右手螺旋法则力矩

Evidence has been found __ children's sleeping problems are likely to continue when they grow up .A.why B.that C.how D.whether （答案是B）提问：1.why也可以当同位语从句的连接副词,为什么不能用why?2.若用that,那么请翻译 Evidence has been found through years of study____ children's early sleeping problem likely tocontinue when they grow up？A.why B.how C.whether D.that Only ___ consideration has been given to the problem,and no solution has been found.A.few B.a few C.little D.a little 这题是考察倒装句吗?所以是否定形式,我个人认为不是选C就是D,但是不确定选哪个? It ___be two years before they find the new kind of machine.A.will be.B.has been Please give me two more apples.的同意句? I'm short of money.Give me ___________pounds,please.A two more B more two C other two D else two选哪个啊 为什么捏,【句中的I'm short of 快考试了 give me more information, please! help 和aid都是帮助的意思,如何辨析呢? assit help aid区别 help和aid这两个单词有什么具体不同,各应该怎么使用? 什么是HTC sense? HTC sense要注册,这个需要收费的吗? thanks,fine,you,and 连词成句 GIVE ME FINE 是什么意思?李雨春的单曲 We should try to__our unnecessary expenses.A.burn down B.add to C.turn off D.cut down. 一首英文歌曲高超部分好像是only one day什么什么only one day什么什么的在百度网页搜索a1374 2009dj 意大利最新舞曲 chenbingwei163.mp3第一个网页进去72：50秒左右的那段歌 找一首英文歌,女歌手,歌词里有...one day two day...查过了,不是番茄女孩的《happy day》,是英文歌,女声,节奏还蛮轻快的,很多年前的,只记得前奏是低吟. There is no doubt that I have been loving you from the "aid","help"的区别?如题 help ,aid ,assistance之间的区别是什么? 黄昏的同义词3个以上 奇怪的同义词是什么 “神秘”的同义词如题完毕 神秘的同义词 英文翻译 不管气候条件如何,这块地总是保持高产稳产（regardless of） i'm looking at chilren playing ____ volleyball打错啦i'm looking at chilren ____ volleyball It is required that each room▁▁（clean）thoroughly. i will move to where i want to i will have to move (to other planets).就划线部分提问 What are we like?的翻译.能翻译成“我们喜欢什么?”吗? 英语翻译英文PPT中的标题,如“What we are”翻译成中文怎么说合适呢? That old man died ____________ the age of eighty.选项:a、on b、in c、with d、atThat old man died ____________ the age of eighty.选项:a、on b、in c、with d、at it was not long () the old man died1)after 2)before 3)as soon as 4)while选哪个?为什么?