Module 4 The natural world Unit 10 Air知識總結(jié)及練習（含答案）

Unit10Air單詞、短語air，factory，clean，everywhere，smoke，fresh，alive，dirty，plant，balloon，hurt，tie，string，cloth，keep……alive，planttrees，apieceof句子Itkeepsthemhighinthesky.★詞匯突破★1.air（名詞）空氣Theairisfresh.空氣清新。2.factory(名詞）工廠Lookattheblacksmokefromthefactory.看那邊黑煙來自于工廠。3.clean(形容詞）干凈的；潔凈的Treeskeeptheairclean.樹木使空氣干凈。4.everywhere(副詞）到處；處處I'velookedeverywhereformypen，butIcan'tfindit.我到處找我的筆，但是還是沒找到。5.smoke（名詞）煙Whereisthesmokefrom?煙從哪里來？6.fresh（形容詞）清新的Theairissofreshhere.這里的空氣如此清新。7.alive(形容詞）活著的Weallneedittokeepusalive.我們需要它來維持生命。8.dirty(形容詞）臟的Itmakestheairdirty.它把空氣都弄臟了。9.plant(動詞）種植Weshouldplantmoretreesandkeeptheairclean.我們應該多種點樹，讓空氣保持清新。★句型突破★Itkeepsthemhighinthesky.它使它們高高的在天上?！镏R拓展★空氣污染airpollution空氣污染fogandhaze霧霾constructiondust建筑粉塵carbonemission碳排放vehicleexhaust汽車尾氣harmfulsubstances有害物質(zhì)單選題1.Whatkeepsusalive?（）A.WaterB.FireC.AirD.Earth2.Wheredoestheblacksmokeusuallycomefrom?（）A.TreesB.FactoriesC.PlantsD.Animals3.Whatdotreesdototheair?（）A.MakeitdirtyB.KeepitcleanC.MakeithotD.Makeitcold4.Whichwordmeans"everywhere"?（）A.SomewhereB.AnywhereC.EverywhereD.Nowhere5.Whatistheoppositeof"fresh"?（）A.DirtyB.CleanC.ClearD.Pure6.Whatdowecalltheairthatisnotclean?（）A.FreshairB.CleanairC.DirtyairD.Pureair7.Whatcanwedotokeeptheairclean?（）A.PlantmoretreesB.BuildmorefactoriesC.DrivemorecarsD.Burnmorewood8.Whatisthemaincauseofairpollution?（）A.PlantingtreesB.BreathingC.BurningfossilfuelsD.Drinkingwater9.Whichofthefollowingisnotasourceofairpollution?（）A.VehicleexhaustB.ConstructiondustC.CarbonemissionD.Photosynthesis10.Whatdowecallthesubstancesthatareharmfultoourhealth?（）A.HarmfulsubstancesB.UsefulsubstancesC.NaturalsubstancesD.Organicsubstances11.Whatdoballoonsneedtokeepthemhighinthesky?（）A.AirB.WaterC.FireD.Earth12.Whatdoes"keep...alive"mean?（）A.Make...dieB.Keep...livingC.Make...sleepD.Make...stop13.Whatdowecallaplacewherethingsaremade?（）A.SchoolB.HospitalC.FactoryD.Restaurant14.Whatdowecallapieceofmaterialusedforcoveringormakingthings?（）A.ClothB.WoodC.StoneD.Metal15.Whatdowecalltheprocessofputtingtreesintothegroundtogrow?（）A.PlantingB.WateringC.CuttingD.Burning易錯知識點及練習易錯知識點1:形容詞辨析易錯點:Clean和fresh的區(qū)別，dirty的反義詞。練習:-Theairisso______here.(fresh)-Itmakestheair______.(dirty)易錯知識點2:動詞短語的用法易錯點:Keep...alive的意思。練習:-Weallneedairto______usalive.(keep)-Treeshelpto______theairclean.(keep)答案及解析1.C.Air(空氣維持我們的生命)2.B.Factories(工廠通常會排放黑煙)3.B.Keepitclean(樹木使空氣保持干凈)4.C.Everywhere(everywhere表示“到處”)5.A.Dirty(dirty是fresh的反義詞)6.C.Dirtyair(不干凈的空氣叫dirtyair)7.A.Plantmoretrees(多種樹可以保持空氣清潔)8.C.Burningfossilfuels(燃燒化石燃料是空氣污染的主要原因)9.D.Photosynthesis(光合作用不是空氣污染的來源)10.A.Harmfulsubstances(有害物質(zhì)對我們的健康有害)11.A.Ai