高中英语 module 6 unexplained mysteries of the natural world课时跟踪练（一）introduction & reading-pre-reading 外研版必修4

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1、Module6课时跟踪练（一)Introduction&Reading—Pre-readingⅠ.阅读理解ATherearesomeunusualthingslivingintheworld'soceans:a“city”madeupoftensofmillionsofrelativesofstarfishlivingonthepeakofaseamount,orunderwaterpeaknorthoftheAntarcticCircle;ahuge,16inchlongbyonequarterinchwidemollusk(软体动物),Chaetodermafelderi,discover

2、eddeepintheGulfofMexiconearLouisiana;andenormousbacteria(细菌)intheeasternSouthPacificthatmayhelpcleanpollutedoceanfloors.Thosearejustsomeofthe5,300newoceanspeciesthatscientistshaveidentifiedsofar.Thefindingsareageneralsituationofaquaticlife.Scientistsestimatethatthenumberofseacreatureswillcomeinaroun

3、d230,000.Some2,000scientistsfrom82countriesareworkingontheproject,whichwilleventuallycollectDNA“barcodes”formanyofthem,estimatesofchangesintheirpopulationsandhowtheyfitintothefoodchain,andWebpageswiththeEncyclopediaofLife,aprojecttoputinformationaboutallknownspeciesonline.Anotherstrikingfindingisa“w

4、hitesharkcafe”—agatheringofwhitesharksmidwaybetweenCaliforniaandHawaii.InaMarchinterviewwithCBCRadioOne,marinescientistBarbaraBlockspeculated(推测)thatthesharksaremeetingtheretoeatandsocialise.Astheresearchgoeson,notonlydoscientistshaveabetterpictureofthedistribution(分布)oftheanimalsthatstayinplace,the

5、yarealsoapproachingaglobalpictureofthemovementsofanimals.语篇解读：本文介绍了海底的情况，涉及科学家对海洋生物的研究。1．Whichofthefollowingmaymakethepollutedoceanfloorclean?A．Starfish.　　　　　　　　B．Mollusk.C．Bacteria.D．Sharks.解析：选C　细节理解题。根据第一段可知，细菌可能对海底有清洁作用。2．Theunderlinedword“aquatic”inParagraph2probablymeans________.A．oceanicB．ima

6、ginativeC．variousD．newlyfound解析：选A　词义猜测题。全文涉及的都是科学家对海洋生物的研究，因此此处也是指海洋生物的普遍情况。非常感谢上级领导对我的信任，这次安排我向股份公司述职，既是对我履行职责的监督，也是对我个人的关心和爱护，更是对**百联东方商厦有限公司工作的高度重视和支持。3．Wecanlearnfromthepassagethatthescientistsareworkingon________.A．thedesignofthenewWebpagesB．thechangeofthefoodchainC．thefeedingofwhitesharksD．th

7、ecollectionofDNAbarcodes解析：选D　细节理解题。第三段说明，收集海洋动物的条码是科学家的工作内容之一。4．Whatmaybethescientists'finalgoal?A．Tofindnewoceanspecies.B．Tolearnthemovementsofwhitesharks.C．Todrawapictureofthedistributionofwhitesha