Unit 7 SA Grammar.ppt

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1、人教版(Go For It!)八年级下册Unit 7 Whats the highest mountain in the world?SA Grammar 学校：山西省大同市第十八中学校讲课教师：李芙蓉Learning Aims1.Read big numbers in English2.Summarize the expressions of length（长）,width（宽）,depth（深）.etc.3.Review the comparative degrees 自学自学 互学互学 展学展学课前预学课前预学：完成学案【问题】1-6的任务 要求：1.注意审题，看清楚任务要求 2.完成好

2、【思维向导】1-5互学（互学（15分钟完成）分钟完成）：小组合作探究 组长主持 轮流发言 订正答案，解决疑难 小组交流完成后，举手示意 展学（展学（15分钟完成）分钟完成）：要求：2号 3号 发言展示 提前确定展示内容 分工合作，一人展示，一人讲解，问题1：你能读出下面数字吗？2021,23411,234155,7897,155,47827,300,098326,414,7181,324,321,400【思维向导1】我发现的规律及用法：1.多位数,从右往左数每_位有一个逗号。2.从右往左数,第一个逗号读_,第二个逗号读_,第三个逗号读_。3.在hundred 后面通常加上连词_，若读数中没有h

3、undred,则在thousand 后面加and.三三thousandmillionbillionand问题问题2 你知道表示计量的形容词在句中的位置吗你知道表示计量的形容词在句中的位置吗?【独立自学2】I.根据提示完成下列句子。1.Yao Ming is 2.26 meters _(高).2.Yellow River is 5464 kilometers _(长).3.Qomolangma is 8844.43 meters _(高).4.The Nile is 1025 meters _(深).5.Iguazu waterfall is 4 kilometers _(宽).talllong

4、highdeepwide问题问题3 你知道如何询问物体的长宽高吗你知道如何询问物体的长宽高吗?II.句型转换。1.The Great Wall of Ming Dynasty is 8850 kilometers long.(对划线部分提问)_ _ is the Great Wall of Ming Dynasty?2.Jie Fangbei is 26 meters high.(对划线部分提问)_ _ is Jei Fangbei?3.The Dead Sea is 415 meters deep.(对划线部分提问)_ _ is the Dead Sea?How longHow highHo

5、w deep【思维向导2】我发现的规律及用法：1.描述计量的形容词常常置于被修饰名词的_。2.表达计量的句型结构为:主语+_+_+meters/kilometers+_.后面is数字形容词问题问题4 你知道形容词或副词的比较级和最高你知道形容词或副词的比较级和最高级的用法吗级的用法吗?【独立自学3】用所给词的适当形式填空。1.The population of China is _(big)than that of the USA.2.These days _ and _(many)people are learning Chinese.3.The _(early)we leave,the _

6、(soon)we will arrive.4.Our teacher is one of the _(careful)in the school.5.This apple is the _(big)of the three.biggermoremoreearliersoonermost carefulbiggest【思维向导3】通过实践发现1.“A比B更”的结构为：A+谓语+_+than+B。2.“越来越”的结构为：_+and+_。3.“越就越”的结构为：the+_+主语+谓语，the+_+主语+谓语。4.“最之一”的结构为：one of+限定词+_+复数名词。5.“（三者或三者以上）最”的结

7、构为：the+_+of/in。比较级比较级比较级比较级比较级比较级比较级比较级比较级比较级最高级最高级最高级最高级问题问题5 你知道两个事物怎样进行同级比较吗？你知道两个事物怎样进行同级比较吗？【独立自学4】用所给词的正确形式填空。1.The yellow cat is as _(small)as the black one.2.She speaks English as _(clear)as Bob.3.Our playground is as _(wide)as theirs.4.May isnt as/so _(tall)as her sister.5.This book isnt as

8、/so _(expensive)as that one.smallclearlywidetallexpensive【思维向导4】1.对两个事物进行同级比较,会用到_这个结构。2.在这个结构中,只能用形容词或副词的_。3.两者相比，表示“甲不如乙”，会用到_这个结构。as.as原级not as/soas问题问题6 你知道哪些词或词组能修饰比较级吗你知道哪些词或词组能修饰比较级吗?【独立自学5】根据汉语提示完成下列句子。1.新疆比重庆大得多。Xinjiang is _ larger than Chongqing.Xinjiang is _ larger than Chongqing.Xinjian

9、g is _ _larger than Chongqing.2.亚马逊河比长江长一点。The Amazon River is _ _ longer than the Yangtze River.The Amazon River is _ _longer than the Yangtze River.3.我奶奶今天甚至病得更严重了。My grandma is _ worse today.muchfara lota littlea biteven【思维向导5】1.在修饰比较时,不能用 _ _ _等词。2.在修饰比较时,如表示“得多”可用 _ _ _。3.在修饰比较时,如表示“一点儿”可用 _ _。

10、4.在修饰比较时,如表示“甚至更”可用 _verysomuchfara lota littlea bitevenquite回馈学习目标1.Be able to read big numbers in English2.Be able to express the length（长）,width（宽）,depth（深）of an object3.Be able to use the comparative degreescorrectly 达标检测I.同义句转换同义句转换。1.Im more outgoing than my sister.My sister is _ _ _ as me.My

11、sister is _ _ than me.2.He plays tennis better,so he always wins.He plays tennis better,so he _ always the _.3.Qomolangma is the highest mountain in the word.Qomolangma is higher than _ _ mountain in the world.Qomolangma is higher than _ _ mountains in the world.4.The Caspian Sea is deeper than anyt

12、hing else.The Caspian Sea is _ _ of all the salt lakes.达标检测II.单项选择()1._of the two women is Mrs.Brown.A.The beautiful B.The more beautiful C More beautiful D.The most beautiful()2.The weather in Shenyang is even colder_.A.than that in Beijing B.than Beijing C.than in Beijing D.as that in Beijing()3.3

13、0,000 dollars is a large amount of money,but its _ than we need.A.far more B.very much C.far less D.very little()4.No one is _Mary in the class.A.so tallest as B.as taller as C.so high as D.so tall as()5.Everything is _ on the moon than on the earth.A.much more lighter B.much more light C.more lighter D.much lighter拓展延伸单项选择()You look tired these days.I think you need a _ sleep.(2013 重庆)A.shorter B.shortest C.better