平面向量的坐标表示

什么样的地貌叫半山区? which do you think is more useful,a vocational education or a purely academic one?100字左右. Which TV programme do you think is more interesting?I think_____ is interesting.A:none B.neither选哪个?为什么 水泥浆水灰比什么意思 人饮水过多会怎么样 水泥浆水灰比怎么测 水泥浆水灰比容重的换算关系 已知下图的面积中圆的面积是62.8平方厘米,求等腰直角三角形的面积直角三角形的一条直角边是圆的半径 There is one extra option which you do not need to use Which one do you think is really going to happen to 最后一题啦！ Can you jump ___________ a fence which is one metre high?( )a. across c. overb. at d. under which one is middle school are you in? —clothes are red.(we)What colora are_?(you) here are two pens,which one is_?(she)I can find my toy,but where is_?(you)Show_your kite,ok?(they)I have a cat._name is minni(it)Are these_tape players?(they)No,_arenot theirs._are not here(they) Which one are you 和 Which one you are哪个是对的? 为什么消防水池大于500立方要分成两个独立的水池 900立方的消防水池,平面画多大平方?求大师, 世界上最爽的事情是什么 这世界上最值得庆祝的事情是什么? 什么是世界最爽的事? 油和水的比重五十金的水壶能装多少号九十号汽油?为什么油倒入水中会浮在水面上? 水和油的比重 which is the book ___ to you?A.belonged b.is belonged c.belonging d.belong.这个题选择哪一个呢?为什么呢?能不能再说的详细一点呢？the book is belonging to you 不是是the book belongs to you不是这样翻译的吗？ Is this the museum___you visited the other day?A.that B what C in which D the one这道题与下面这道题有什么不同Is this museum_____you visited the other day?选项和上题一样.最好详细一点,并引申一些相关的知识. Which book on earth is the one you want?There are a large number of reference books ___,but I'm at a loss which to buy.A.to be chosen B.to choose from C.to choose D.for choosingWhich one?Why? the way --- you are doing it is complete crazy.A.in which B by which C on which D at which 沙发用英语怎么写 世界上绝对不可能的事是什么?///是世界上绝对绝对不会发生的事!我晕嘞~有没有点比较理性的回答啊. 世界上不可能的事有哪些就是比如说证明出一个数字的绝对值可以小于0~这一类的 跟他在一起将近四年,什么分分合合也都经历过了,可是这次好像真的是完了.身边有一个朋友,和他女朋友已经四年了,可是一个月前女友和他说分手了.现在他身边又有了一个新女友,他说是认真 为什么 如图所示甲的电路中,如果电压表v1和v2的指针指向如图已所示的位置,那么灯L1两端的电压为 v 图甲是用电压表测量电压的实验电路图,电压表所用量程不明,电压表V1、V2的指针位置