北京外国语大学考博英语模拟真题及其解析(精)

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1、北京外国语大学考博英语模拟真题及其解析Directions:Inthefollowingarticle,somesentenceshavebeenremoved.ForQuestions1-5,choosethemostsuitableonefromthelistA―Gtofitintoeachofthenumberedblank.Therearetwoextrachoices,whichdonotfitinanyofthegaps.Anewvolcanowasbeingborn.Gengduoyuanxiaowanzhengkaoboyingyuzhent

2、ijiqijiexiqinglianxiquanguomianfeizixundianhua:silinglingliuliubaliujiuqiba,huojiazixunqq:qiqierliuqibawusanqi.Thevolcanointhecornfieldgrewuntilitwasbiggerthanthecornfield!1PeoplecalledthevolcanotheLittleMonsterbecauseitgrewsofast.Scientistscamefromallovertheworldtostudyitandwatchi

3、tgrow.Itisnotoftenthatpeoplegetachancetowatchavolcanofromtheverybeginning.Mostofthevolcanoeshavebeenhereforaverylongtime.Somehavebeenheresolongthatnowtheyarecold.Theyarecalleddeadvolcanoes.Theyhavestoppedthrowingoutfireandmeltedrockandsmoke.Itissafetowalkonthem.Farmsareplowedontheq

4、uietslopes,andpeoplehavebuilthousesthere.Somevolcanoeshavestoppedthrowingouthotrock,buttheystillsmokealittlenowandthen.Theyare"sleeping"volcanoes.Sometimetheymay"wakeup".2Todayvolcanoesarenotsodangerousforpeopleastheywerealongtimeago.Nowweknowmoreaboutwhyvolcanoesdowhattheydo,andwe

5、canusuallytellwhentheyaregoingtodoit.3Peopleusedtothinkdragonsundertheearthcausedvolcanoes.Theysaidthesmokethatpuffedabovethegroundwasthedragon'sbreath.Theysaidtheearthquakeswerecausedbythedragon'smovingarounddownintheearth.Nowweknowthatthisisnottrue.Anotherthingweknowaboutvolcanoe

6、sisthattheydon'thappenjustanywhere.4Scientistsknowwheretheseplacesare,andmapshavebeenmadetoleteverybodyknow.Therearedifferentkindsofvolcanoes.Someexplodesoviolentlythattherockgoeshighintotheairandfallsmilesaway.Avolcanomayshootoutashessohighthattheyfloatallthewayaroundtheworld.They

7、havemadethesunsetsgreenandthesnowpurple.5Oneverytallvolcanostaysfieryredatthetopallthetime.Itisluckythatthevolcanoisneartheocean.Sailorscanuseitforalighthouse.[A]Othervolcanoesaremoregentle.Thehotlavarisesintheirconesandoverflows,rollingslowlydownthemountainside,whereitbecomescoola

8、ndhard.[B]Blacksmokepuffed