江西省萍乡市芦溪中学人教版高中英语必修四Unit2第一课时精读课练案

新课程标准高中英语必修四Unit2Working theland第一课时精读课练案组练习A课文填空Im YuanLongping.Look atmy1face andarms andmy slim,strong bodyand youwill thinkImmore likea2than ascientist.In factI havestruggled forthe pastfive3to helpfarmers.In1974,I begantogrow aso-called superhybrid rice.This specialstrain of rice makes4possible toproduce one-thirdmore of the cropin thesame fields.I wasbom into a poorfarmers familyin

1931.When Iwas young,I sawmany peoplego5often.So Ihave devotedmyself tofinding waysto increaserice harvestwithout expandingthe areaof fieldssinceI6from SouthwestAgriculture Collegein

1953.Now morethan60%of therice producedin Chinaeach yearis fromthis hybridstrain.I am7thisknowledge inIndia,Vietnam andother lessdeveloped countriesto increasetheir harvest.Perhaps youthinkI amrich.Actually Ilive asimple life.I care8for money.In myopinion aperson withtoo muchmoneywill have9troubles.I dontwant tobe famousbecause Iprefer tohave moretime todo myresearch.In myfree timeI lovelistening tomusic,playing mah-jong andreading.I oncehad adream,inwhich Isaw riceplants astall assorghum and each earofricewas asbig asan earof cornandeachgrainof ricewas ashuge asa peanut.Now Ihave anotherdream-to10my riceso thatit can be grownall overtheworld.组练习B.阅读下列短文，选择最佳答案1If youwant yourland tokeep fertile,you musttry to stop soil from beingcarried away by waterorwind.When soilis takenawaybyflowing wateror blowingwinds wecall itsoil erosion.Ways havebeenfound to stop soil erosion,and thisis knownas soilconservation.One wayof stoppingsoil erosion is togrowsmall plantssuch asgrass.These plantsare referredto acover crops,whose roots hold the soiltightly together.The rainwater cannot washaway thesoil.When trees and tall bushes are planted attheedges ofan open field,soil erosionby strongwinds cannot takeplace.The trees and bushes,which actasa verybig andfirm wall,protect theopen landfrom thewinds.The wayto stopsoilerosionon slopesis tobuild terraces onthe slope of hillsideand mountainside.When the slopeofa hillsideis cutinto step”,water carryingsoil cannot runstraight downthe terraces,which areused toslow downthe speedof theflowingwater containingmuch soil in it.In thisway mostofthesoilin the wateris leftbehind ontheterraces,much soilin it.1What takesplace insoil erosionA.Flood happensto thefertile land.B.A largequantity ofthesoilloses awaygradually.C.Terraces arebuilt ontheslopeof hillsideor mountainside.D.Plants aregrown toprotect theopen land.2“Cover cropsin thispassage meansA.grass B.treesandbushes C.plants lifeand anareaD.covering plantsthat producegrain orvegetables3Besides growingsmall plants,another methodto fightagainst soilerosionisto•A.buildterracesB.build wallsC.plant treesD.plant tallbushes4According to the passage,treesandtallbushesareplantedaround anopenfield•A.because theirrootsholdsoil tightlyB.tostopsoilfrombeing blownawayby winds.D.TBecause soilerosion causesterrible damagesto cropsD.T okeep thebalance ofnature5Whichof thefollowing isthe besttitle ofthe passageA.What CausesSoil ErosionB.The Importanceof ErosionC.Rain Erosion and WindErosion D.Erosionandthe Wayof Fightagainst Erosion.阅读表达阅读下面短文，并根据要求完成文章后的题目2When yourfamily travelsor isaway fromits usualeating andsleeping routines,probably someonewillget sick.It cantake timeto adapttothefood,water andair ina newenvironment,and kidscanbe腹泻,传染especially travel-related problems,including motion sickness,diarrhea andinfections病.Motion sicknessis causedby adisagreement betweenthe eyesand ears:the innerears noticemovement.But theeyes,focused withina caror othervehicles,do not.These differentsignals comingintothe braincause alot ofproblems suchas sickness,dizziness,paleness,and coldsweats.Motionsickness oftenhappens onships andboats,but itcan alsoaffect kidswhen theytravel inplanes,buses,and cars.Here aresome waysto helpkids fightmotion sickness:★Before youleave,have yourchild eata lightmeal,as motionsickness seemsworse onan emptystomach.Provide foodsthat areeasily digestedand avoidfatty food★Try toavoid eatingduring shorttrips.For longertrips,have asmall amountof drinksand eatlight,small mealsand snacks.★超薄饼干.Ifyour childis feelingsick,provide somemild foodsJike crackers★Encourage kidsto lookoutside thecar,rather thaninside.They shouldfocus onstill objects---notmoving ones-or afar point.★Keep thewindow opena littleto allowfresh airin.★Use aheadrest toreduce headmovement.★色Make frequentstops,if yourchild complainsof fuelingsick andits satostop,a shortwalk forsomefresh airmight help.6What isthe besttitle forthe passagewithin10words*7Which sentencein thepassage canbe replacedby thefollowing oneThesemixed signalswhich enterthe braincan leadtoaseries ofillnesses suchas sickness,dizziness,paleness,and coldsweats.•8Fill inthe blanksinthefirst paragraphwith properwords.within10words*9Please giveanother suggestionto preventmotionsickness.within30words10Translation theunderlined sentenceinto Chinese.。