2020版高中英语 Module 2 Traffic Jam Section Ⅲ Integrating Skills & Cultural Corner 课时作业 6 外研版必修4.doc

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1、课时作业(六)　Module2　SectionⅢIntegratingSkills&CulturalCornerⅠ.用括号内所给单词的适当形式填空1．Perhapseconomyisthesolution(solve)toyourfinancialtroubles.2．Idon'tlikethewayyouusedmybicyclewithoutmypermission(permit)．3．ThearrivalceremonyforguestsattheWhiteHouseissimplebutimpressive(impress)．4．You'llrisklow

2、ergradesinothersubjectsbecauseyoudidn'tuseyourlimited(limit)timetostudythem.5．Anastronautexploringanunknownplanetcoulddoatleastpartofhisexploration(explore)withoutleavinghisspacecraft.6．The10,000metrelonghighwaywasconstructed(construction)in1996.7．Sheisaneasygoinggirl，butsometimesshec

3、anbemoody(mood)．8．Thereweremanyclothesandfoodprovided(provide)forthehomelessbythelocalgovernment.9．What'syourparents'reaction(react)toyourrecentbadbehaviour?Ⅱ.阅读理解Windbreaks(防风林)arebarriersformedbytreesandotherplants.Farmersplantthesebarriersaroundtheirfields,whichhelppreventthelossof

4、soilandstopthewindfromblowingsoilaway.Theyalsokeepthewindfromdamagingordestroyingcrops.Besides,extratreesandplantscanbecutdownandusedorsoldforwood.Windbreakscanbehighlyvaluableforprotectinggraincrops.Forexample,inpartsofWestAfricagrainharvestswereasmuchastwentypercenthigherinfieldspro

5、tectedbywindbreakscomparedtofieldswithoutthem.Buthereissomethinginterestingaboutwindbreaks.Theyseemtoworkbestwhentheyallowsomewindtopassthroughthebarrieroftreesorplantsaroundafield.Ifnot,thenthemovementofairclosetothegroundwillliftthesoil.Thenthesoilwillbeblownaway.Forthisreason,awind

6、breakworksbestifitcontainsonly60to80percentofthetreesandplantsthatwouldbeneededtomakeasolidline.Aneasyruletorememberisthatwindbreakscanprotectareasupto10timestheheightofthetallesttreesinthewindbreak.Thereshouldbeatleasttwolinesineachwindbreak.Onelineshouldbelarge-7-trees.Thesecondline

7、,rightnexttoit,canbeshortertreesorotherplantswithleaves.Locallygrowntreesandplantsareconsideredthebestchoicesforwindbreaks.Treesreducethedamagingeffectsofwindandrain.Theirrootshelpprotectsoilfrombeingwashedaway.Andtreescanprovideanimalsoutdoorswithshadefromthesun.【语篇解读】　保护土壤的一个办法就是使用防

8、风林，防风