米占東名師網(wǎng)絡(luò)工作室直播課堂Unit4Astronomy:thescienceoftheearthReading主講：米占東主語(yǔ)從句學(xué)習(xí)Whatisimportantisthat...

重要的事情是……Whatisimportantisthatwemustfindfoodtoeat.Whatisevenmoreimportantisthat...

WhatisevenmoreimportantisthatwetryourbesttostudyEnglishwell.Whatisthemostimportantisthat...

Whatisthemostimportantisthateveryoneshouldkeephealthy.主語(yǔ)從句學(xué)習(xí)Whatisinterestingisthat...

令人感興的事情是……Whatisexcitingisthat...令人興奮的事情是…….Whatisfunnyisthat...

令人好笑的事情是…….主語(yǔ)從句學(xué)習(xí)Whatmanyscientistsbelieveisthat...

許多科學(xué)家所相信的事情是……WhatIbelieveisthat...我所相信的事情是…….WhatIknowisthat...

我所知道的事情是…….WhatIwanttosayisthat...

我想說(shuō)的事情是…….課文第3-4段短語(yǔ)復(fù)習(xí)thedevelopmentof

……的發(fā)展thepresenceof...……的出現(xiàn)thesurfaceof...

……的表面onthesurfaceof...

在……的表面上1.Theylaideggstooandexistedontheearthformorethan140millionyears.However,65millionyearsagotheageofthedinosaursended.Whytheysuddenlydisappearedstillremainsamystery.它們也生蛋，在地球上生存了1.4億多年。然而,6500萬(wàn)年前，恐龍時(shí)代結(jié)束了。它們?yōu)槭裁磿?huì)突然滅絕至今仍是個(gè)謎。詞形含義過(guò)去時(shí)過(guò)去分詞現(xiàn)在分詞lie說(shuō)謊liedliedlyinglie躺，位于laylainlyinglie放置；下蛋l(fā)aidlaidlaying(2)existvi.存在；生存existon靠…生存existencen.存在existentadj.存在的，實(shí)際的n.

例：remainabeginner（3）

adj.

例：remainsilent

doing

例：remainstandingremain+

done

例：remainuntouched

tobedone

例：remaintobeseen

介詞短語(yǔ)例：remaininLondon2.Thustheyhave,intheirturn,becomethemostimportantanimalsontheplanet.于是，他們接著成為這個(gè)行行上最重要的動(dòng)物。（1）thusadv.因此，這樣（2）inone'sturn輪到某人例：Whenitwasinmyturn,Iwastooexcitedtospeak.inturn依次；反之，反過(guò)來(lái)byturns輪流；交替地taketurnstodosth./indoingsth.輪到某人做某事3.Theyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfrom

escapingfromtheearthintospace.他們把過(guò)多的二氧化碳釋放到大氣層中，這使得地球上的熱不能釋放到太空中去。（1）preventv.阻止，預(yù)防preventsb./sth.(from)doingsth.主動(dòng)句中from可以省略，

stopsb./sth.(from)doingsth.

被動(dòng)句中不能省略

keepsb./sth.fromdoingsth.protectsb./sth.fromdoingsth.保護(hù)…免受…4.Whenlifewillcontinueontheearthformillionofyearstocomewilldependonwhetherthisproblemcanbesolved.在未來(lái)的數(shù)百萬(wàn)年終，生命能否在地球上延續(xù)取決于這個(gè)問(wèn)題能否得到解決。（1）dependv.依靠，依賴dependon=counton=relyonsb.信任，依靠某人Italldepends.看情況例：----Howoftendoyoueatout?

----______,butusuallyonceaweek.make+賓語(yǔ)+賓補(bǔ)用法3.Thisproducedachainreaction,whichmadeitpossibleforlifetodevelop.2.Thisdisappear