向量叉乘自己

I have got two tickets ________(to/for) tomorrow's basketball game. 1,give me two tickets _the 2010 world expo 填什么,是to ,还是for ,2,thanks for the tickets __next week's game填什么,是to ,还是for 这两个题的答案都是for 但是初二的书上,一般都是用to 了,书上是the tickets to ball game He bought two tickets _____ london.画线处填A TO B FROM C OF D FOR E IN what are you choose to 求助!化学的一个离子方程式Ba(OH)2+HCl的离子方程式 we are not what we used to be有没有错误,纠正下. we are what we pretend to behow to translate it,tell me your idea.it is said that there is a deeply idea in this sentense 一个人在有水的路面上走(很正常的走),水很少,只是让地板湿了.然后走过一段时间鞋子的鞋头总是会湿~这跟走路的姿势有关系吗~那有没有什么解决的办法~ 一道奇妙的物理题：一火车由车站匀速直线开出,某人站第一节车厢前端旁,第一节车厢经过他历时4秒,整个列车经过他历时20秒（各车厢等长,车厢连接处长度不计）仅由这两个数据求火车共有 L,ve got two tickets for the match.Come with me.You,d better___stay at home by yourself.A.not to B.not C.to D/ have you seen the film ? Not yet.I will go to see it tomorrow .I( )(get)two tickets THE MORE TICKETS YOU SELL,THE MORE MONEY YOU WILL GET.为什么 TICKETS 、 MONEY 、要提前? the first step in setting up your home office is to decide what you will .the first step in setting up your home office is to decide ————you will use your office----- for study or for job related workA where B what 为什么选 what?为什么 To join a reserch group,you first have to decide what kind of reseach you find truly___.A interestedB interestC interestingD to interest 通用硅酸盐水泥中的碱主要指哪些化学物质?据了解水泥中含碱量超标危害较大,我不知道这里所指的碱主要包含哪些化学物质,我所指的碱主要是指钾、钠化合物，但不知是指哪些化合物会在 谁可以把自己知道的ch开头的,男生唱的,两个单词的英文歌告诉我啊? The first step to eternal life is you have to die这话什么意思? (2/2)l often have to take the first step in whatever you choose to do ”(1/2)翻译AS a teacher ,i always tell my students to work hard and keep up(2/2) from day one 思考题3分）甲、乙、丙三人行路,甲每分钟走60米,乙每分钟走67.5米,丙每分钟走75米,甲乙从东镇去西镇,丙从西镇去东镇,三人同时出发,丙与乙相遇后,又经过2分钟与甲相遇,求东西两镇间的路程 Two return tickets to London,please.这里的数字为什么放在前面.新概念英语里面这句话的数字为什么放在前面.我看笔记中说英语中有单位的话,应该把数字放在后面的呀.比如什么：platform two .可不可 i have booked two weekly return tickets to berlin.4043 Two tickets for Londonfor能改成 to bambookite ,不是不信你，其中就有to forTwo tickets ___ LondonA FOR B TO 能说说用 to和for 意思一样吗？ He bought two return tickets的同义句 the decision as to what kind of pet to choose is important 中 是2个主语吗 求英文歌,歌词有句：i comming home tell the word i comming home .不知道是什么歌? 还有一首中文翻译是：一共有17种颜色,有红,白,蓝.好像是kid cudi唱的. 两首求歌名,谢 中国----有哪些转基因作物在大田种植?效应如何? I saw him going to the office .的被动语态怎么改?是He was seen to going to the offi...I saw him going to the office .的被动语态怎么改?是He was seen to going to the office.感官动词接doing的被动语态形式怎么改? 求Fun In The Sun歌词Steve Harwell Fun In The Sun 的歌词? It is fun under the sun.哪儿错了? 一个正方体的棱长总和是72厘米,它的每个面是边长( )厘米的正方形,它的表面积是(一个正方体的棱长总和是72厘米,它的每个面是边长( )厘米的正方形,它的表面积是( )平方厘米,体积是( I have two tickets ___ the concert.介词填空 i have two tickets ___ the song of music.A.to B.for 两个哪个更好一点?