求这篇教案的题目和答案
【单元导航】
TheLancang-MekongRiver
x05TheLancang-MekongRiverisanimportantinternationalriverinSoutheastAsia,whichflowsthroughsixcountries.TheLancangRiverisrichinnaturalresourcesandwildlife.ThelargestpartofthebasinisanaturalconservationareaforrareandendangeredanimalsandplantsinChina.Thebasinareaisstillanunderdevelopedregionatpresent.However,duetodeforestation(滥伐森林)andpollutionfromindustrial,agriculturalanddomesticsectors,thewaterqualityoftheriverhasbeendeteriorating(恶化)inrecentyears.Inthispaper,theauthoranalyzedthepresentwaterqualitystatusoftheLancangRiverbothonthemainstreamanditstributaries(支流)basedonthedataof1990～1997.Theresultshaveshownthatthewaterqualitystatusoftheriverisnotgoodenoughalthoughtherearefewindustrialestatesintheregion.Thepollutantsintheriveraremainlyorganic(有机的)materials.Themainpollutionsourcesarewastewaterfrompaperplants,sugarplants,domesticwastewaterfromDaliCityandJinghongCity,aswellas,fertilizersandchemicalsfromagriculturalfields.HeavymetalsfromtheLanpingLeadandZincMineandtheLancangLeadMinearethemainpollutantsinthetributariesoftheBijiangRiverandtheNanlaRiver.Waterqualityofthemainstreamisbetterthanitstributaries；itbetterinthedryseasonthaninthewetseason.
SectionOneWarmingUpandReading
Ⅰ.Lead-in
1.回答下列问题
(1)Doyouliketravelling?
(2)Wherehaveyoubeen?
(3)Canyoutellyourpartnersomethingaboutit?
2.假设你有4天的假期,与你的同桌讨论一下你可能去的地方,讨论内容要包括：
Whereareyougoingonholiday?
Whenareyouleaving?
Howareyougoingto...
Howlongareyoustaying?
Whenareyouarrivingin/at...