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1、Albert EinsteinAlbert EinsteinThomas EdisonThomas EdisonDarwin第1页/共21页Match physics physics chemistry chemistry biology biology Alfred Nobel Alfred Nobel Darwin Darwin Li Zhengdao Li ZhengdaoThomas EdisonThomas EdisonAlbert EinsteinAlbert Einstein Newton Newton Madam Curie Madam Curie第2页/共21页 1.(1.(
2、a)Water exists as a solid,a liquid and a gas.a)Water exists as a solid,a liquid and a gas.(b)Water exists as a solid and a liquid only.(b)Water exists as a solid and a liquid only.2.(a)When you heat a metal,it expands.2.(a)When you heat a metal,it expands.(b)When you heat a metal,it contracts.(b)Whe
3、n you heat a metal,it contracts.3.(a)Steel is a mixture of iron and other substances.3.(a)Steel is a mixture of iron and other substances.(b)Steel is a mixture of iron and oxygen.(b)Steel is a mixture of iron and oxygen.4.(a)Two-thirds of the earth 4.(a)Two-thirds of the earths surface is water.s su
4、rface is water.(b)50%of the earth (b)50%of the earths surface is water.s surface is water.第3页/共21页 5.(a)The distance of the sun from the earth is 25 5.(a)The distance of the sun from the earth is 25，500 500 kms.kms.(b)The distance of the sun from the earth is (b)The distance of the sun from the eart
5、h is 150 150，500500，500 kms.500 kms.6.(a)The earth is 4.6 million years old.6.(a)The earth is 4.6 million years old.(b)The earth is 4.6 billion years old.(b)The earth is 4.6 billion years old.7.(a)The earth is twice as large as the moon.7.(a)The earth is twice as large as the moon.(b)The earth is fo
6、rty-nine times larger than the (b)The earth is forty-nine times larger than the moon.moon.第4页/共21页Put these words in pairs or groups:Put these words in pairs or groups:air contract earth gas liquidair contract earth gas liquidoxygen moon solid sun expandoxygen moon solid sun expand air-oxygen air-ox
7、ygencontract-expandcontract-expandearthearthmoonmoonsunsungasgasliquidliquidsolidsolid第5页/共21页 Which are man-made?Which are natural?Which are both?electricity iron metal steel air glasselectricity electricity iron air iron air some metalsome metalsteel glass steel glass some metalsome metalElectrici
8、ty and some Electricity and some metals(alloys for metals(alloys for example)can be man-made example)can be man-made and occur naturallyand occur naturally第6页/共21页第7页/共21页 The earth is The earth is largerlarger than the moon.than the moon.The earth is forty-nine times The earth is forty-nine times l
9、argerlarger than the moon.than the moon.The earth is forty-nine times The earth is forty-nine times as large asas large as the moon.the moon.The earth is forty-nine times The earth is forty-nine times the size ofthe size of the moon.the moon.第8页/共21页倍数倍数倍数倍数(half,twice,(half,twice,(half,twice,(half,
10、twice,three times three times three times three times）+as+as+as+as+adj/adv adj/adv 原级原级原级原级 +as+as+as+asadj/adv adj/adv 比较级比较级 +than+thanthe size(age,height,length,the size(age,height,length,weight,width,depth weight,width,depth)+of)+of第9页/共21页Questions:Questions:1.What 1.Whats wrong with this sente
11、nce?s wrong with this sentence?I went there I went there I went there I went there 2.If object A is 10 metres long,and object B is twice as 2.If object A is 10 metres long,and object B is twice as long as A,how long is object B?long as A,how long is object B?20 metres.20 metres.3.If object A weighs
12、100 kilogrames,and object B is 3.If object A weighs 100 kilogrames,and object B is four times heavier,how heavy is object B?four times heavier,how heavy is object B?400 kilogrammes 400 kilogrammestwo two times.times.twice.twice.第10页/共21页The boy Linhao weighs about 35 kilograms,The boy Linhao weighs
13、about 35 kilograms,and Yaoming is four times heavier than and Yaoming is four times heavier than the boy,how heavy is Yaoming?the boy,how heavy is Yaoming?140 kilograms140 kilogramsIf a man is 1.7 metre,and the deer is If a man is 1.7 metre,and the deer is about three times as high as the man,about
14、three times as high as the man,how high is the deer?how high is the deer?About 5 metresAbout 5 metres35kms35kms4 times 4 times heavierheavier1.7 m3 times 3 times higherhigher第11页/共21页140 tons140 tons 7 tons 7 tonsThe African elephant weighs about 7 tons,and the blue whale The African elephant weighs
