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_____.
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A.AirWaves
B.LightningandPeople
C.TheWeatherIsNotBeautifulAlloftheTime
D.Thunderstorms
2.Theword“rumble”inthispassagemeans_____.
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A.asharpvoice
B.aloudandjoyfulsound
C.asuddenflash
D.adeepheavycontinuoussound
3.Whenyouhearthunderyoumayhearaseriesofloudsoundsandnotonebigsound.Thisisbecause_____.
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A.thehotairmovesbetweentwoclouds
B.theairwavespassoneafteranother
C.thethundercomesafterthelightning
D.thelightningcomesafterthethunder
4.WhichoftheseisNOTTRUEaboutthunderandlightning?
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A.Lightningmaymovebetweenacloudandtheground.
B.Thunderisaverybrightlightinathunderstorm.
C.Lightningiselectricity.
D.Lightningheatstheairarounditandcausestheairtomoveinwaves.
5.Lightningalwaysmoves_____.
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A.betweentwoclouds
B.inwaves
C.inaseries
D.rapidly