在高压开关主铺触头上并联电阻或并联电容的作用是一样的。

1、正确
2、错误
查看答案
正确答案:

错误

答案解析:

暂无解析

上一题
你可能感兴趣的试题

有固定货源且批量较大、数量相对稳定的托运人在一定时期内、一定航线或航班上包用承运人全部集装板或者集装箱运输的货物,称为包集装器(板、箱)运输。

Intheearlieststagesofman'sdevelopmenthehadnomoreneedofmoneythananimalshave.Hewascontentwithverysimpleformsofshelter,madehisownroughtoolsandweaponsandcouldprovidefoodandclothingforhimselfandhisfamilyfromnaturalmaterialsaroundhim.Ashebecamemorecivilized,however,hebegantowantbettershelter,moreefficienttoolsandweapons,andmorecomfortableandmorelastingclothingthancouldbeprovidedbyhisownneighborhoodorbytheworkofhisownunskilledhands.Forthesethingshehadtoturntotheskilledpeoplesuchassmiths,leatherworkersorcarpenters.Itwasthenthatthequestionofpaymentarose.

Atfirsthegotwhathewantedbyasimpleprocessofexchange.Thesmithwhohadnotthetimetolookafterlandorcattlewasgladtotakemeatorgrainfromthefarmerinexchangeforanaxeoraplough.Butasmoreandmoregoodswhichhadnofixedexchangevaluecameonthemarket,exchangebecametoocomplicatedtobesatisfactory.Anotherproblemarosewhenthosewhomadethingswantedtogetstocksofwoodorleather,oriron,buthadnothingtoofferinexchangeuntiltheirfinishedgoodswereready.Thusthedifficultiesofexchangeledbydegreestotheinventionofmoney.Insomecountrieseasilyhandledthingslikeseedsorshellsweregivenacertainvalueandthefarmer,insteadofpayingthesmithforanewaxebygivinghimsomemeatorgrain,gavehimsomanyshells.Ifthesmithhadanyshellsleftwhenhehadboughthisfood,hecouldgetstocksoftherawmaterialsofhistrade.Insomecountriesquitelargethingssuchascowsorcamelsorevenbigflatstoneswereusedfortrade.Later,piecesofmetal,bearingvaluesaccordingtotherarityofthemetalandthesizeofthepieces,orcoinswereused.Moneyasweknowithadarrived.

1.Exchangeofgoodsbecamedifficultbecause_________.

Amanbecamemorecivilized

Bsmithsbegantolookafterlandorcattleintheirsparetime

Cmoreandmoregoodswhichhadnofixedexchangealuescametothemarker

Dfarmershadn'tenoughgrainormeattoprovidefor

skilledworkers

2.Moneywasnotuseduntil_______.

Apaperwasinvented

Bpeoplepracticedasimpleprocessofexchange

CnothingcouldbeofferedinexchangeDtheexchangeofonethingforanotherbecametoocomplicated

3.Thebesttitleforthispassageis_____.

AWhatismoney

BWhataremoney'sfunctions.

CTheimportanceofmoney

DThebeginningofmoney

我国海关机关规定,进口货物的收货人自运输工具申报进境之日起,超过()时间未向海关申报的,其进口货物由海关提取依法变卖处理。

A、1个月
B、3个月
C、6个月
D、1年

Ifyoucanfillourorderof5000tiesverysoonwe‘dliketoplacetheorderwithyounow.

Wehopedthatyouwilldealwithourrequesthonestly.

热门试题 更多>
相关题库更多>
送电线路工
变电检修工
继电保护工
水电自动装置检修工
变电二次安装工
变电一次安装工
配电线路工
试卷库
试题库