永续年金现值

计算下列物质中某元素的质量分数 1.硫酸铵中氮元素的质量分数 2.硝酸铜中氧元素的质量分数 计算下列物质中氮元素的质量分数（只要列出计算式子）NH4HCO3,(NH4)2SO4,NH4Cl 计算物质中的氮元素的质量分数(NH小4)小2 SO小4 英文翻译:"连JACK都不行,更不要说你了" Is she your grandma对不对 the cake is to your grandma.还是the cake is to your grandma.the cake is to your grandma.还是the cake is for your grandma Her f_name is Mary _is your family name?please show your ID_.Nine plus three is_. Is she your grandma?为什么用she? 请问甚么时候说what is your name?甚么时候说your name please? Please give me a big carrot,I want _____(eat) it .怎么填用所给词的适当形式填空 I want an orange bicycle.还是I want a orange bicycle. I want to try again.Please give me＿＿＿＿ third chance again.A .a B.the C.an D./ 为什么选Athe third 与 a third 有什么区别 “在现代社会里,英语越来越重要了” 英语翻译一下 六年级英语作文,词在40以上,不要太多,My winter hobby 有没有历届的英语初一奥赛试题, please give my best w___ to your family. 改正错误：Please give my best wish to your parents 英语句子Please give my best wishes to your parents.的回答.应该回答"hanks a lot"还是"Of course,I will"? Please give my best_________(问候）to your patents. 我国是世界历史最悠久的农业大国之一?是对是错? 英语翻译 my hobby英语作文(我的爱好是钓鱼）80个单词 求一篇名字为My hobby（我的爱好是读书）的英语作文10句话!今天就要! spell please=please spell 是什么意思 spell it,please! Spell an orange ,please 改错 帮个忙了 还有 This’s a blue ruler Please spell A It is a key.B Please spell it.对话中Please spell it中的it指的是（） “Spell it,please.”的同义句是什么?“Spell it,please.”的同义句是什么?“Spell it,please.”的同义句是什么?“Spell it,please.”的同义句是什么? 求帮助完型填空 关于介词离.away from we have distance away from school.离学校有很远的距离 如果我想说 i am one step closer to my destination.能否换成 i am one step closer away from my destination.后来思前想后 close这个形容词好像要 一道英语单选题目,We hope the measure to control prices,_ are taken by the government,will succeed A as B since C when D after .,我选了D,选错了,为什么.麻烦把其它兜说一下,我完全看不懂 KB failed in joining ShanXi Zhong yu and playing in CBA,_____made all the Chinese fans disappionted.A.which B.that C.it D.what我想问一下这道问题为什么不能选C呢?