Iwonderwhetherthereisanygirlorboywhodoesnotliketoseearainbowinthesky.Itissobeautiful.Thereisastorysayingthatwheneveryouseearainbowyoushouldrunatoncetotheplacewhereittouchesthegroundandthereyo

　　Iwonderwhetherthereisanygirlorboywhodoesnotliketoseearainbowinthesky.Itissobeautiful.

　　Thereisastorysayingthatwheneveryouseearainbowyoushouldrunatoncetotheplacewhereittouchesthegroundandthereyouwouldfindapotofgold.Ofcourseitisnottrue.Youcouldnotfindthepotofgoldoritsend.Nomatterhowfaryourunitalwaysseemsfaraway.

　　Arainbowisnotathingwhichwecanfeelwithourhandsaswecanfeelaflower.Itisonlytheeffectoflightshiningonraindrops.Theraindropscatchthesunlightandbreakitupintoallthewonderfulcolourswhichwesee.Itiscalledarainbowperhapsbecauseitismadeupofraindropsandlookslikeabow（弓).

　　Thatiswhywecanneverseearainbowinaclearsky.Weseearainbowonlywhenthereisrainintheairandthesunisshiningbrightlythroughtheclouds.

　　Everyrainbowhasmanycoloursinthesameorder.Thefirstorthetopcolourisalwaysredandthenextcomesorangethenyellowandlastofallblue.Arainbowisindeedoneofthewondersofnature.

　　1.Childrenlikerainbowsbecause         .

　　A．theyarebeautiful

　　B．theyarelikebows

　　C．theycanfindapotofgoldattheendofarainbow

　　D．theyaregoodtocrops

　　2.Wecannotfeel          withourhands.

　　A．apotofgold      B．aflower          C．arainbow        D．araindrop

　　3.Wecanseearainbow          .

　　A．whenitisrainingheavily

　　B．whenitissnowing

　　C．whenitiscloudy

　　D．whenitisbecomesfineshortlyafterraining

　　4.WhichofthefollowingstatementsisNOTtrue?

　　A．Arainbowislikebow.

　　B．Arainbowistheeffectoflightshiningonraindrops.

　　C．Everyrainbowhasdifferentcoloursindifferentorders.

　　D．Arainbowisoneofthewondersofnature.

　　5.Thefirstcolourofarainbowisalways          .

　　A．yellow           B．red             C．green           D．blue