Period2

UNIT1

Natureinthebalance主題語境人與自然

——自然環(huán)境、自然遺產(chǎn)保護課時練案課文整體閱讀(Reading)√1．Whatisthetextmainlyabout?A．Thesignificanceofagriculture.B．ThevalueoftheAmazonrainforest.C．Thewaytoenjoythenaturaltreasure.D．TheremarkontheAmazonrainforest.√2．Whatisthethirdparagraphmainlyabout?A．Over390，000plantspeciescanbefoundintheAmazon.B．TheAmazonhasmanytallandancientbrazilnuttrees.C．TheAmazonishometobigwaterlilies.D．ThedifferentlevelsintheAmazonrainforest.√1．Basedonthetext，whatconclusioncanbemadeabouttherelationshipbetweenhumanactivitiesandtheAmazonrainforest?A．HumanactivitieshavenoimpactontheAmazonrainforest.B．HumanactivitiesposesignificantthreatstotheAmazonrainforest'ssurvival.C．HumanactivitiesonlybenefittheAmazonrainforest.D．HumanactivitiesenhancebiodiversityintheAmazonrainforest.2．WhatisthemainfunctionoftheAmazonrainforest?A．Producingoxygenformankind.B．MaintainingtheEarth'secosystem.C．Providingfoodandmedicalservice.D．Supportingalargepopulationintheforest.√3．WhatisthemajorthreattotheAmazonrainforest?A．Climatechange.B．Humanactivities.C．Naturaldisasters.D．Animaldisappearing.√1．Whatarethelong-termeffectsofthedestructionoftheAmazonrainforest?____________________________________________________________________________________________________________________2．HowcanwesupportsustainablepracticestoprotecttheAmazonrainforest?____________________________________________________________________________________________________________________[答案]略significanteightcountries6million6，400kilometresbiodiversity40，0001，300400element20percent1．climaten．氣候；傾向，風(fēng)氣；氛圍，局勢①(教材原句)Foranotherthing，duetotheAmazon'shotclimate，itisdifficultforthesoiltobuildupenoughnutrients． ____②Accordingtosomeexperts，theeconomicclimateremainsuncertain． ____③Thereligiousclimateatthetimewasuncongenialtonewideas． ____氣候局勢傾向2．trackn．足跡，小徑；蹤跡，車轍；小道；軌道；跑道；路線；方向vt.&vi.跟蹤，追蹤①(教材原句)…deeraretrackedandshotbypeoplewhoenjoytheexcitementofthesport．

________②Thepathwasnobetterthanasheeptrack．

_______③ThetrainforChicagoisontrack9．

_______vt.追蹤n.小徑n.軌道1．(學(xué)會斷句)TheAmazonRiver，fromwhich/therainforestgetsitsname，iscloseto6，400kilometres/inlength—roughly100kilometres/longerthantheYangtzeRiver.[分析]本句是一個主從復(fù)合句。句子主干為TheAmazonRiver...iscloseto...。破折號后的內(nèi)容是對6，400kilometresinlength的解釋；fromwhich引導(dǎo)____從句。[翻譯]

_____________________________________________________________________________________________________________定語亞馬孫雨林得名于亞馬孫河。亞馬孫河長接近6400千米，比長江還長約100千米。2．(學(xué)會斷句)Astheimpactofhumanactivities/continuestogrow/andthelistofspecies/indangerofextinction/becomeslonger，weareleftwithaquestion：canweaffordtodamagethe“l(fā)ungsoftheplanet”？[分析]本句是一個主從復(fù)合句。句子主干為weareleftwithaquestion...。冒號后的分句是question的同位語；as引導(dǎo)________從句，該從句也是and連接的兩個并列分句。[翻譯]

_____________________________________________________________________________________________________________時間狀語

隨著人類活動的影響不斷增加，瀕危物種名單越來越長，這就留給我們一個問題：我們能承擔(dān)得起損害“地球之肺”的后果嗎？1．(續(xù)寫佳句)①Welcometothejungle，ahugeseaofgreenalivewiththesoundsofanimals．(比喻句描寫場景)歡迎來到這片叢林，這是一片綠色的海洋，到處都可以聽到動物發(fā)出的聲音。②Thentherearethetoweringancienthardwoods，andfinallythetopsofthetallesttreesmanymetresabovetheground．(場景描寫)然后是高聳而古老的闊葉樹，最后是離地面好幾米高的最高樹木的樹梢。2．(應(yīng)用文佳句)Asthelargestrainforestintheworld，itplaysasignificantroleinmaintainingthefinebalanceoftheEarth'secosystem.(事物重要性介紹)作為世界上最大的熱帶雨林，它在維持地球生態(tài)系統(tǒng)的良好平衡方面發(fā)揮著重要作用。Theforest'sdifferentlevelssupportanunbelievablevarietyofwildlife．Atthebottom，thereisasystemofrootsbeneaththeground.Abovethatisthemassofleaflitteronthedarkforestfloor.Thenextlevelismadeupofshorterplantswithlargeleaves.