class.1.Lily gets up _(early)than Lucy.2.Which goes _(slowly),Tom or Jim?3.This book is _ (interesting)than that one.earliermore slowly more interesting一一 根据

16、所给词的适当形式填空根据所给词的适当形式填空 4.She works _ (careful)in her school.5.Who goes to bed _(late)Jim,Tom or Jack?6.I think turkey is _ (delicious)of all.the most carefully latestthe most delicious 3.Lin Tao is _ in the class because he never gets to school on time.（最懒的学生之一）（最懒的学生之一）4.Edison was_ in the world.(最

17、伟大的发明家之一）最伟大的发明家之一）one of the laziest studentsone of the greatest inventors The Yangtze River is_ river in the world.(第三长河）第三长河）the third longest2.The Atlantic is _ ocean in the world.(第二大洋）第二大洋）the second biggestExercise:一、翻译句子：一、翻译句子：英汉互译 1.Lin Wei and other panda keepers are preparing the milk fo

18、r the baby pandas.2.At 9:00 am,they find that most of the babies are already awake and hungry.3.When the babies see the keepers,they run over with excitement and soe of them even walk into their friends and fall over.(P1)4.I take care of them like theyre my babies.5.Teaching children is one way to help save pandas.6.熊猫没有很多宝宝，或许每两年仅一个。7.（熊猫）宝宝经常死于疾病，不会活得很长。8.成年熊猫一天花多于12个小时的时间吃10千克的竹子。9.科学家们说现在有不到2,000只熊猫生活在仅存的森林里。10.我们都希望在未来将会有比现在更多的熊猫。