（新教材）人教版英语必修第一册学案Unit4NaturalDisastersPeriodⅥProjectVideoTimeWord版含答案.docx

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1、Period VlProject & Video Time话题词汇1. harmonyn.和谐2. lackn.缺乏3. sourcen.来源；起源，根源4. habitatn.栖息地5. threatenv.威胁6. severeadj.严峻的7. atmospheren大气; 气氛8. challengingadj.具有挑战性的9. decrease/declinev减少,变|、10. . disappearancen .消 失11. terrifyv.恐吓；使恐怖12. extinction。灭绝13. preserver保护；保持，保存14. . punishmentn惩 罚15. r

2、esponsibilityn.责任, 职责16. donate, to向捐赠17. economiclosses 经济损失18. . cometoone*srescue 前来救某人19. takeonanewlook 呈现新面貌20. earthquakerelief 抗震救灾话题句型1 .rdappreciateit(=Itcouldnbebetter)ifyoucouldtakemytipsintoaccount/considerationandldohopethatyournewspaperwillmakeadifferenc etoenvironmentalprotection.如果你

3、们考虑我的建议我将感激不尽，我非常希望你们的报纸对环境保护有意义。2 .Nowadays,withthedevelopmentofeconomy，manycitiesarefacedwithseriousenvironmentalproblems, whichdoesgreatharmtopeoplehealth.现在，随着经济的发展，许多城市面临着严重的环境问题，这对人们的健康十分有害。3 . Itshigh/abouttimethatwepaidmuchattentiontoprotectingourenvironment.到了我们应该高度重视保护我们的环境的时候了。4 .Ibelieve

4、ifeveryonedoeshisbittoprotectthewetlands,thewetlandsaresuretobewellpreservedandwecanenjoyamoreharmoniousenvironment.我相信如果每个人都致力于保护湿地，那么湿地就能得到很好的保护，我们能够享受更 加和谐的环境。5 .Facedwiththisseveresituation,wcarcsupposcdtoraiscthcawarcncssofcnvironmcntalprotcction.面对这种恶劣的情况，我们应该提高环境保护的意识。话题时文Comparedwithothercau

5、sesofnaturaldisasters, volcanoesoffercluesonlywhentheyareabouttoerupt.Now,however,developmentsinmonitoringsystemshaveallowedscientiststodevelopsensors( 感 应 器) todetectandforecasteruptionsmoreaccurately.UniversityofCambridgevolcanologistMarieEdmondssaysthatscientistsarenowabletouseveryac curatesensor

6、stomonitorthegasesvolcanoesgiveout, whichcangivecluesonthelocationofthemagma(s, 浆).Thesensorshelpwithpredictionbecausedifferentgasesarereleasedatdifferentstagesofaneruption. Whenmagmarises,pressureisreleasedalongwithgases.Carbondioxide(CO2)isreleasedearlyonandthen,asthemagmagoeshigher,sulphurdioxide

7、(SO2)isreleased.Theratioofthetwogasesisusedtodetectthelocationofmagmatothesurface, tellingresearchersthecomingoftheeruption.EdmondsisconnectedtoaninternationalgroupknownastheDeepCarbonObservatorythathaswork edtoputnewgassensorsonfifteenofthemostactiveanddangerousvolcanoestoimprovetheforecastingof va

8、rioustypesoferuptions.Thegassensorscontinuallymeasurewatervapor,sulphurdioxide,andcarbondioxide.Theyareplacedinsidelargeboxeswiththesurfaceantennaeandburiedunderground.A dvancesinelectronicshaveincreasedtheiraccuracyandloweredtheircost, allowingmoreofthemtobeusedworldwide.Puttingthesesensorsatopacti

9、vevolcanoesisdangerous.Scientistswearreflectivesuitsthatprotecta gainstheat, plusgasmasksforprotectionfromdangerousgases.Theysometimeshikelongdistancesinremoteareastor eachasite.However,accordingtoEdmonds,theworktheydotosavepeopleslivesmakesadangerousjobworthit.Sheenjoysdoingsomethingthathelps people.EdmondseamhasalsoattachedsensorstoacertainplanetomeasuregasesreleasedfromaPapuaNew Guineavolcanoforashorttime, atechniquedevelopedtogathefsnapshotsoftheactivity.Thesesnapshotshelpresearcherstobetterunde rstandactivitiesthatleadtoeruptions.温馨说明：课后请完成单元素养检测卷(五)