学会运用1:I’m_________(tie)myshoelaces—raceyou!学会表达2:我们把气球拴在椅子上了。We_________theballoon_________thechair.tyingtiedto2product/pr?d?kt/n.产品（教材P57）(观察)·Theyputanewproductonthemarket.他们向市场推出了一款新产品。·Soapisacleaningproductweuseeveryday.肥皂是我们每天用的清洁用品。·Thefactoryproducesalargenumberofcarseveryyear.这家工厂每年生产大量的汽车。归纳拓展product是名词，意为“生成物；产品”，其动词形式是produce，意为“生产；出产”。学会运用3:Westudentsnowusefewerthrowaway___________(produce)thanbefore.学会运用4:Thisfactorycanpalotofcarseveryyear.学会表达5:这家商店出售许多不同的产品，比如玩具和书籍。Thisstoresells______________________________,liketoysandbooks.productsroducemanydifferentproducts3reduce/r?dju?s/vt.vi.减少（教材P59）(观察)·Toreducewaste,weshouldrecyclepaper.为了减少浪费，我们应该回收纸张。·I’llreducemyscreentimeto1hourtoday.我今天要把看屏幕的时间减少到1小时。·Wereducedwasteby50%!我们减少了50%的浪费！·Shereducedherstudytimefrom2hoursto1hour.她把学习时间从2小时减到了1小时。归纳拓展reduce是动词，意为“减少”；reduceby减少了……；reducefrom...to...从……减少到……学会运用6:Walkinginsteadofdrivingcanrtraffic.学会表达7:种树有助于减少污染。Plantingtreeshelps__________________.educereducepollution4waste/we?st/n.浪费；废料（教材P59）(观察)·Weshouldavoidwasteandmakefulluseofresources.我们应该避免浪费，充分利用资源。·Idon’tthinkweneedtowastemuchtimeonthisthing.我认为我们不必在这件事上浪费太多时间。·Wewastedawholeafternoon(in)repairingthecar.我们浪费了一整个下午的时间来修小汽车。·Allhiseffortswenttowaste.他所有的努力都白费了。归纳拓展waste既可作名词，也可作动词，意为“浪费”。常见搭配：wastetimeonsth.在某事上浪费时间；wastetime(in)doingsth.浪费时间做某事；gotowaste浪费，白费。学会运用8:It’sawoftimearguingwithhim.学会运用9:Don’twastetime_________(play)videogamesallday.学会表达10:她经常浪费时间在看电视上。Sheoften_________time_________watchingTV.asteplayingwastesin5joy/d???/n.乐趣；高兴（教材P59）(观察)·Readingbooksisasourceofjoyforme.读书是我快乐的源