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1、精品好文档，推荐学习交流2.几种电流周围的磁场分布类型直线电流环形电流通电螺线管特点无磁极、非匀强且距导线越远处磁场越弱两侧等效为小磁针的N极和S极,且离圆环中心越远,磁场越弱与条形磁铁的磁场相似,管内为匀强磁场,管外为非匀强磁场安培定则立体图纵截面图Passage1【2020.4.24湖丽衢模拟考】MeiMeifrownedasshehelpedhermotherandfathersetoutthecookingsuppliesintheshinysteelkitchen.HerfamilyhadjustmovedherefromSanFrancisco,havi
2、ngboughtasmallrestaurant,whichwassettoopeninthenextfewdays.“Movingherewasastupididea.IhavelostallmyfriendsinSanFrancisco.WhatshouldIdo仅供学习与交流，如有侵权请联系网站删除谢谢2精品好文档，推荐学习交流now?”MeiMeigrumbled,mostlytoherself.“What’sthat?"Hermotherasked,openingaboxandliftingoutseveralpotsandawok.“Nothing,"M
3、eiMeimumbled.Thegirlhadbeencomplainingaboutthemove,butherparentshadmadethedecisionandwerenowtoobusygettingreadyforthegrandopeningtolistentohercomplaints.Thefirstfewdaysathernewschoolhadn'tbeeneasy,either.Shefoundithardtotalktopeopleshedidn'tknow,anditseemedlikethestudentshadn'tevennoti
4、cedher.MeiMeisighedandgotbacktowashingdishes.Onthedayofthegrandopening,MeiMei'sparentswereallsmiles,welcomingcustomersintotherestaurant,brightlydecoratedingoldandred.EvenMeiMeiwasinagoodmoodassherushedaround,seatingguests,handingoutmenus,andpouringtallglassesofwater.Thiswasabigdayforhe
5、rfamily.AtoneofthetablessatafamilywithtwodaughterswhowereaboutMeiMei'sage.Asshefilledtheirglasses,MeiMeirealizedthetwinswereinherclass.MeiMeiduckedherheaddownsoherlonghaircoveredherface,andsheturnedawayfromthetable.MeiMei'smotherfoundhersoonafter,inthekitchenloadingthedishwasher.“Honey
6、,whatareyoudoingbackhere?Weneedyououtfrontwiththecustomers.”Paragraph1:“Mom,Idon'twanttobeoutthere!”________________________________________________________________________________________________________________________Paragraph2:MeiMeiputahandfulofcookiesintoasmallplateandleftthekitc
7、hen.____________________________________________________________________________________________Passage2【2020.5.8嘉兴二模】MissusSommers onedayfoundherselftheunexpectedowneroffifteendollars.Itseemedtoheraverylargeamountofmoney.Foradayortwo,shewalkedaroundinadreamystateasshethoughtabouther
