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课后限时作业(四)限时/50分钟Ⅰ.阅读理解A17yearoldU．S.seamansteered(驾驶)hisbatteredsailboatintoaSouthernCaliforniaharbouronThursdaytocompleteahard13monthvoyageandbecometheyoungestpersontosailaroundtheworldalone.ZacSunderlandarrivedinMarinaDelReyaboard,drivinghis36footsloop(单桅纵帆船)Intrepidatabout10a．m.localtime.Duringhis28,000nauticalmilejourney,hebravedstorms,equipmentfailures,suspectedpiratesandnarrowlyescapedfromthecrashwithfreighters(货船)．“It'sawesometobeback.”Sunderland,ofThousandOaks,California,saidafterhewaswelcomedhomebymanywellwishers.Fewerthan250peoplehavesailedalonearoundtheglobe,withthreetimesthatmanyclimbingthepeakofMountEverest,accordingtotheAmericanSailingAssociation,whichcertifiedSunderland'sachievement.SunderlandleftMarinaDelRey,justsouthofLosAngeles,onJune14,2008,andcelebratedhis17thbirthdayatseawhileoffAfrica'sCapeofGoodHope.Hisreturnwasdelayedneartheendofhisvoyagewhenhissloopsustainedabrokenbulkhead(隔板)inroaringseasoffMexico,forcinghimtostopatPuertoVallartalongenoughforhisfathertoflyintomakerepairs.AnothertensemomentoccurredintheIndianOceanoffIndonesia,wheretheIntrepidwasapproachedbyasuspectedpirateboat.AplaneflewoverheadandSunderlandclimbedontohisdeckwithaguntothreatenthemandthentheintrudersfled,saidCharlieNobles,executivedirectoroftheassociation.Sunderland,whoremainedinsatellitetelephonecontactwithhisfatherduringthevoyage,dumped_thegunbeforeenteringMexicanwaters,whereitisillegaltocarryprivatefirearms.Hebecomesthefirstpersonunder18tosailtheglobealone,andtheyoungesttodate.ThepreviousrecordholderwasDavidDicksofAustralia,whocompletedhisvoyageinNovember1996atage18.语篇导读本文为记叙文，讲述了17岁的美国少年ZacSunderland驾驶着他的帆船历时13个月，航行28000海里的故事。1．WhendidSunderlandfinishhisglobalsailing?A．InJune2009.B．InJuly2009.C．InAugust2009.D．InSeptember2009.解析B数字计算题。根据第一段中的completeahard13monthvoyage和第四段中的SunderlandleftMarinaDelRey…onJune14,2008可以计算出，Sunderland是在2009年7月完成他长达13个月的环球航海的，故选B项。2．HowmanypeopleclimbedthepeakofMountEverestaccordingtothedataoftheAmericanSailingAssociation?A．About250.B．About500.C．About750.D．About1,000.解析C数字计算题。根据第三段可知，美国航行协会的数据显示，曾独自驾船环游地球的人不到250个，而登上珠穆朗玛峰顶峰的人数却是它的三倍，故选C项。3．Whatcanweknowfromthepassage?A．ZacSunderlandisthefirstyoungpeoplewhosailedtheglobealone.B．ZacSunderlanddidn'tgetintouchwithhisfamilyduringthevoyage.C．ZacSunderlandhadagunfightwiththepirates.D．ZacSunderlandhadtowaitforhisfathertorepairtheboatatPuertoVallarta.解析D细节理解题。根据第五段第一句可知，在Sunderland行至墨西哥附近的海域接近旅途结束的时候，帆船的隔板断了，所以他不得不停靠在瓦亚塔港口，直到他的父亲乘飞机赶到为他修理帆船，故选D项。4．Whichofthefollowingwordscanreplacetheunderlinedwordinthesixthparagraph?A．Abandoned.B．Collected.C．Adjusted.D．Devoted.解析A词义猜测题。根据第六段可知，Sunderland在进入墨西哥水域前把那支枪扔了，因为在那里私带枪支是违法的。abandon遗弃，抛弃；collect收集，募捐；adjust调整；devote致力于，奉献，故选A项。Ⅱ.完形填空Downtoearthmeanssomeoneorsomethingthatishonest,practicalandeasytodealwith.Itis__1__tofindsomeonewhoisdowntoearth.Apersonwhoisdowntoearthiseasytotalktoand__2__otherpeopleasequals.Adowntoearthpersonisjustthe__3__ofsomeonewhoactsimportantlyandproudly.Downtoearthpersons__4__beim...