一半径为R的带电球体其电荷体密度分布为

Why can't I type Chinese into my computer!I can't believe it!I've been using that for at least 4 months.And all of a sudden,I'm not able to type Chinese!I've restart my computer many times and my virus scan didn't discover any virus.What can I do?If I_you want togo home,please call me. 由某＋4价元素组成的氯化物和氧化物的相对分子质量比是7:2,求这元素的相...由某＋4价元素组成的氯化物和氧化物的相对分子质量比是7:2,求这元素的相对原子质量!（谢） 若+3价R的氧化物的相对分子质量为102,那么R的氯化物的相对分子质量为 Sorry.But will you please repeat it.I don’t understand what you are talking aboutSorry.But will you please repeat it.I don’t understand what （you are） talking about 为什么不是are you 英语翻译As far as you go to die! 翻译as for as you go to I'm sure your ____(understand) of art willincrease after you read this book.我想问一下,空里为什么是understanding必给赞 六级533、需要重考吗?谢有重考的打算.不知道值不值、.二楼明显在混分 Their ideas are different.=Their ideas are pants什么读 explain the difference between fascism and cummunism,economically There’s little meat and milk in the refrigerator, ?A.is there B. hasn't there C.isn't there D.has there 为什么是A 英语pants怎么样读 The piano _______ in Germany.A made B be made C was made D has made请问这道英语单选选哪个呢?哪位老师达人知道希望告诉我一下.请告知为什么选那项,别的为什么不选?最后还请翻译一下这句话.多谢 explain the difference between absolute charts and relative charts是关于统计学里的 pants怎么读 “德国制造”应该是Made in ?德国制造的产品上写的是made in 什么? 古典CD上有Made in Germany by EDC sorry ,i cant ,at work now sorry I cant read this can you write simple English?you wont give me your photos? sorry i m waiguoren i cant mingbai what are ni shuo shenme(滑稽) dance中国人读啥?是但丝,还是当丝? 1.Wait!Don't go at the red light!2.you must pay attention to the traffic lights. A city was to be built at sea,housing 30000 people.housing 30000 people.作什么成分?为什么house要用ing形式?housing 30000 people修饰什么？ 请问：You can't go at a red light怎样改祈使句? 关于硫化物硫与其他物质的反应规律是什么?如Al2S3和FeS,能通过单质与单质化合直接得到么?可以通过复分解得到么? 氢氧化铬在强氧化剂条件下是否会氧化成六价铬 （）is left over may be put into the refrigerator,where it will keep for 2-3 weeks.求详解选哪一个A.Whatever B.Anything C.something D.Whichever 用造几个句子1.be close to 2.think of 3.end up 4.agree with in summer,food left over must be put into the refrigeration___ it will stay fresh for a few days.A when B whichCthat D where 我是高中的,想知道各种常见硫化物的颜色,麻烦系统全面一点!如：FeS、CuS黑色其他的呢?比如铝的、锌的等等我有急用,