直线的方向向量与平面的法向量

i'm far too busy to go shopping和i'm too busy to go shopping有区别么 buy(ing式）sing(ing式）she(宾格）five（序数词）is not（缩写形式） 求数学专家快快快最好是手写的过程 歌词里面的quando是什么意思呀? quando是什么意思? Quando什么意思? quando vuoi piccolina是什么意思朋友发的短信,有会意大利语的朋友帮忙啊 Can you guess her a_____?---------Sorry,I can't. 骑自行车怎么保持平衡啊?我刚刚学骑车,老是一起步车就往一边斜,老妈叫我身体坐直,但我坐直了车照样还是斜,骑着骑着就会摔.老爸叫我车子要斜的时候调整一下车头,但那样是越搞车越斜. 怎样控制骑车速度,使速度保持均匀 steal 的用法steal sth.from sb.那么steal sb._______ sth.（填介词） steal(偷） ＆ theft（偷窃）有什么不同?急~~~谢谢 --Isn't he a worker?--_________,He is a teacher.A.Yes,he isn't B.No,he is C.Yes,he is D.No,he isn't Quando是什么意思,是哪国的语言. steal过去式怎么读 quizas 和quando都是什么意思这是什么语? 英语翻译one day an old man walks in a street.He sees a little boy called Tom.He wants to ring a doorbell.But its too high for him.The old man os very kind and helpful.He says to theboy,"Don't worry,I can help you to ring the bell.” and so he ri 英语翻译The Olympic Games will be opened up just after a month in 2008.Toady is the volunteer recruited day.I got up earlier than before,after breakfast,walked to the Olympic Village full of enthusiasm.The Olympic Village is very hilarious.All of ----- you ------(ask ) questions?填空 物体不振动就不会发出声音吗?如果 你知道结果请举一个例子! 幽默的人来进来 ..给点像 啊哈.这样的逗得词语 ..多弄点 逗人的的词 I am rabbit ,rabbit is 横线 .I am rabbit ,rabbit is 横线 .这里横线处可以填写什么? 有3个选项 ,一个或多个正确：my I me mine 哪个或那几个是可以用的? 连词组句（注意标点） 1.elephant,see,I,the,can,mother 2.jumping,The,is,rabbit3.elephants,DO,any,see,you4.doying,the,What,duck,is5.monkey,swim,Can,the 用代词填空 There is hardly____in the basket,it's empty she works hard _____ all her lessonsa.atb.aboutc.ofd.in 怎么老记不住啊、、、、、 初三了、可是历史呢些年代什么的老记不住怎么办 ______ will be punished by the teacher for breaking the window.A.You,he and I B.I ,he and you选A还是B?为什么? _will be punished by the teacher for breaking the window.A,I,you and he B,I he and you选?为什么? criminal和prisoner具体的区别是什么? He is the student _ we want to talk.A.about whoB.to whomC.thatD.whom 请问有没有 "to whom he want to talk” 这种用法?广东2011英语高考语法填空题.