为划片P滑到最右端时，定值电阻R0上消耗的功率为P0；要使定值电阻R0消耗的功率变为原来的4倍

He spends a lot of time____(play)games every day. 初三定语从句.A book--a lot of pictures in it is very useful to children .A、with B、which C、in which.D、that spend a lot of time sitting and doing nothing very twice as large as 与 twice large than 区别 sue works very hard and she is very tired.she need a ____ ____ floor ground level storey的区别 Sb keep sb from doing sth造句 bottom,ground.land.floor 区别 Please come to my home on time,( A.will you B.do you C.shall we D.will we "____to my home.Come____,please."中的横线上应填什么（我只有这么点） people of the earth ////// people of the world请会的帮看Q1.people of the earth people of the worldQ2.the surface of the worldthe surface of the earth这两组句子意思上都差不多麼假如要写文章可否互换? The pyramids are made of h---- stones ground floor oportunity什么意思 The Internet is very usefull.It can p___ us with the latest news.完形填空 急问!some other people 指另一些人,为什么some other day中用day的单数而不是复数? exercise什么时候是可数名词,什么时候加s什么时候是不可数名词,什么时候不加s请详细 有没有读音相同,声调不同,又是反的字?如题,像：爱,哀这样的.有没有读音相同，声调不同，又是意思相反的字？ 中国历史故事内容,很急,10分钟限时 求中国历史故事主要内容,求求了~ at nights还是at night请举例说明 at night\ in the night\ on a fine night\at the night on school night还是nights on school day还是days If the bus be on time ,it will be here in ten minutes 中的be用什么形式 The speaker will arrive in ten ( ) (minute)time.括号填minute 的什么形式? 中文和英语的发音音调在中国有很多方言,但不管到哪里,广泛用的是普通话,都是一个音调,而英语呢,他们也有方言么,是不是也是在公共场合用广泛的话语,就想普通话一样,我怎么觉得英语的 in ten minutes' in ten minutes' time区别请举个例子， 用汉语代替读音最好代上声调 英语翻译为什么不用arrive at? 外语无音调（像中文的4个声调）,那他们怎么发音? 哪里可以找到汉语四个声调的舌头发声图片? 英语翻译这是城市猎人里的歌曲，希望把韩语歌词翻译成白话文。 1234 one two three four是女生唱的 好像是最近娱乐节目的插曲 节奏是 咚 咚咚咚 咚 咚咚咚咚咚