冰岛火山灰席卷欧洲-论文.pdf

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1、阅读理解lcelandVolcanichCloudov6rEurope“EuropeansshouldtrytostayindoorsifashfromIce—land’svolcanostartssettling，”theWorldHealthOrganiza—tionwarnedassmallamountsofashfellinIceland．Scot—landandNorway．WHOspokesmanDanielEpsteinsaidthemicroscopicashispotentiallydangerousforpeoplew

2、henitstartstoreachtheEarthbecauseinhaledparticles(微小颗粒)canen—tertheIungsandcauserespiratory(呼吸系统的)problems．AndhealsosaidEuropeanswhogooutsidemightwanttoconsiderwearingamask．Otherexperts，howeverweren’tconvincedthevolcanicashwouldhaveamajoreffectonpeo—Dles’healthandsaidWHO’

3、swarningswere“hysterical”．Theysaidvolcanicashwasmuchlessdangerousthancigarettesmokeorpollution．Volcanicashismadeoffineparticlesoffragmented(碎片的)volcanicrock．Itislightgraytoblackandcanbeasfineastalcumpowder．Duringavolcaniceruption，theashcanbebreatheddeepintothelungsandcaus

4、eirritationeveninhealthypeople．Butonceitfallsfromagreaterdistance-likefromthecloudcurrentlyhoveringaboveEurope-itshealthefectsareoftenminima1．“Notallparticlesarecreatedequal”saidKenDonaldson，aprofessorofrespiratorytoxicolo—gYattheUniversityofEdinburgh，“Inthegreatschemeoft

5、hings，volcanicashisnotallthatharmfu1．”AndhesaidmostEuropeans’exposuretovolcanicashwouldbenegligibleandthaton—lythoseintheneardistrictsoftheIcelandicvolcanowouldlikelybeatrisk．Dr．StephenSpiro，aprofessorofrespiratorymedicineanddeputychairoftheBritishLungFoundation。saidthefu

6、rthertheparticlestravelthelessdangeroustheywillbe．“ThecloudhasalreadvDassedovernorthernScotlandandwehaven’theardofanyilleffectsthere，”hesaid．Spir0saidt0wearmasksorstayindoorstoavoidvolcanicashwas“overthetop”and“abithysterical”．阅读短文后，从每题所给的四个选项(A、B、C和D)中，选出最佳选项。1．Thetextis

7、mainlyaboutA．theefkctofvolcanicashB．thehealthriskofvolcanicashC．thedisadvantagesofvolcanicashD．theopinionsonhealthriskofvolcanicash2．WhichoneistrueaccordingtoParagraph37A．Thevolcanicash’seffectsonEuropeanswerelittle．B．Theashcausedirritationeveninhealthypeople．C．Otherexper

8、tsthoughtWTO’swarningswereusefu1．D．Thevolcanicashwasmoredangerousthancigarettesmokeorpollution．3