Unit+2+Topic+2+Section+A++導(dǎo)學(xué)案 仁愛版英語九年級上冊

秋季學(xué)期九年級上冊導(dǎo)學(xué)案（仁愛版）Unit2Topic2SectionA【學(xué)習(xí)目標(biāo)】學(xué)習(xí)砍伐樹木帶來的危害。學(xué)習(xí)怎樣阻止沙塵暴和節(jié)約用水?！咀詫W(xué)新詞匯】寫出下列單詞的英文及詞性。沙暴（）____2.沙，（）____轉(zhuǎn)換成（）____4.沙漠，遺棄（）____人（）____6.雖然，盡管（）____7.減少，減輕（）____8.徹底地，完整地（）____二、在文中找到并畫出下面的短語：1.好大的風(fēng)??！______________2.過去的幾年，________________3.砍到許多樹，________________4.結(jié)果，________________5.陸地變成沙漠，________________6.阻止風(fēng)把土地吹走_(dá)_______________7.對...有危害，________________8.吹走，________________9.洗掉，________________【重點句型】1.結(jié)果，很多肥沃的土地都變成沙漠了。Asaresult,alotofrichlandhaschangedintodesert.2.樹木可以防止土壤被風(fēng)刮走。Treescanstopthewindfromblowingtheearthaway.3.砍伐樹木對人類、動物和植物是有害的。Cuttingdowntreesisharmfultohumanbeings,animalsandplants.【知識講解】1.Peoplehavecutdowntoomanytrees.人們砍伐了太多的樹。cutdown砍倒,砍伐;降低,減少cutup切碎cutinto切成2.Asaresult,alotofrichlandhaschangedintodesert.結(jié)果,大量的肥沃土地變成了沙漠。change…into…=turn…into…把……變成……Eg:Thecoldweatherchangedwaterintoice.寒冷的天氣把水變成了冰。3.Treescanstopthewindfromblowingtheearthaway.樹木能防風(fēng)固土。Theycanalsostopthewaterfromwashingtheearthaway.它們也可以防止水土流失?！飐top/preventsb./sth.(from)doingsth.阻止某人/某物做某事，避免某人/某物做某事(from可以省略)★keepsb./sth.fromdoingsth.阻止某人/某物做某事(from不能省略)4.Andalotofwatercanbesavedbyforests.森林可以貯存大量的水分。canbesaved為含情態(tài)動詞can的被動語態(tài)結(jié)構(gòu)。save此處為“貯存,保留,保存”的意思。save作動詞時，還有“挽救”和“節(jié)約”的意思。Eg:It'sadoctor'sdutytosavepatients'lives.挽救病人的生命是醫(yī)生的職責(zé)。Wemustsaveeverydropofwater.我們必須節(jié)約每一滴水。5.Althoughwehavebuilt“TheGreenGreatWall”,westillneedtodosomethingtoprotecttheenvironment.雖然我們修建了“綠色長城”,但我們?nèi)匀恍枰扇〈胧﹣肀Ｗo(hù)環(huán)境。although與though引導(dǎo)讓步狀語從句,不能和but、however等連用。6.Peoplehavecutdownsuchalargenumberoftrees…人們砍伐了大量的樹……anumberof意為“許多,大量”,修飾可數(shù)名詞復(fù)數(shù)。修飾主語時，謂語用復(fù)數(shù)形式。alotof(=lotsof)與plentyof也有“許多,大量”的意思，它們既可修飾可數(shù)名詞復(fù)數(shù)，也可修飾不可數(shù)名詞。thenumberof意為“……的數(shù)量”,修飾可數(shù)名詞復(fù)數(shù)。作主語時，謂語用單數(shù)形式。Eg:AnumberofvisitorsarevisitingthePalaceMuseum.Thenumberofthevisitorsisabout3,000.大量的游客正在參觀故宮，數(shù)量大約是3，000人?！眷柟叹毩?xí)】I.根據(jù)句意，用括號內(nèi)所給單詞的適當(dāng)形式填空。1.Thewindblew_______(strong)lastnight.2.Treescanstopthewindfrom_______(blow)theearthaway.3.Smokingcanbe_______(harm)toyourhealth.4.Alotofforests__________(go).5.______(cut)downtreesisbadforhumanbeings,animalsandplants.II.單項選擇。1.(2022濟南中考)——Didyoudo____specialforyourmotheronherbirthday?——Yes.Icookedlongnoodlesforher.A.nothingB.somethingC.everythingD.anything2.Weather____hishealth,andhefallssickfromthe_____ofthefreezingweather.A.affects;affectB.effects;effectC.affects;effectD.effects;affect3.——Oh!What'swrongwithyourleg?——IhurtitwhileI______mountains.A.climbB.wasclimbingC.amclimbingD.haveclimbed4.Thefarmer____alotoftreesandbuiltanewhouse.A.CutdownB.cutoffC.turneddownD.turnedoff5.Therewasnothing____her____dangeroussports.Wedidn’tknowwhattodo.A.Prevent;fromdoingB.toprevent;todoingC.toprevent;fromdoingD.preventing;fromdoing參考答案：一、寫出下列單詞的英文及詞性。（參看單詞表）二、在文中找到并畫出下面的短語：1.好大的風(fēng)??！Whatastrongwind2.過去的幾年，thelastfewyears3.砍到許多樹，cutdownmanytrees4.結(jié)果，asaresult5.陸地變成沙漠，thelandchangedintodesert6.阻止風(fēng)把土地吹走，stopthewindfromblowingtheearthaway7.對.