文档介绍：Unitfive:OurEarthTeachingobjectivesThemeTheearth、environmentalprotectionVocabularypilotsurroundliquidmeasureimportanceSpeakingWhattheearthwillbeinthefutureandwhatwecandoforitGrammarPrepositionPracticalwritingHowtowriteslogansTextA ,thefirstdayofspring,beestablishedEarthDayforanationwideteach-,1970,anestimated20millionpeople,2000collegesanduniversities,10,000grammarandhighschoolsand1,munitiestookpartinthefirstnationwidedemonstrationsonenvironmentalproblemsintheUSA,whichmarkedthebeginningoftheworld’’ssevencontinentsandfiveoceansandpointthenoutonmap??TEXTⅠ.,,.(1)shewantstobeapilotinthefuture.(2),,;,.(1)mothermeasuredmetoseethesizeformyclothes.(2).Ⅱ.,但是没有人真正说出了地球到底是什么。Senten