Unit8OurBluePlanetPreparingfortheTopicListening&SpeakingInthisunit,youwilllearnto:●talkabouttheimportanceofwater.●understandtheimportanceofsavingwater.●useathinkingmaptoidentifythemainideaanddetails.●usethereadingstrategyofvisualizing.●designaposterforaspecialdayoftheearth.BigQuestions:Whyiswaterimportant?LearningObjectives

1.了解不同的水景觀；2.能聽懂關于不同水景觀的地理位置，長度等信息；3.能就不同水景觀的地理位置，長度等信息進行問答。

Whatcanyouswallow(吞噬)thatcanalsoswallowyou?

什么東西，你能吞噬，同時也能吞噬你？GuessariddleLead-inTheearth地球BluePlanetWhycallitblueplanet?Nearly71%oftheearthiscoveredwithwater.

waterscapes水景觀oceanriverwaterfalllakespringWhichisthelargest(最大)oceanintheworld?thePacificoceanWhatdoyouknowaboutit?ocean海洋TheBohaiSeaItisaninlandseainthenorth-eastofChina.TheBohaiSea渤海TheNileRiver尼羅河Itis6,671kilometerslong.Itrunsthrough

easternAfrica.Howlongisit?NiagaraFalls尼亞加拉瀑布Itisa99-meter-highwaterfallinNorthAmerica.LakeBaikal貝加爾湖Itisanoldfreshwaterlakeontheearth.Itisover25millionyearsold.Whatdoyouknowaboutit？=morethan

A.Matchtheplaces(a-e)withthepicturesatthetopofthenextpage.a.ThePacificOceanb.NiagaraFallsc.TheNileRiverd.LakeBaikale.TheBohaiSeaActivity1B.Readthedescriptionsandchoosethecorrectplaces.

1.Itisa99-meter-highwaterfall

inNorth

America.

2.Itis6,671kilometerslong.Itrunsthrough

easternAfrica.

3.It’sanoldfreshwaterlakeontheearth.Itisover25millionyearsold.

4.Itisaninlandsea

inthenorth-east

of

China.

5.Itisverylargeanddeep.Itisoneofthefouroceansontheearth.Activity11.Itisa99-meter-highwaterfallinNorthAmerica.它是位于北美，高達99米的瀑布。復合形容詞：由兩個及以上的單詞構成的形容詞,叫復合形容詞。結構：基數詞-單數名詞-形容詞

兩米寬的:______________五天長的?:

___________

六歲大的

______________ 四百米長的：____________?five-day-longtwo-meter-wide?six-year-old翻譯：他是一個8歲大的男孩。___________________________

這是一個3千米長的河流。_________________________

這是一棟158米高的購物商場。________________________________

Heisan8-year-oldboy.Itisa3-kilometer-longriver.KeypointsItisa158-meter-highshoppingmall.400-meter-long2.Itisover25millionyearsold.它超過兩千五百萬年了。hundred,thousand,million①具體數字用法：當它們前面有具體數字時，都用單數形式，直接修飾可數名詞復數。如：twohundredstudents，fivethousandbooks，sixmilliondollars。②模糊數量用法：表示不確定的數量時，用“hundreds/thousands/millions+of+可數名詞復數”結構。例如：hundredsofpeople，thousandsofstars，millionsofbirds（數百萬只鳥）。Practice1.Thereareaboutthree______studentsinourschool.A.thousand B.thousandsC.thousandsof D.thousandof

2.______peopleeatinmyrestauranteveryday.A.Twohundred B.HundredsofC.Twohundreds D.Hundredof

3.Thereare______starinthesky.A.fivemillions B.fivemillionC.millionsof D.millionof

3.Itisoneofthefouroceansontheearth.它是地球四大海洋之一。oneof意為___________，后接名詞_______,當它作主語時，謂語動詞用______。

其中之一Oneofthe____________red.復數單數Oneofthe______________aboy.

