Unit+5+A+delicate+world+单元知识点巩固 高中英语外研版（2019）选择性必修第二册

基础知识UNIT5Adelicateworld1.habitat

n.栖息地2.appetite

n.胃口，食欲3.chaos

n.大混乱；紊乱4.virus

n.病毒5.decrease

v.(使)减少；(使)变小6.trap

n.夹子，陷阱7.collapse

v.倒坍；塌下Ⅰ重点词汇8.substantial adj.大量的，多的9.incident

n.事件10.owe

v.应该做；对……负有……的义务11.nutrient

n.养分，营养物12.worm

n.蠕虫；(昆虫的)幼虫13.visual

adj.视觉的14.session

n.一段时间15.vast adj.巨大的；广大的16.elsewhere

adv.在别处语境助记TherewasanislandinthehalfwaybetweenAntarcticaandAustralia，whichwasahabitatformanyanimals，suchas

rats，parakeetsandsoon.However，becauseofhuman’sintervention，everythingontheislandwasputintochaos.Humaninterventionledtotheerosionoftheisland，withavirusspreadingoutofcontrol.Thevirusdestroyedtheimmunityofwildanimals.Humansalsosettrapsandkilledmanyinhabitants.What’smore，humanbeingsbroughtcatsandsheeptotheisland，causinggreatdamagetothevegetation，makingsubstantialvegetation

disappeared.Theincidents

showedthatitwashumanactivitythatmadetheplaceunderthreat.Thenthegovernmenttookactiontoprotecttheecologyandkeepthebiologicalbalance.Alltheeffortswererewarding.Theislandbegantobreatheagain，andtheislandthenbecameaHeritageSite.1.dramaticallyadv.显著地→dramaticadj.戏剧性的；突然的→draman.戏剧2.subsequentlyadv.后来，随后→subsequentadj.随后的；后来的3.conservationn.保护→conservev.保护；保存；保藏→conservativeadj.保守的；守旧的Ⅱ

拓展词汇4.multiplyv.(使)大大增加，(使)倍增→multipleadj.多种多样的5.departuren.离开→departv.离开；出发6.explodev.突然增加→explosionn.爆炸；激增→explosiveadj.易爆炸的，可能引起爆炸的；突增的，猛增的，

激增的7.interventionn.干预，介入→intervenev.干预8.ecologyn.生态→ecologicaladj.生态的→ecologistn.生态学家9.comparisonn.比较→comparev.比较10.mysteriousadj.神秘的→mysteryn.奥秘；神秘11.criterionn.标准，准则→criterian.(复数)标准；准则12.rareadj.稀有的，罕见的→rarelyadv.罕有；很少；不常13.prosperv.兴旺，发达→prosperousadj.繁荣的，兴旺的，成功的→prosperityn.兴旺，繁荣，成功，昌盛14.biologicaladj.生物的，与生物有关的→biologyn.生物学→biologistn.生物学家15.apparentlyadv.据说；看来，似乎→apparentadj.显而易见的16.variationn.差异；变化→varyvi.变化→varietyn.品种；种类；变化→variousadj.不同的，各种各样的17.endangeredadj.濒临灭绝的→endangerv.危及；使……处于危险→dangern.危险→dangerousadj.危险的18.secureadj.稳固的；安全的→securityn.安全19.greetingn.问候，招呼→greetv.欢迎；打招呼语境助记1.Somenaturalmysteriesoftheancienttimesarestillmysterioustopeopletoday.2.HehadplannedtodepartonFriday，butthebadweatherdelayedhisdeparture.3.Apartfromthemildclimate，theethnicmusicalsocontributestotheprosperoustourismandtheeconomicprosperity.4.Bycomparison，livinginatowncan’tcomparewithlivinginthecountryinmanyrespects.1.failtodosth.

未做到某事2.inharmonywith 与……协调，与……一致，与……和睦相处3.developanappetitefor 对……产生兴趣4.beintroducedto 被引进到……，被介绍给……5.outofcontrol 失去控制6.takeover

接管；控制7.dieout

灭绝Ⅲ核心短语8.inconsequence

结果，因此9.remove...from... 把……从……移走10.decreasefrom...to... 从……减少到……11.onbehalfof 代表12.turnout 原来是，结果发现13.asubstantialnumberof 大量的14.onceandforall 一劳永逸15.owe...to... 把……归功于；欠……16.coexistwith 和……共存；与……共处17.everylast 每一个；全部18.feedon (动物)以……为食19.breakdown (使)分解；出故障；坏掉；消除20.beresponsiblefor

为……负责21.thanksto

多亏；由于22.relyon/upon

依靠23.resultin

导致24.avarietyof 各种各样的25.inreturn

作为回报短语块记第一组

(turn短语)turnup调大(音量等)；出现turndown调小(音量等)；拒绝turnin上交

turnto向……求助；转向；致力于；翻到；查阅第二组

(feed短语)feed...to...把……喂给……feed...on/with...用……喂