单选题 ForestsincountrieslikeBrazilandtheCongogetalotofattentionfromenvironmentalists,anditiseasytoseewhy.SouthAmericaandsub-SaharanAfricaareexperiencingdeforestationonanenormousscale:everyyearalmost5millionhectaresarelost.ButforestsarealsochanginginrichWesterncountries.Theyaregrowinglarger,bothinthesensethattheyoccupymorelandandthatthetreesinthemarebigger.Whatisgoingon?ForestsarespreadinginalmostallWesterncountries,withthefastestgrowthinplacesthathistoricallyhadratherfewtrees.In199028%ofSpainwasforested;nowtheproportionis37%.InbothGreeceandItaly,thegrowthwasfrom26%to32%overthesameperiod.ForestsaregraduallytakingmorelandinAmericaandAustralia.PerhapsmostastonishingisthetrendinIreland.Roughly1%ofthatcountrywasforestedwhenitbecameindependentin1922.Nowforestscover11%oftheland,andthegovernmentwantstopushtheproportionto18%bythe2040s.Twothingsarefertilisingthisgrowth.Thefirstistheabandonmentoffarmland,especiallyinhigh,dryplaceswherenothinggrowsterriblywell.Whenfarmersgiveuptryingtoearnalivingfromfarmingorherding,treessimplymovein.Thesecondisgovernmentpolicyandsubsidy.Throughouthistory,governmentshaveprotectedandpromotedforestsfordiversereasons,rangingfromtheneedforwoodenwarshipstoadesiretopromotesuburbanhouse-building.Nowadaysforestsareincreasinglywelcomebecausetheysuckincarbonpollutionfromtheair.Thejustificationschange;thedesireformoretreesremainsconstant.ThegreeningoftheWestdoesnotdelighteveryone.Farmerscomplainthatlandisbeingtakenoutofusebygenerouslysubsidisedtreeplantations.PartsofSpainandPortugalsufferfromterribleforestfires.Otherssimplydisliketheappearanceofforestsplantedinneatrows.Theywillhavetogetusedtothetrees,however.ThegrowthofWesternforestsseemsalmostasunstoppableasdeforestationelsewhere.问:Whatiscatchingenvironmentalists’attentionnowadays?
【正确答案】 B
【答案解析】细节辨认题。定位句指出,巴西和刚果等国的森林受到了环境保护主义者的广泛关注,原因很容易理解。随后进一步指出原因是南美洲和撒哈拉以南的非洲正经历着大规模的森林砍伐。由此可知,这些发展中国家的森林面积在迅速减少,故答案为B)。