studentsisapplesisC.Pairwork.Listenandrepeat.Kangkang,whatdoyouknowabouttheNileRiver?ItrunsthrougheasternAfrica.Howlongisit?It’s6,671kilometerslong.Activity1How

long

is

it?它有多長？how

long意為“多長”,用來對物體的長度提問，也可以對時間的長短提問。e.g.—How

long

is

the

Yellow

River?—It's5,464kilometers

long.—Howlongdoyoureadeveryday?—About20minutes.how構成的此類疑問詞組還有：howwide:多寬howtall:多高howdeep:多深howheavy:多重翻譯：她有多高？

她有1.68米。Howtallisshe?Sheis1.68meterstall.C.Pairwork.Replacethepartsinboldandpracticewithyourpartner.Whatdoyouknowabout

?It

.

isit?It’s

.Activity1Listentotheconversationandcompletethetable.Activity2The________River※________kilometerslong※A________riverofChina※About_____kilometerswideatsomeplacesYellow5,464mother20Li

Xiang:Lingling,look

at

the

map.What

is

this

river

called?Lingling:Oh,wecall

it

the

Yellow

River.Li

Xiang:Can

you

tell

me

more

about

it?

Lingling:It's5,464

kilometers

long.Li

Xiang:Over

five

thousand

kilometers?It's

really

a

long

river.Lingling:Yes.It

is

a

mother

river

of

China.Li

Xiang:Yes.We

all

know

the

Yellow

River

is

one

of

ourmother

rivers.Lingling:Doyouknowhowwideitis?At

some

places,it

is

as

wide

as

about

20

kilometers.

Li

Xiang:Wow!That's

amazing!theYellowRiverPairwork.Lookatthepictureandtalkaboutthewaterscapes.UsefulExpressionsinGuizhou,Chinaabout100meterswide

about80metershighActivity3SampleTheHuangguoshuWaterfallislocatedinGuizhouProvince,China,andisoneofthemostfamouswaterfallsinthecountry.Itisapproximately100meterswideandabout80metershigh,withwatercascadingdowntocreateamagnificentsight.Testforgoals一、單項選擇題1.NiagaraFallsisa______waterfallinNorthAmerica.A.99-meter-high B.99-meters-highC.99meterhigh D.99metershigh2.Thereareaboutfive______booksinourschoollibrary.A.thousandof B.thousands C.thousandsof D.thousand3.LakeBaikalisanoldfreshwaterlake.Itisover______yearsold.A.25million B.25millions C.25millionsof D.millionof4.______studentsgotoschoolbybikeeveryday.A.2hundredof B.Hundredof C.Hundredsof D.2hundreds

5.JayChou_____oneofmyfavorite_______.A.are;singer B.is;singers C.are;singers D.is;singer6.—______istheYellowRiver?—It's5,464kilometerslong.A.Howwide B.Howtall C.Howlong D.Howdeep7.ThePacificOceanisoneofthefour______ontheearth.A.ocean B.oceans C.oceanes D.ocean's8.TherearesixEnglishteachersinourgrade.Oneof__________MissYe.A.them;are B.they;are C.them;is D.they;is7.—Howtallishe?—Heis______tall.A.1.75meter B.1.75meters C.1.75-meter D.1.75-meters8.LakeBaikalis______oldfreshwaterlakeontheearth.A.a B.an C.the D./二、語法填空題1.Therearetwo__________(hundred)peopleinthehall.2.Oneofthe_________(lake)inourcityisverybeautiful.3.Theysee___________(thousand)ofbirdsinthesky.4.Itisoneofthemostfamous_____________(waterfall)intheworld.5.Itisa10-______(year)-oldtree.6.Millionsof______(bird)flysouthinwinter.7.Oneofthestudents________(be)fromCanada.8.TheNileRiver_______(run)througheasternAfica.9.TheYelloRiveris5456_____________(kilometer)long.hundredlakesthousandswaterfallsyearbirdsisrunskilometers三、句型轉換1.Theriveris500meter