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付費(fèi) 。付出代價(jià)small things ______ add up and bee big things that _________ improve the environment. Let’s take action now!couldwould/can采取行動(dòng)4c Make a list of things that people can do to help the environment and discuss your list with your partner.use public transportation ( )。turnoffthelightswhenyouleavearoom。usereusablebagsinsteadofplasticbags。rideyourbikeorwalktoschoolorwork。stopusingpapernapkins(餐巾紙 )。recyclebooksandpaper…Ithinkthateveryoneshouldusepublictransportation.Idisagree.It’sdifficultforparentswithyoungchildrentousepublictransportation…1.Wecan’t affordtowaitanylongertotakeaction!affordv.承擔(dān)得起 。提供 ,給予affordtodosth.(常與 can,beableto連用 )買得起 。有足夠的 …….Wecan’t affordtopaysuchaprice.我們付不起這個(gè)價(jià)錢。Dancingaffordsuspleasure.跳舞給我們帶來快樂。2. …save electricity by turning off the lights when you leave a room. turn off 關(guān)掉 . Please turn the television off before you go to bed. 睡覺前請(qǐng)關(guān)掉電視。turn around 轉(zhuǎn)身 turn up 調(diào)高 (音量 )turn down 調(diào)低 。 拒絕turn into 變成 。 進(jìn)入 turn on 打開 , 發(fā)動(dòng) turn off 關(guān)掉 , 關(guān)閉turn out to be 結(jié)果是turn over 移交拓展 :turn相關(guān)短語Finish the exercises in the workboo