2019_2020学年高中英语课时分层作业7（含解析）北师大版选修7

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1、课时分层作业(七)[语言知识练习固基础]单句语法填空1．Iftheyhadinformed(inform)us,wewouldnotcomeherenow.2．Wehadthemachinerepaired(repair)．3．Vegetableoilisdigestible(digest)andmineraloilisnot.4．Heswappedhisoldcarforanewmotorcycle.5．Theyneedtobetolerant(tolerate)ofdifferentpointsofview.6．Somethingsuspiciouswasfoundaf

2、tertheroomwassoughtthrough．7．He'sveryvainof/abouthisabilities.8．Sheseemsverymuchopposedtoyourgoing(go)abroad.9．Theenemyplanesdroppedbombsatrandom.10．Yourattitudeisincontradictiontoyourcharacter.[高考题型练习提能力]Ⅰ.阅读理解Insteadofreachingforthefaketanorheadingforthesun,newresearchsuggeststhebestwayt

3、oobtainahealthyglowistoeatmorefruitandvegetables.“Mostpeoplethinkthebestwaytoimproveskincoloristogetasuntan,butourresearchshowsthateatinglotsoffruitandvegetablesisactuallymoreeffective，”saidDr.IanStephenattheSchoolofPsychology,UniversityofNottingham.Theteamofresearchersfoundthatpeoplewhoea

4、tmoreportionsoffruitandvegetablesperdayhaveamoregoldenskincolor,duetocompoundscalledcarotenoids(类胡萝卜素)．Carotenoidsareantioxidants(抗氧化剂)thathelpabsorbdamagingcompoundsproducedbythestressesandstrainsofeverydayliving,especiallywhenthebodyisfightingdisease.Theyarealsoresponsiblefortheredcolori

5、nginfruitandvegetablessuchascarrotsandtomatoes，andareimportantforourimmuneandreproductivesystems.“Wefoundthat，giventhechoicebetweenskincolorcausedbysuntanandskincolorcausedbycarotenoids,peoplepreferredthecarotenoidskincolor，”saidDr.Stephen.“Thestudyfindingsareimportantastheysuggestthatevol

6、utionfavourspeoplewhochoosetoformallianceswithhealthierindividualsoverunhealthyindividuals，”Dr.Stephenexplained.ProfessorDavidPerrettsaid，“Thisissomethingwesharewithmanyotherspecies.Forexample,thebrightyellowbeaksandfeathersofmanybirdscanbethoughtofassignsshowinghowhealthyamalebirdis.Besid

7、es，femalesofthesespeciesprefertomatewithbrighter，morecoloredmales.Butthisisthefirststudyinwhichthishasbeendemonstratedinhumans.”【语篇解读】　人们通常认为，晒晒太阳有利于改善人的肤色。最近一项研究结果表示，多吃蔬菜和水果更有利于获得健康的肤色。1．Whatdoestheunderlinedword“glow”inParagraph1mean?A．facecolor.B．Slimfigure