Unit-13--We-are-trying-to-save-the-earth知识点总结

Unit13Wearetryingtosavetheearth!一．教材知识详解SectionA1.Theairhasbecomereallypollutedaroundhere.(1)现在完成时（复习）(2)become2.Well,cutdownairpollution,weshouldtakethebusorsubwayinsteadofdriving.(1)cutdown(2)insteadof与instead3.Thereareotheradvantagesofbikeriding.It’sgoodforhealthanditdoesn’tcostanything!考点：advantage4.Andremembertothrowrubbishinthebinsandkeeppublicplacescleanandbeautifulforeveryone.(1)remembertodorememberdoing(2)系动词keep(3)everyone与everyone5.Manyhaveheardofsharkfinsoup.hearof听说hear短语归纳：6.Whenpeoplecatchsharks,theycutofftheirfinsandthrowthesharkbackintotheocean.cutoff连接名词或代词时，名词或代词应放在_________________________cut短语归纳：off短语归纳：7.Thismethodisnotonlycruel,butalsoharmfultotheenvironment.(1)cruel(2)notonly...butalso(3)beharmfulto8.Sofar,noscientificstudieshaveshownthatsharkfinsaregoodforhealth,sowhyeatthem?考点：sofar9.Manybelievethatsharkscanneverbeendangeredbecausetheyarethestrongestintheirfoodchain.(1)thestrongest(2)Endanger10.afford/spend/take/cost/paySectionB1.Doyouoftenthrowawaythingsyoudon’tneedanymore?考点：throwaway2.Haveyoueverthoughtabouthowthesethingscanactuallybeputtogooduse?(1)thinkabout(2)put...togooduse*put其他短语：3.ShelivesinahouseintheUKthatshebuiltherselfoutofrubbish.(1)built...outofsth(2)定语从句复习4.Thewindowsanddoorscomefromoldbuildingsaroundhertownthatwerepulleddown.考点：pulldown*pull其他短语：5.Sheopenedasmallshopwhereshesellsherbags,andshehasalsosetupawebsitetosellthemonline.(1)ThisisthecitywhereIwasborn.(2)setup*set相关短语：6.Notonlycantheartbringhappinesstoothers,butitalsoshowsthatevencold,hardironcanbebroughtbacktolifewithalittlecreativity.(1)notonly...butalso...(2)bring...backtolife(3)others二．语法复习1.现在进行时2.usedto3.被动语态4.现在完成时5.情态动词【基础训练】【能力提升】