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1、双基限时练(四) Unit2 PartⅠⅠ.单句语法填空1．Theprisoner________(struggle)againsttheguard,butcouldn'tescape.答案 struggled2．Thesoldierswerewell________(equip)withweapons(武器)andreadytostart.答案 equipped3．Manygreatevents________(take)placeinthepast.答案 havetook4．Putonahattoprotectyourselff
2、romsunoryou'llget________(sunburn)．答案 sunburnt5．Thenewsofhisdeath________(circulate)alloverthevillage.答案 circulated6．Someoftheviolentscenesinthefilmarevery________(disturb)．答案 disturbing7．Aballoon________(expand)whenyouletairintoit.答案 willexpand8．Thanks________thesucce
3、ssofthebusiness,wecanaffordaflatthisyear.答案 to9．Thegovernmentprovidedcoats,quilts,carpetstotheschooltohelpridthestudents________cold.答案 of10．Theruralpupilsare________(satisfy)withthetextbookswhicharefreeofchargeforthem.答案 satisfied11．Willyouhaveafreeeveningtonight?____
4、____so,let'shaveadinnertogether.答案 If12．Idon'tthink________possibletomasteraforeignlanguagewithoutmuchmemorywork.答案 itⅡ.阅读理解ALetusconsiderwhatwecandoforthefoodproblem.Thesimplewaytoincreasefoodproduction,onemightsuppose,istobringmorelandintofarmlandandputmorepeopletowo
5、rkonit.Butitisprovedinsomedevelopingcountriesthatthiswillbringsomeproblems.Itwillquicklymakethesoilpoorerthereanddestroyforestgrowth.Furthermore,thepeopletherewillalwaysfindtheyneedmorepeopletoworkonthislandtoproducemorefood.Duringthepasttwentyyears,somedevelopingcount
6、rieshaveincreasedalotmorefarmlandintheircountries,buttheirpopulationshaveinthemeantimegrownfaster;thereforetheyarefartherthanbefore.Andtheirfoodincreasehasbeengainedatthecostofusinguptherichlands.Manyofthelandshavebecomepoorlandsandareproducinglessfoodnow.Meanwhile,far
7、minginthedevelopedcountrieshasproducedmorefoodthroughimprovedtechnology.Since1940,farmlandhasbeenreduced7percentintheUnitedStatesbutcereal(谷物)productionhasjumped60percent.Theincreaseinthecornoutput,thankstohybridcorn(杂交玉米),hasbeenevengreater.Thesecretisscientificways,o
8、fcourse.Andcomparedtothedevelopingcountries,thepopulationsindevelopedcountrieshaveincreasedjustalittlelargerthantwent
