八年级(下)
学练优八年级英语下(RJ)
教学课件
Unit7Whatsthehighestmountian
intheworld?
SectionA(GrammarFocus-4c)
学习目标
?Keywordsphrases:
ocean;thePacificOcean;as...as;anyother....
?Keysentences:
1.DidyouknowthatChinaisoneoftheoldestcountriesinthe
world?
2.NooceanisasbigasthePacificOcean.
3.Itshigherthananyothermountain.
?Toreviewthecomparativesandsuperlativesbymaking
comparisons.
SomeinterestingfactsaboutQomolangma.
1.Qomolangmais8,844.43metershighandisstillgrowing.
2.Ittakesatleast30,000USDtoclimbQomolangma.
3.Morethan7,000climbersreachthesummitofQomolangma.
4.About300peoplehavediedonthemountain.
5.ThesummitofQomolangmaisontheborderofNepaland
China.NepalliestothesouthandChinatothenorth.
Canyoureadtheselargenumbers?
8,844.43eightthousandeighthundredandforty-fourpoint
fourthree
30,000thirtythousand
7,000seventhousand
61,021sixty-onethousandandtwenty-one
大数字的表达和读法
大于1000的基数词的表达法:
①从数字的右端向左数,每三位数加一个逗点;
②第一个逗点前的数为thousand(千),
第二个逗点前的数为million(百万),
第三个逗点前的数为billion(十亿)。
③读的时候通常在hundred后加and,如果百位数为0,则在thousand
后加and。
GrammarFocusPresentation
What’sthehighestmountainintheQomolangma.
world?此句型用比较级表达最高级含义
HowhighisQomolangma?It’s8,844.43metershigh.It’shigher
thananyothermountain.
WhichisthedeepestsaltlakeinTheCaspianSeaisthedeepestofall
theworld?thesaltlakes.
DidyouknowthatChinaisoneofYes,Idid.It’smucholderthanthe
theoldestcountriesintheworld?US.
Findthecomparativesandsuperlatives.
回顾
形容词和副词通常有三种级别:
1.原级(Positiveform):没有比较含义,“……”;
2.比较级(Comparativeform):两者间比较,“更……”;
3.最高级(Superlativeform):三者及三者以上比较,“最……”。
注意:某些形容词和副词只用原级,如:perfect,e