英语人教版八年级下册unit7 第一课时.ppt

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1、 Section A 1a-2c Listening&SpeakingTeacher:Chen ZhaoyanSchool:the No.1 junior middle school of Wen Shan 1.会会正确朗读本节课正确朗读本节课单词。单词。2.会读并能听出会读并能听出数字,数字,掌握掌握数量的表达方法数量的表达方法。3.进一步学习进一步学习比较级和最高级比较级和最高级的用法。的用法。square n.平方平方,正方形正方形meter n.米米deep adj.深的深的desert n.沙漠沙漠population n.人口人口Asia n.亚洲亚洲Whats the popul

2、ation of China?50%population of China are farmers.The population of China is about 1.3 billion.population1)问人口问人口用:用:Whats the population of?2)population 是是不可数不可数名词名词,3)population 作主语,谓语动词用作主语,谓语动词用单数单数有有百分数百分数修饰时,谓语动词用修饰时,谓语动词用复数复数Asia亚亚洲洲 Asian(s)亚亚洲人,洲人,亚亚洲的洲的 Whats the population of Asia/Singapo

3、re?Three quarters population of Singapore are Chinese.4)population 作主语,有作主语,有分数分数修饰时,谓语动词用修饰时,谓语动词用复数复数The Caspian SeaThe SaharaThe SaharaThe SaharaThe NileQomolangmaQomolangma14Qomolangma about 9,600,000 square kilometers in sizeThe Sahara 1,025 meters deepThe Caspian Sea 6,671 kilometers longThe N

4、ile 8,844.43 meters high 1a.Match the facts you know.4404004,000fourfortyfour hundredfour thousand9,600,0004,000,000four millionthousandmillionnine million six hundred thousand8,844.43eight million eight hundred and forty four point four threepointhundredhundreds of s of 数以百计的,成百上数以百计的,成百上数以百计的,成百上数

5、以百计的,成百上 thousandthousands of s of 数千的,成千上万数千的,成千上万数千的,成千上万数千的,成千上万millionmillions of s of 数百万的数百万的数百万的数百万的 1.1.基数词:基数词:基数词:基数词:2.小数点:小数点:小数点:小数点:hundred 百百 thousand千千 million百万百万point3.3.百位和十位用百位和十位用百位和十位用百位和十位用 连接连接连接连接4.4.表示表示表示表示具体数字具体数字具体数字具体数字时时时时hundred,thousand,millionhundred,thousand,millio

6、n后面后面后面后面 s s andand不加不加不加不加Group workGroup work数字的读法数字的读法Tianan Men Square is 33.7 meters high.Tianan Men Square is 33.7 meters in height.The Nile is 6,671 kilometers long.The Nile is 6,671 kilometers in length.Group work Group work 数量的表达数量的表达英英语表示表示“有多有多长,宽,高,高”时:1)主主语+be+基数基数词+数量数量单位位(meter(s),ki

7、lometer(s))+adj.(high,long,wide,deep)2)主主语+be+基数基数词+数量数量单位位(meter(s),kilometer(s))+in+n.(size,height,length,width,dept)2b Listen and choose the right answer ()1.The Yangtze River is about _ kilometers long and the Yellow River is _ kilometers long.A.6300;6300 B.5464;6300 C.6300;5464()2.China is over

8、 _ years old.It has a much longer history than the US.A.500 B.5000 C.5030()3.The US is not even _ years old.A.30 B.300 C.3000 CBB听前先听前先看看题目,题目,预测预测,熟悉数字的读法熟悉数字的读法tall taller tallestnice nicer nicestthin thinner thinnesteasy easier easiestgood,well better bestbad,ill worse worstlittle less leastmany,

9、much more most比较级,最高级的比较级,最高级的其他用法其他用法the+比较级the+比较级 越就越as+adj+as和一样的not so as 不和一样的越来越越来越比较级+比较级more and more+adjone of 中之一 动动单单名名复复形副形副高高1b complete the sentences with the proper form.1.Qomolangma is _ (high)than any other mountain in the world.2.The Sahara is _(big)desert in the world.3.The Caspi

10、an Sea is _(deep)of all the salt lakes.4.The Nile is _(long)river in the world.higherthe biggestthe deepestthe longestany other+可数名词单数可数名词单数1.主语主语+be+比较级比较级+than+any other+可可数名词数名词单单数数2.主语主语+be+比较级比较级+than+the other+可可数名词数名词复复数数比较级和最高级的比较级和最高级的转换转换 R(reporter)S(student)R:Did you know that China is o

11、ne of the oldest countries in the world?S:Yes,I did.Its much older than my country.a lot()1.This mountain is as_ as that one.A.high B.higher C.highest D.the highest()2.60%population of our city_farmers.A.Have B.is C.are D.has()3.Miss Zhao is one of_ in our school.A.more beautiful B.more beautiful te

12、achersC.The most beautiful teacherD.The most beautiful teachers()4._ the population of the world today?A.What are B.Whats C.How many D.How muchACD B 学以致用学以致用Tip:浏览题目浏览题目圈出关键词圈出关键词Summary words:phrases:grammar:2.比较级和最高级的比较级和最高级的转换转换;比较;比较级,最高级的级,最高级的其他用法其他用法1.数字数字的读法,的读法,数量数量的表达方法的表达方法square,meter,desert,deep,populationthe population ofany other+名词名词单数单数all the salt lakesone of1.复习复习今天所学知识(必做)2.小组听写15个单词单词,小组互背10个短语短语(必做)3.完成练习题练习题P108页,第二,三题(选做)HomeworkThank you!

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