Unit5ADelicateWorldUnderstandingIdeas知识清单-高中英语选择性

Unit5AdelicateworldDelicate1)easilydestroyedorbroken=fragileFine精致的MaquarieIsland:fromchaostoconservationChaos:混乱Conservation保护（环境）【sym】protection;preservation词根V.conserve节省；保护conservative保守的Para.1SculptsculpturesculptorHeritageThegreengrassandbarerockofitslandscapecontrastdramatically,givingitawildandnaturalbeauty.Norwouldtheyfailtoimaginehowitsnativeinhabitants,including...,existedinperfectharmonywiththeirnaturalhabitatforthousandsofyears.naturalhabit自然栖息地Para.2unknowinglytakeover拓展：Takein吸收；欺骗；理解Subsequentlydevelopanappetitefor…[sym]developatastefor…;developaninterestin…;拓展:developthehabitof…Para.3BeintroducedtoasourceoffoodLoose(不受约束的)ontheisland,theydidwhatrabbitsdobest–theymultipliedrapidly(迅速繁殖)andbeganeatingthenativevegetation(植被)anddigging(dig)holes,whichcausedsoilerosion(土壤侵蚀).在岛上自由自在，它们做了兔子最擅长的事——它们迅速繁殖，开始吃当地的植被，挖洞，这导致了土壤侵蚀。Looseadj./v.Multiplyv.→multipleadj.词缀：multi多eg.MultimediaDigdugdugdiggingErodev.→erosionExplode→explosion→explosiveadj.Provideplentifulfoodfor;plentifuladj.→plentyn.Inturn反过来BenativetoDieoutv.拓展：adj.extinctPara.4OfficialnaturereserveRemainoutofcontrol保持失控状态Expertsfeltitnecessarytoeupwithaplantoremovealltherabbitsfromtheisland.Withthisgoalinmind,aviruswasreleasedontotheisland.Decrease....from...to从...减少到拓展：词缀de相反的eg.DeforestationInconsequence结果=asaresult/consequentlyTurnone’sattentionbackto把注意力转回

Para.5Asthesayinggoes,“whilethecat’saway,themicewillplay.”Withthedepartureof随着……的离开Departuredepart=leave拓展departuretimeItturnedoutthat...Healsosawhundredsofdelightedstudentswhohadturnedouttowelehim.Thewellchangedtheworld.developanimmunitytoasubstantialnumberofcollapseThisincidentmadeitclearthat(使……明确/清楚)therat,mouseandrabbitproblemneededsolving(solve)onceandforall.(forgood)这一事件表明，大鼠、老鼠和兔子的问题需要一劳永逸地解决Para.6ParticipateinTackleaproblemRemaininginvadingspeciesInterventionOweittosth./sbtodo;Owesth.sb.=owesth.tosb;owingtoPestfree拓展：free没有