三、完形填空(10分)Haveyou1____drunkthewaterdirectlyfromariver?I'msureyouransweris“Yes”.Perhapsyoumayhave2____thewaterfromawell(井)orfromatap(水龙头)before.3____asIknowmostofyo

　　三、完形填空(10分) 

　　    Haveyou1____drunkthewaterdirectlyfromariver?I'msureyouransweris“Yes”.Perhapsyoumayhave2____thewaterfromawell(井)orfromatap(水龙头)before.

　　3____asIknowmostofyouonlydrinkhotwaterorthebottled(罐装的)waterfromashopnow.

　　    Butthingswerequite4____twentyyearsago.Atthattimeallthesmallrivers5____uswereveryclearandthewaterwasveryclean.Ifyouwerethirsty(渴)，youcouldjustbend(弯曲)downbytheriversideanddrinksomewaterwithyour6____Itwascoolandsweet.

　　7____comfortableitwas!Butallthiswasinthepast.Things8____alot.Someriverwaterisnoteven9____forustowashourhands.Whata10____!

　　()1.A.already   B.just   C.ever   D.even

　　()2.A.try   B.tried   C.tired   D.trew

　　()3.A.However   B.And   C.Since   D.Yet

　　()4.A.same   B.easy   C.different   D.difficult

　　()5.A.between   B.around   C.among   D.by

　　()6.A.hands   B.nose   C.eyes   D.ears

　　()7.A.What   B.How   C.Why   D.Whata

　　()8.A.haveexchanged   B.haveturned   C.havegot   D.havechanged

　　()9.A.cleanenough   B.dirtyenough   C.enoughclean   D.enoughdirty

　　()10.A.pity   B.present   C.problem   D.matter