关于比较北京和上海的英语作文

答案为D因为北京比上海的维度大,也就是北京的半径小于上海的,地球自转时两地的角速度是一样的,线速度为角速度乘于半径,所以线速度上海大于北京.

D再问：为什么再答：连接运动质点和圆心的半径在单位时间内转过的弧度叫做“角速度”。它是描述物体转动或一质点绕另一质点转动的快慢和转动方向的物理量。因为两地区相对静止，地球绕地轴转动所以角速度相同

Thefeaturesofacityareitsbuildings.Asafactormostreflectingthetimes,societyandnation,thebuildingsgiveo

TheweatherinShanghaiisdifferentfromthatinBeijing!

BeijingandShanghaiarethetwobiggestandmostimportantcitiesinChina.Nowlet'shaveaquickandshortlookatthem

2010worldexpowillbeheldinShanghai,thethesisof"citybetterlife",adumbrativeShanghaiandothercitieswillu

Expowillhavealonghistory,butneverbeforebeenheldinAsia.Visitedmanymuseum,includingtheChinaPavilion,wh

Sincethe2010WorldExpoisaroundthecorner,theShanghaigovernmentisbusypreparingforitandoutcityhastakenon

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TheTempleofHeaven,literallytheAltarofHeaven(TraditionalChinese:天坛;SimplifiedChinese:天坛;pinyin:TiānTá

开头省略了myparents.Theweatherwasbad.Itwasrainingalldaylong.WetriedtogotosomeplacesofinterestsuchastheBun

AsthecaptainofChina,Beijinghasbeenthemostpopularcityofchina.SomoreandmorepeoplewanttovisitBeijing.It

Shanghai,aninternationalcity,islocatedintheeastofChina.Withitsworld-famouslandmarkssuchasJinMaoBuild

Sincethe2010WorldExpoisaroundthecorner,theShanghaigovernmentisbusypreparingforitandoutcityhastakenon

andiamhappytointroducetransportationsituationofBeijing.ThankstotheOlympicGameshostedinBeijingin2008,

同学其实不管哪个新东方的教学都是过硬的,至于你说好的地方吗每个城市都有自己的特点,说到风影好的正所谓上有天堂,下有苏杭,那么说杭州与苏州的如果你有机会自然要去好好欣赏一番嘿,至于其他地方你可以在网上搜

BeijingandShanghaiarethetwobiggestandmostimportantcitiesinChina.Nowlet'shaveaquickandshortlookatthem

你可以去北京导游网看看哦~很多文章的(ATripToBeijing)OnsummerholidaymyparentstookmetoBeijing.WestayedatHuabeiHotel.Onth

PeoplenativetourbanBeijingspeaktheBeijingdialect,whichbelongstotheMandarinsubdivisionofspokenChinese

TheweatherinShanghaiIsdifferentfromthatinBeijing.