（第2課時）Unit8Weshouldn’twastewater>>Warm-up

Reviewkeeptheriverscleankeeptheaircleanandfreshplantmoretreesusebikesinsteadofcars…>>Warm-up

Review…shouldn’tkillwildanimalsshouldn’twastewatershouldn’tlittershould[??d]應(yīng)該shouldn’t=shouldnot不應(yīng)該waste[we?st]浪費blouse[bla?z]女士短上衣enough[?‘n?f]足夠的save[se?v]節(jié)約drop[dr?p]（一）滴fresh[fre?]新鮮的litter[‘l?t?(r)]亂扔Wordswehaveonlyoneearth我們只有一個地球Lookatthisearth.Thisisourhome.Thereare……river河流mountain高山lake湖泊sea海洋forest森林animal動物

Butnow,ourearthiscrying.但是現(xiàn)在，我們的地球正在哭泣What’swrongwithher?她怎么了？

Canyouexplainthepicture?你能解釋一下這幅圖嗎？Therearetoomanycarsintheworld.toomany修飾可數(shù)名詞Wemaketoomany

cars.我們生產(chǎn)了許多汽車world[w??ld]世界在世界上有許多汽車Wecutdown

toomanytrees.我們砍伐了太多的樹。Therearen'tenoughtreesintheworld.世界上沒有足夠的樹。

cutdown砍伐，砍倒

enough[?'n?f]足夠的

Wekilltoomanywildanimals.我們獵殺了許多野生動物。Therearen'tenoughwildanimalsintheworld.世界上沒有足夠的野生動物kill[k?l]殺害Wewastetoomuchwater.我們浪費太多的水Thereisn'tenoughwaterintheworld.世界上沒有足夠的水。toomuch太多修飾不可數(shù)名詞waste[we?st]浪費Whatshouldwedoforourearth?Whatshouldn’twedoforourearth?should[??d]應(yīng)該shouldn't['??dnt]不應(yīng)該can't=isn't=don't=doesn't=shouldn't=shouldnotcannotdonotisnotdoesnotThere____enoughwaterintheworld.Weshould

.Weshouldn’t.saveeverydropofwaterwastewaterisn'tTreesWeshouldWeshouldn’tplantmoretrees.cutdowntoomany

trees.There_______enoughtreesintheworld.aren'twildanimalWeshouldWeshouldn’tThere______enoughwildanimalsintheworld.aren'tprotectwildanimals.killwildanimals.Weshouldkeeptheriversclean.Weshouldn’tlitter.Weshouldkeeptheaircleanandfresh.Weshouldusebikesinsteadofcars.Therearetoomanycarsintheworld.

>>Let'spratise聽錄音，并練習(xí)。

兩人一組，練習(xí)本部分對話，隨后表演出來吧！Roleplay>>Practise>>Let'sread聽錄音，回答問題。>>Ticktherightandwrong.>>Ticktherightandwrong.Let’sListenandSay>>PresentationLet’sListenandSayLilyisinthebedroom.Lilyiswashinghernewblouse.Weshouldkeepthewaterrunning.Everyoneneedswater.Thereiseno