2个英语阅读题【一】Therearemanykindsofanimalsthatliveintheforest,suchasmice,rabbitssquirrelsowlsandhawks,AnimalsintheforestdependononeanotherforfoodManysmallforestanimals,suchasmice,atgreenplantsforfood,and

　　2个英语阅读题

　　【一】

　　Therearemanykindsofanimalsthatliveintheforest,suchasmice,rabbitssquirrelsowlsandhawks,Animalsintheforestdependononeanotherforfood

　　Manysmallforestanimals,suchasmice,atgreenplantsforfood,andthentheythemselvesareeatenbylargeranimals.Thisiscalledafoodchain.

　　Afoodchainbeginswiththesun.Thergreenplantsintheforestusethesun'senergytomakefoodforthemselves.Thisprocess,oraction,iscalledphotosynthesis.

　　Forestplantsproduceflowersandseedsthatareeatenbymiceandlargeranimal,suchasthehuntinghawk.So,theenergyfromthesunpassesfromtheplantstothemicetothehawk,Abreakinanylinkofthisfoodchainmeansthatsomeanimalsmaynothaveenoughfoodtolive.

　　1.Photosynthesistakesplacewhengreenplantsusethesun'senergyto_____.

　　2.Thefirstlinkinafoodchainis_____.

　　3.Animalssometimescannotfindenoughfoodbecausethereisabreakinthe___chain.

　　4.Thefoodchainshowaboutlivingthingsdependon____.

　　【二】

　　Whentheworldwasveryyoung,peoplelivedonlyinhotplaces,Theydidn'tliveincoldplacesbecausetheycouldnotkeepwarmthere,Atfirstmendidin'tknowhowtomakeafire.Sometimestreeswerehitbylightening.Thenafirewasstarted.Peopletooksomeofthefireneartheirhomes.Afirewasveryimportantforthreereasons.Itkeptthemwarm.Wildanimalswerefrightenedwhentheysawit.andwhenfoodwascooked,ittastedmuchbetter.

　　Butmendidn'tknowhowtomakeafire.Whentheyhadafire,theykeptitburning.Ifitwentout,theycouldn'tstartitagain.Theyhadtowaitforlighteningtostartanotherfire.Sometimestheyhadtowaitforyears.

　　1.Wheredidipeoplelivewhentheworldwasveryyoung?

　　2.Whycouldn'ttheyliveincoldplaces?

　　3.Werewildanimalsfrightenedwhentheysawthefire?