浙江专用2020版高考英语大一轮新优化复习考点强化练33Unit3Underthesea新人教版选修7

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1、Unit3UndertheseaⅠ.阅读理解Rubbishfromtheshippinglanes(航道)frequentlywashesuponUKbeaches.Occasionallydangerouschemicalcontainersappearpromptinglocalbeachcollapses.TheincidentontheEastSussexcoaston27Augustbecameevenmoreserious.AlthoughmediareportsfocusedonthebeachatBirlingG

2、ap,airpollutionmonitors(监视器)tellusthattheaffectedareawasmuchbigger.Anobvioussharpriseinozone(臭氧)wasfoundonEastbourneseafrontat4:45pmandthenabout30minuteslateratLullingtonHeath,8kmtothewestand5kminlandfromBirlingGap—anareaofover40squarekm.Around150peoplereceivedhospit

3、altreatmentbutthesymptoms(症状)variedwiththedifferentconcentration(浓度)ofozonediscovered,suggestingthatthegaswasnotactuallyozoneorthatitwasozoneplussomethingelse.The1986Chernobylnuclearincidentpromptedthedevelopmentofputersystemstoobserveairpollutants.Thesemodelsuseweat

4、hermodelstotracewherethewindtakesthepollutedair.Theycanalsoberunbackwardstoseewhereitcamefrom.Duringtheprevious24hours,thepollutedairhadtraveledfromthemiddleoftheEnglishChannel,andcameashoreeastofEastbourne,thenfloatedwestalongthecoastbeforeheadingouttoseaagain.Theso

5、urcewassomewherealongthispath.Smokesfromtrafficandshipsareunlikelytobethecausesincetheyarepresentallthetimeandsuchanincidenthasneveroccurredbefore.Otherideasincludeleaksfromgoodsonaship.【语篇导读】本文是环保类文章。讲述了来自航运通道的海上垃圾导致了8月27日EastSussex海岸的污染事件,该事件致使150人住院治疗,患者的症状因污染空气中臭

6、氧浓度的不同而不同。有人认为引起此次事故的另一个原因是船上货物的泄漏。1.Whatistheareaoftheplacesinwhichtheairispollutedbytherubbishfromtheshippinglanes?　　　　　　　　　　　　　　　　　　　A.20km2.B.40km2.C.5km2.D.8km2.答案B解析细节理解题。根据第二段第二句中的“Anobvioussharpriseinozone(臭氧)wasfound...—anareaofover40squarekm.”可知,B项“40km2”正确

7、。2.Whatledtothepatients’varioussymptoms?A.Thedifferentconcentrationofozone.B.Toomuchozoneinthepollutedair.C.Therubbishfromtheshippinglanes.D.Thedifferentdistancefromtherubbish.答案A解析细节理解题。根据第三段中的“thesymptoms(症状)variedwiththedifferentconcentration(浓度)ofozonediscovered”

8、可知,A项“不同的臭氧浓度”正确。3.Inwhichwayisthepollutedairobserved?A.Byusingplanestotraceit.B.Bycalculatinghowfarandwideitcantravel.C.Byusingput