2019年高考英语一轮复习Unit4Astronomythescienceofthestars分层演练直击高考新人教版必修3

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1、Unit4Astronomythescienceofthestars阅读理解GotbigplansforFridaynight?That’sOK,wedon’teither.Guesswe’llallhavetomakedobywatchingthecelestial(天空的)showthatwilltakeplacethatnight.First,therewillbeafullmoon.That’salwaysfun,butthisonewillbealittlemorespecial.It’sknownasa“snowmoon”.Thenameesfromthefac

2、tthattheheaviestsnowsusuallyfallduringFebruary,accordingtoTheOldFarmer’sAlmanac.Butifthat’snotspecialenough,there’salsoaneclipse(月食)thatnight.It’llbeapenumbrallunareclipse,meaningit’sapartialeclipsethatleavessectionsofthemoondarkenedbytheearth’sshadow.No,itwon’tbeasspectacularasthose“blood

3、moon”eclipses.It’llbesubtler.Thelevelofdarknessitreachesduringtheeclipsemayormaynotbeapparent；itjustdependsonwhereyouarewhenyouviewit.InNorthAmerica,theeclipsebeginsat5：34p．m.ETandendsat9：53p．m.ET,accordingtotheastronomywebsiteEarthSky.Theeclipsewillbeatitsheightaround7：44p．m.ET.Ifthat’sst

4、illnotenough,let’sthrowinaet(彗星)tothenight’sfestivities.et45P(ithasamuchlongername,butwewon’tburdenyouwithithere)isvisibleasitfliesbytheearth.Theetwillgetwithin7.4millionmilesoftheplanetasitmakesitsclosestapproachthisweekend,accordingtoUniverseToday.et45Pwillbemostvisibleacoupleofhoursafte

5、rtheeclipse,solooktotheskiesagainaround3a．m.ETSaturdayandfindthegreenishbluelightwithatail.Anddon’tforget,atotalbigtimesolareclipsewillstreakacrosstheUnitedStatesonAugust21st.【解题导语】　本文是说明文，介绍了星期五晚上将会发生的天文现象。1．Accordingtothetext,whatcanbeviewedonFridaynight?A．Abloodmoon.　　　　B．Atotalsolarecl

6、ipse.C．Apartiallunareclipse.D．Aetwithoutatail.C　解析：细节理解题。根据第四段第二句可知，星期五晚上将会出现月偏食，故选C项。2．Ifyouwanttoseeet45P,youwillneedto．A．waitaround7：44p．m.ETB．stayupuntil9：53p．m.ETC．wakeupbefore3：00a．m.ETD．startwatchingat5：34p．m.ETC　解析：细节理解题。根据倒数第二段中的“solooktotheskiesagainaround3a．m.ETSaturday”可知，要想看到4

7、5P彗星，你需要在凌晨三点之前起床。3．Theauthorwritesthetextwiththepurposeof．A．introducingbasicastronomytothemediaB．sharingnewdiscoverieswithastronomyresearchersC．promotingastronomicaleventsamongsciencestudentsD．informingaveragereadersofrecentcelestialphenomenaD　解析：写作意图题。通读全文可知