血液与细胞之间的气体交换是通过气什

SQL server中的物理排序和逻辑排序是怎么回事物理排序和逻辑排序 是怎么排序的 studied for a test什么意思,studied for a test等于什么 he studied for the e( ) last night My wife has three brothers,all_____than she,_____.george,is an officer.A older,the eldest.B elder,the eldest C elder,the oldestDolder,the oldest 名声鹊起造句如上 compass 和 gunpowder的发明人是谁? THE COMPASS怎么样 二次函数y=ax2+2x+c的图像与x的两个交点都在原点右侧,则点p（a,c）在什么象限? My wife was wearing a hat that looked like a lighthouse.My wife was wearing a hat that it looked like a lighthouse.为什么中间要省略it? My daughter looked_______when she was wearing that red hat.A.funny B.interesting C.attractive D.amazing 为什么选A,不选C. this morning I saw her wearing a funny hat which looked like a lighthouse这句话wearing 是动名词做什么语? My daughter_______when she was wearing that red hat.A.funny B.interesting C.attractive D.amazingdaughter后有一个looks 已知椭圆过两点A(0,-2),B(3,0),求椭圆的标准方程 求经过点A（√3,-2）和B（-2√3,1）的椭圆的标准方程 mei.you.hua.xiang,mei.you.shu.gao,wo.shi.yi.ke.wu.ren.zhi.dao.de.xiao.cao,xiao.cao.de.sheng.ming.li.zui.wan.qiang!peng.you:ni.yuan.yi.zuo.yi.ke.xiao.cao.ma?谁帮我译下, 两条平行线如何才能相交?两个不同世界的人能在一起吗? 求经过A（3又根号3再/2,1）与点B（0,-2）两点的椭圆的标准方程, 求步骤 wo xiang zai wai di dang bing ke yi ma 如何让两条平行线相交?如果是两个人呢? 这句话有没有错误：The most fundamental fear of people are unknown things,in other words,which expose their ignorance directly. 吴太太 请问英文正确叫法是 Wife wu 还是wu Wife yi hou d yii hou n ixi an zai zen yang tao yan wo dou ke yi houxu you tian wo ke yi fang qile有那位高手可以帮帮我翻译这些拼音成中文吗 急用 别看我只是一只羊粤语版的读音.比如：不应该小看我们羊羊（bu ying gai ti xiao wo di yang yang) San bu zai xiao xi,Shui jiao zai chi tang,Ben pan zai jiang he,Pao xiao zai hai yang.打自然 There aren't some eggs.改错 you and i can all have stamp albums哪里错了? 我坚强的小船 WO JIAN QIANG DE XIAO CHUAN怎么样 gei wo 2ge yingyu xiao gushiduibuqi!wo jia zi da bu chulai le! 《椭圆的标准方程》是目前高中课本第几册（啥修）的第几章的第几节内容.说清楚是第几册,第几章,第几节的内容本章的题目叫啥是必修还是选修 已知f(x)=X^3 (X属于R),则函数y=f(`x)在其定义域上是 单调递减的奇函数,则函数y=f(-x)在其定义域上是 单调递减的奇函数 这是后一句话 已知函数y=f(x)在定义域R上是单调减函数,且对任意x∈R.f(a+x)＞f(x)恒成立 则实数a的取值范围是 react on与react to和react with 有什么区别?