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LONDON:Ifyoubelievetheorganic(有机物的)saladyoujustatewasgoodforyouandfortheenvironment,thinkagain.Chancesareitsingredients(配料)flewhalfwayacrosstheworld,pollutingtheairandburningmoreenergythanwassavedingrowingthem.Environmentalistgroupssaythatbyeatingtomatoesandlettuce(莴苣)fromNewZealandandZambia,consumersareeffectivelyeatingoilbe-causeofthevastamountsofenergyspentintrans-portingthem.AndBritainisamongtheworstcul-prits(罪犯)becauseitimportsmorethanthree-quartersofitsorganicfoodneeds.“Mo… 相似文献
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LONDON——Sheep, like turkeys and ostriches, are not considered the most clever animals. But British scientists said lastWednesday humans may have underestimated (低估)the woolly creatures. They could be much smarter than we think. 相似文献
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Althoughtherearenostate-controlledsurvivalcourses(生存课程)inBritainortheUnitedStates,therearevariousindependentorganizationsofferingsimilaractivities.Studentscanparticipateinoutdoortrainingcoursesthroughuniversityclubsandsocieties.Anyonecanregister(登记)withsuchgroups,whichthenorganizecourses,trainingandtripsforallmembers.OneofthemostpopularoutdoortrainingprogrammesinboththeUSandBritain,isOutwardBound(往国外).Itwasfoundedin1941inWalesandattractshundredsofthousandsofadventurouspeopleeveryy… 相似文献
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WASHINGTON—Laura Straub is a very worried woman. Her job is to find families for French teenagers who expect to live with American families in the summer. It's not easy, even desperate. "We have many children left to place: 40 out of 75, " said Straub, who works for a Paris-based foreign-exchange programme called LEC. When exchange programmes started 50 years ago, family life was more accommodating. For one thing, more mothers stayed home. But now, increasing numbers of women work outside the home. Exchange-student programmes have struggled in recent years to sign up host fami- 相似文献
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LONDON:Whatcouldpossiblybewrongwithplantingtrees?Thebenefitsareobvious:theyfirmthesoil,soakupextrawaterandtakecarbondioxide(二氧化碳)outoftheatmosphere.However,itnowturnsoutthatplantingtreescouldaddtoglobalwarming.Treerootsdoagreatjobofkeepingsoilfirmonthegroundandoutofthewindspower.Theproblemisthatsomeofthosedustcloudsplayanimportantpartinsoakingupcarbondioxide.Hugeduststormsblowoutovertheo-ceansfromdrypartsofNorthAfricaandcentralAsia.Tonsofdustisliftedandleftasathinfilmovertheoceansurfa… 相似文献
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听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你都有10秒钟的时间来回答有关小题或阅读下一小题。每段对话仅读一遍。 相似文献
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It is very possible for a person with a disability to get a job． 相似文献
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WASHINGTON-Laura Straub is a very worried woman. Her job is to find families for French teenagers who expect to live with American families in the summer. 相似文献
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Every autumn, as families across the United States get ready to send their kids off to college, the economics of higher education receive renewed attention. College is expensive and becoming more so in the US.The situation raises two questions: Why does it cost so much, and how can students and their families afford it?Several studies published in the past few weeks reflect on these questions. The findings provide comfort to poor families. 相似文献