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ID:38182391
大小:31.50 KB
页数:3页
时间:2019-05-24
《听写练习第30》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、听写练习第30Now,you'vebeenreadingarticlesaboutthetremendousdamagedonetolifeandpropertybyearthquakes.That'swhy______havebeenworkingsohardtodevelopmethodsofearthquake______.Wecannowpredictearthquake[assertively]fairlywell,butthepredictionsonlylocatepotential
2、areasofdanger.Theydon'tpredictthespecifictimeandlocationatwhichanearthquakeislikelytooccur.TodayIwanttointroducetoyouthreepredictionmodelsthathavebeendeveloped.Thefirstpredictionmodellooksalongearthquakefawlts,those______intheEarth's______,tofindwhata
3、reknownasseismicgaps.Seismicgapsareplaceswherethe______hasshownlittleorno______activityforalongtime.Thistheory______thatsuchplacesaredueforamajorshock.Thesecondmodelreliesonphenomena---likegroundflit.Usinglong______tubescontainingwater,observersnotedt
4、hatgroundtilttendedtooccurbeforemajorearthquakes.ThatledthemtocorrectlypredictthebigHaicheng[HICHUNG]quakeof1975---thefirstsuccessfulearthquakepredictionscientistshaveevermade.Amillionpeoplewere______fromthatChinesecitybeforetheearthquakestruck.Unfort
5、unately,thismethodhasn'tworked______,sowecan'tsayit'sbeenperfected.Thethirdmodelisbasedonthetheorythatmajorearthquakescloselyfollowaseriesofminorones.Startingwiththemeasurementsandtimingofthesmallerquakes,acomplex______calculatesthe"timesofincreasedpr
6、obability"ofamuchlargerquake.Rightnow,thismethod,likethefirstmethod,cannotpredictspecifictimesandplaces,butthatmaychangeasitisfurtherdeveloped.Forthemoment,noneofthesemodelscanpredictwithreasonablelevelsofconfidence.【填空答案】1.seismologist:n.[C]地震学家2.pre
7、diction:n.[C]预测,预报3.crack:n.[C]裂缝4.crust:n.[C]外壳5.fault:n.[C]断层6.seismic:adj.地震的7.postulate:v.假定8.cylindrical:adj.圆柱的9.evacuate:v.疏散10.consistently:adv.一贯地,一向,始终如一地11.formula:n.公式,规则【听力原文】Now,you'vebeenreadingarticlesaboutthetremendousdamagedonetolife
8、andpropertybyearthquakes.That'swhyseismologistshavebeenworkingsohardtodevelopmethodsofearthquakeprediction.Wecannowpredictearthquake[assertively]fairlywell,butthepredictionsonlylocatepotentialareasofdanger.Theydon'tpredictthespecifictimeandloc
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