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1、1WhatWeTakefromandGivetotheSeaAslongaswehavebeenonearth,wehaveusedtheseaaroundus.Wetakefromtheocean,andwegivetoit.Wetakefishesfromtheocean~millionsofkilogramsoffish,everyyear,tofeedmillionsofpeople.(1)Wetakemineralsfromtheocean.Onewaytogetsaltistoplaceseawaterinashallowbasinandleaveituntilit
2、evaporates.(2)Muchgoldandsilverdriftdissolvedinthewatersofthesea,too1.Buttheseadoesnotgivethemupbysimpleevaporation.Othergiftsfromtheseaarepearls,spongesandseaweed.Pearlsbecomejewelry.(3)Seaweedbecomesfoodofmanykinds一evencandy,andicecream—aswellasmedicine.Believeitornot,freshwaterisanothergi
3、ftfromthesea.Wecannotdrinkoceanwater.(4)Butoceanwaterbecomesfreshwaterwhenthesaltsareremoved.Inthefuture，wewillfindourselvesdependingmoreandmoreonfreshwaterfromthesea.Theseagivesusfood,fertilizer,minerals,water,andothergifts.Whatdowegivethesea?Garbage.(5)Hugeasitis,theoceancannotholdallthewa
4、terthatwepourintoit.Dumpinggarbageintotheoceaniskillingoffsealife2.Yetastheworldpopulationgrows,wemayneedtheseaanditsgiftsmorethanever.Wearefinallylearningthatifwedestroyourseas,wemightalsodestroyourselves.Hopefully,itisnottoolate.词汇：fertilizer/丨f3:tilaizs/n.化月巴evaporate/i丨vaepreit/v.蒸发spong
5、e/spDnd3/n.海绵seaweed/'si:wi:d/n.海萆garbage/丨ga:beid3/n.垃圾注释：Muchgoldandsilverdriftdissolvedinthewatersofthesea,too.还有不少金和银的漂流物溶解在海水里。Dumpinggarbageintotheoceaniskillingoffsealife.把垃圾往大海里倾倒就是在把海洋生物杀绝灭尽。练习：ANaturalspongesbecomecleaningaids.BWepollutetheoceanwhenweuseitasagarbagedump.CTheareaoft
6、heseaisbecomingsmallerandsmaller.DAlongwithsalt,othermineralsareleftafterevaporation.EWeevenusetheirbonesforfertilizer.FSomeofitscontentsmaycauseillness.答案与题解：E前面二句讲了我们从大海捕捉大量的鱼供人们食用，这句接着讲“甚至连鱼的骨头也被用来做化肥”。Even这个词在这里清楚地表示了这两句话的关系。D这句话的前一句讲的是我们可以通过水的蒸发从海水中得到一种矿物质——盐，这句话则说除了盐之外，水蒸发以后还有别的矿物质留下来。
7、A前面讲到除了矿物质外，大海还给了我们珍珠、海绵和海草这三样东西。接着作者分别用一句话来说明每一样东西的昂途。先讲了珍珠,最后讲的是海草，所以这中间的一句应该是讲海绵的用途了oF前一句话说了^们不能喝海水，这句话解释了为什么不能喝，很自然。丨B前面一句话用garbage—词有力地回答了“我们给予大海什么”这个带有自责性的问题，这句话则是对这个简单回答的具体解释。译文：论我们给予大海的以及向大海索取的自我们在地球上生活乏始，我们就开始利用环绕着陆地的海洋。我们向海洋索取的同时也在给予oi们从海
