reviewofunit16TheSea旧课件

Unit16TheSea---reviewPhrases，IwishIcouldgototheseasidetodayPitywelivesofarfromtheseaSoundslikeagoodideaTakeadeepbreathandI’lltimeyou从太空望去，海是如何保持清洁的？这是因为地球表面的三分之二是由广阔的海洋构成的，这些小鱼成了鲸鱼的主要食物，地球看上去是蓝色的，遗憾的是我们住得离海太远，我来给你计时，因此，当巨头鲸潜水时，听起来像个好主意，深呼吸，Seenfromthespace，巨头鲸就只得用声波来寻找鱿鱼，它的心跳就减慢到正常心速的一半，要是今天能去海边就好了，farfrommakeuponaveragedowellbyweighttheaverageofmakeupone’smind3700kmlonganaverageofholdone’sbreathavarietyofatatimetakeadeepbreathadepthofatonetimecomeupalengthofbythetimebemakeupofbesuppliedbyonceuponatimeSentences，theearthlooksblueHowdoestheseawaterstayclean?Thisisbecausetwothirdsoftheearth’ssurfaceismadeupofvastoceansThesefishprovidethemainfoodforwhalesWhenthespermwhaledives，itsheartslowstohalfitsnormalspeedThespermwhalethereforehastolookf，