阅读理解Theweatherisnotbeautifulallofthetime.Perhapsyoucanrememberadaywhenbadweathermadeyouafraid.Onekindofbadweatherthatfrightens(惊吓)manypeopleiscalledathunderstorm(雷暴雨).Th

　　阅读理解

　　Theweatherisnotbeautifulallofthetime.Perhapsyoucanrememberadaywhenbadweathermadeyouafraid.Onekindofbadweatherthatfrightens(惊吓)manypeopleiscalledathunderstorm(雷暴雨).

　　Thisiswhathappenswhenthereisathunderstorm.Firstyouseeasuddenflash(闪亮)ofbrightlight.Afewsecondslateryouhearaloudrumblingsound.Thisquickflashiscalledlightningandtheloudsoundiscalledthunder.Lightningiscolorfulbutitcancauseseriousproblems.

　　Lightningiselectricitythatismovingveryrapidly.Itmaybemovingbetweenacloudandtheground，betweentwocloudsorbetweentwopartsofthesamecloud.Thelightningheatstheairaroundit.Thishotairexpands(扩大)orgetsbiggeranditcausestheairtomoveinwaveswhichpassyouinaseries(系列)oneafteranother.Forthisreasonyoumayhearmanyrumblesandnotjustonesound.

　　1．Agoodtitleforthisselectionis_____.

　　[]

　　A．AirWaves

　　B．LightningandPeople

　　C．TheWeatherIsNotBeautifulAlloftheTime

　　D．Thunderstorms

　　2．Theword“rumble”inthispassagemeans_____.

　　[]

　　A．asharpvoice

　　B．aloudandjoyfulsound

　　C．asuddenflash

　　D．adeepheavycontinuoussound

　　3．Whenyouhearthunderyoumayhearaseriesofloudsoundsandnotonebigsound.Thisisbecause_____.

　　[]

　　A．thehotairmovesbetweentwoclouds

　　B．theairwavespassoneafteranother

　　C．thethundercomesafterthelightning

　　D．thelightningcomesafterthethunder

　　4．WhichoftheseisNOTTRUEaboutthunderandlightning?

　　[]

　　A．Lightningmaymovebetweenacloudandtheground.

　　B．Thunderisaverybrightlightinathunderstorm.

　　C．Lightningiselectricity.

　　D．Lightningheatstheairarounditandcausestheairtomoveinwaves.

　　5．Lightningalwaysmoves_____.

　　[]

　　A．betweentwoclouds

　　B．inwaves

　　C．inaseries

　　D．rapidly