幂级数在某点条件收敛

书信是一种什么样的应用文啊? 应用文的种类很多比如感谢他人的书信、称为什么】、 He helped me finish the work（改为同义句）.（ ）（ )help,I finish the work. What do they do everday?(read books) What____(ism are)they doing now?They're___(read,reading)books.选词填空 what are the books they are here.改 work done by a variable forceIn a one-dimensional situation,a force given by F(x) = (2.2 − 0.61x2) N acts over a displacement from x = 0 m to x = 0.12 m.What work does the force perform?\x05 A spring,compressed 0.31 m from its equilibrium posit work done to the system和work done by the system的区别 例：清风徐徐 明月（ ）（ ）\(≥▽≤)/~ Well,I'd just like to say that I'm very angry with you . I was very with John-he just( )when I spoke to hiI was very with John-he just( )when I spoke to him.这道题选什么 书信----应用文 （）-----牲畜 老鹰-------（） 解梦,梦到动物.我梦见一只猴子蹲在我肩膀上,还梦见大熊猫在地上,什么情况,高人解哈子... 周公解梦梦见跟动物打架是干什么的 写信注意我知道写信要写请（ ）.（ ）.（ ）.（ ）.（ ）这五个方面的内容.快只限1天 26.Tom is the only one of the stall...26.Tom is the only one of the stall members who ______ to be promoted.a.is going b.are going c.has been going d.have been going 很像星星的花叫什么名字 开的花是黄色的像星星一样是什么花 you could not find a ture friend in the corner 小马宝莉歌曲《a ture ture friend》歌词 ture friend 的歌词我要这首歌曲的歌词最好比较完整点是Hannah Montanna的 应用文（书信、发言稿、建议书）作文要一篇应用文的作文 I feel a little angry with() 填me还是myself.为什么,他们有什么区别 一年四季的变化是怎样产生的? He always be angry with me 还是He always is angry with me?副词后面的系动词或动词用变成原形吗 i can always be myself with I"AM AII OVER YOU I diligently am winning over They are working 一年四季月亮的方位会变吗就和我讲简单一点的吧，我是外行 月球有一年四季吗?为什么?我要详细的解答,包括和地球的对比不要随便复制黏贴给我的 英语口语：“我正在努力尽快适应这种工作模式”怎么说?特别是“适应”在这里应该怎么用?