15、 about 7 tons,and the blue whale is 20 times as heavy as the elephant,how heavy is the blue is 20 times as heavy as the elephant,how heavy is the blue whale?whale?140 tons.140 tons.20 times heavier20 times heavier第12页/共21页 Ball A Ball ABall BBall B2 2 4 times larger4 times largerLine ALine ALine BLi
16、ne B（1.5 m1.5 m）5 times longer5 times longer第13页/共21页 The Yangtze River is about three times as long The Yangtze River is about three times as long The Yangtze River is about three times as long The Yangtze River is about three times as long as the Songhua River.as the Songhua River.as the Songhua R
17、iver.as the Songhua River.The Yangtze River is about three times longerThe Yangtze River is about three times longerThe Yangtze River is about three times longerThe Yangtze River is about three times longer than the Songhua River.than the Songhua River.than the Songhua River.than the Songhua River.T
18、he Yangtze River is about three times the The Yangtze River is about three times the The Yangtze River is about three times the The Yangtze River is about three times the length of the Songhua River.length of the Songhua River.length of the Songhua River.length of the Songhua River.第14页/共21页Winter i
19、n Harbin-20（cold/coldnesscold/coldness）Winter in Beijing-5Winter is four times as cold in Harbin as in Beijing.Winter is four times as cold in Harbin as in Beijing.Winter is four times as cold in Harbin as in Beijing.Winter is four times as cold in Harbin as in Beijing.Winter is four times colder in
20、 Harbin than in Beijing.Winter is four times colder in Harbin than in Beijing.Winter is four times colder in Harbin than in Beijing.Winter is four times colder in Harbin than in Beijing.第15页/共21页Mount TaiMount TaiMount QomolangmaMount Qomolangma1521m1521m8844m8844m(high/height)(high/height)Mount Qom
21、olangma is about six times as high as Mount Tai.Mount Qomolangma is about six times as high as Mount Tai.Mount Qomolangma is about six times as high as Mount Tai.Mount Qomolangma is about six times as high as Mount Tai.Mount Qomolangma is about six times higher than Mount Tai.Mount Qomolangma is abo
22、ut six times higher than Mount Tai.Mount Qomolangma is about six times higher than Mount Tai.Mount Qomolangma is about six times higher than Mount Tai.Mount Qomolangma is about six times the height of Mount Tai.Mount Qomolangma is about six times the height of Mount Tai.Mount Qomolangma is about six
23、 times the height of Mount Tai.Mount Qomolangma is about six times the height of Mount Tai.第16页/共21页.My auntMy aunts house is twice as large as my house.s house is twice as large as my house.My aunt My aunts house is twice larger than my house.s house is twice larger than my house.My aunt My aunts h
24、ouse is twice the size of my house.s house is twice the size of my house.80 square metres80 square metres160 square metres160 square metres第17页/共21页45 kilograms45 kilogramsover90 over90 kilogramsheavyheavyTom weighs over twice heavier than Lily.Tom weighs over twice heavier than Lily.TomTomLilyLilyT
25、om weighs over twice as heavy as Lily.Tom weighs over twice as heavy as Lily.Tom weighs over twice the weight of Tom weighs over twice the weight of Lily.Lily.第18页/共21页Diameter(Earth=1)Diameter(Earth=1)(big/size)big/size)big/size)big/size)Jupiter=11Jupiter=11Jupiter is eleven timesJupiter is eleven
26、timesJupiter is eleven timesJupiter is eleven times as big as the earth.as big as the earth.as big as the earth.as big as the earth.Jupiter is eleven times Jupiter is eleven times Jupiter is eleven times Jupiter is eleven times bigger than the earth.bigger than the earth.bigger than the earth.bigger
27、 than the earth.Jupiter is eleven timesJupiter is eleven timesJupiter is eleven timesJupiter is eleven times the size of the earth.the size of the earth.the size of the earth.the size of the earth.第19页/共21页()Preview:)Preview:Vocabulary And Speaking&Vocabulary And Speaking&VocabularyVocabulary ()Write five sentences to compare)Write five sentences to compare two two things or persons,using the sentence things or persons,using the sentence patterns discussed this class.patterns discussed this class.第20页/共21页感谢您的观看！第21页/共21页