杜甫写诗的特点和风格

这两道题应该选什么 这两道题选那个,谢谢1. I like writing my own original sentences __the grammar I've learned.A.use B.to use C.used D.using2. If oyu want to work for our country in the future,___,you should have strong body and rich knowledge.A. at first B. f 帮我看看这两道题选什么? 1.I'm afraid I can't make myself ___A.understood B.understanding C.understand D.to understand选A2.Xinjiang is a region ___mountains and deserts.A.with B.having C.which has D.all of above选D 历史题目解析 为什么选B某史书记载：正月望日,京城各寺,水陆普度大斋之会竞相而办,从者甚众；盛饰灯影之会,金吾弛禁,特许夜行.贵族戚属及下隶工贾,无不夜游.判断下列关于这段文字描绘 解析为什么选A D 历史选择题目要分析答案B谢谢! 【高中数学】求过圆上一点的切线方程 一个关于点和圆的关系,切线方程的问题.比如说知道一个圆的圆心为（a,b) 半径为r 另外圆外一点坐标为(p,q)那过这点的切线方程有没有什么公式. 会的答!要有解析（为什么选它）!向量筒里注入液体,仰视读数为amL,倒出一部分水后,俯视读数为bmL,则倒出的液体的体积是（ ）A、（a-b）mL B、>(a-b)mL C、 [(y-3x)(-3x-y)-9(x-2y)的平方]除以3y 怎么算?还有：（-x）的5次方除以（-x的2次方） 若3的m次方=a,9的n次方=b，求3的2m-6n+1的值（用含a、b的代数式表示） 第三题, 第三题怎么写,好评先到先得. I still don't know what()while I was away from home.a.had happenedb.happened为啥答案选b,它应该是对现在造成了“我不知道”的影响啊?干嘛不选AMrs King kept weighing herself to see how much()she was getting.a.heavierb.the heav 答案我知道,就是想问为什么这么选227._______,the table would not go through.A.Being such a narrow door B.The door being such a narrow oneC.Because it was a so narrow door D.The door being such narrow one235.______rainy,we have to put off 8.The winning team loudly ___ its victory.A.magnified B.proclaimed C.signified D.exclaimed　9.With an eight-hour week and little enjoyment,life must have been very ______for the students.A.hostile B.anxious C.tedious D.obscure 若方程组3x-y=m x+3y=m（m≠0）,则x：y= 若方程组3X+Y=m,X-3Y=m,且m≠0,则X/Y 解这个方程：X（e∧X）+3=0 二元一次方程x—3y=2,2x+y=18的解 我的家乡的环境不如以前好了.The environment in my hometown is ---------------------.我和你有相同的感受.I have ------------------------------- you. 求二元一次方程2x+3y=18的非负整数解?快、、、、、、、、、、、、、、、、、、、、、、、800里加急!1 When Mr Green got to the entrance of the hall,he saw some kids ____ there.smoke,为什么不用smoking,请解析.The problem is _____ difficlt for us____.a.so;work out b.very too;to be worked out c.rather too;to work out d.quite too;to work it out请 写出二元一次方程2x+3y= -18写出二元一次方程2x+3y= -18的负整数解 根据首字母提示填写单词,补全句子.He began to learn to play the piano at the a_______ of three.We young people should be polite to the e________. 2,3,4,5用方程 写出二元一次方程2x+3y=-18的负整数解 x×3×5.4％＋x＝22646（这个方程怎么解,） 14题第二问 14题 1 2问怎么解答呢. 解释分析第14题