用电负荷是指客户的用电设备在某一时刻实际取用的功率总和，是客户在某一时刻对电力系统所要求的功率。
1、正确正确
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Writing:
NowadaysalotofChinesecelebrateWesternfestivals.SomepeopleareafraidthatthiswouldleadtothelossofChineseculture.Whatdoyouthink?Writeanessayofabout400words.
Inthefirstpartofyouressayyoushouldstateclearlyyourmainargument,andinthesecondpartyoushouldsupportyourargumentwithappropriatedetails.Inthelastpartyoushouldbringwhatyouhavewrittentoanaturalconclusionormakeasummary.
Youshouldsupplyanappropriatetitleforyouressay.
Markswillbeawardedforcontent,organization,grammarandappropriateness.Failuretofollowtheaboveinstructionsmayresultinalossofmarks.
Thecountry’schiefexportsarecoal,carsandcottongoods,cars_____themostimportantofthese.
____whatmay,we’renotgoingtomakeanyconcessionstohisunreasonabledemands.
_____atinthisway,thesituationdoesn’tseemsodesperate.
Marytiptoedoverandtooktheclockawaybecauseshehatedtohearit（）whenshewastryingtogotosleep.
