题目内容：
请根据以下内容回答1-5题ConservationorWastedEffort?
Theblackrobin(旅鸫)isoneoftheworld'srarestbirds.Itisasmall,wildbird,anditlivesonlyontheislandofLittleMangere,offthecoastofNewZealand.In1967therewereaboutfiftyblackrobinsthere;in1977therewerefewerthanten.1Energeticstepsarebeingtakentopreservetheblackrobin.2Theideaistobuyan-otherislandnearbyasaspecialhome,a“reserve”,forthreatenedwildlife,includingblackrobins.TheorganizerssaythatLittleMangereshouldthenberestocked(重新准备)withtherobin'sfood.ThousandsoftherequiredplantsareatpresentbeingcultivatedinNewZealand.
Isallthisconcernawasteofhumaneffort?3Arewelosingoursenseofwhatisreasonableandwhatisunreasonable?
Intheearth'slong,longpasthundredsofkindsofcreatureshaveevolved,risentoadegreeofsuccessanddiedout.Inthelong,longfuturetherewillbemanynewanddifferentformsoflife.Thosecreaturesthatadaptthemselvessuccessfullytowhattheearthofferswillsurviveforalongtime.4Thisisnature'sprovenmethodofoperation.
Theruleofselection“thesurvivalofthefittest”istheonebywhichhumanbeingshavethemselvesarrivedonthescene.We,beingoneofthemostadaptablecreaturestheearthhasyetproduced,maylastlongerthanmost,5Youmaytakeitasanotherrulethatwhen,atlast,humanbeingsshowsignsofdyingout,noothercreaturewillextendapaw(爪)topostponeourdeparture.Onthecontrary,wewillbehurriedout.
Lifeseemstohavegrowntootoughforblackrobins.Ileaveyoutojudgewhetherweshouldtrytodoanythingaboutit.
(1-5题共用以下备选答案)
A Somecreatures,certainsmallanimals,insectsandbirds,willalmostcertainlyoutlast(比……长久)man,fortheyseemevenmoreadaptable.
B Thosethatfailtomeetthechallengeswilldisappearearly.
C Detailedstudiesaregoingon,andapublicappealformoneyhasbeenmade.
D Bothrepresentordersintheclassificationoflife.
E Isitanybusinessofourswhethertheblackrobinsurvivesordiesout?
F Thesearetheonlyblackrobinsleftintheworld.
1.__________
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