有一包固体粉末可能由baso4cuso4na2so4bacl2nacl2中的一种或几种组成其实验小组

Your Life Is My Sacrifice啥意思?Your Life Is My Sacrifice是不是说你生活的一切一切都是我的付出?还是另有其他说法? 用英语写服装店一则广告,以sale at 开头要长一点的,遍都可以,单词不超过50 take your book ,please改为否定句怎么改 四级成绩查询,准考证号忘了怎么办2010年12月四级成绩查询,但忘记准考证后面的5位了（考场号和座号）,请问除了回校查询还有什么办法能查到呢?我推算过了人太多推不出来.能帮忙查到的亲 英语四级成绩查询 准考证号忘了. 有哪个英语高手知道这句话对不对 do you know what is that the meaning of.只需回答对不对就行了,不要换其他句子,如果错了,请问错在哪里我知道有个句子叫 do you know what is the meaning of 只是问上面的 do you know what is my meaning? 谁可以提供我几个德语的名言 my friend mary wants to go to a movie 对go to a movie 提问zhe 四级准考证号有什么个人信息么 能随便告诉别人么 Your English book is in your backpack.__ and read it.A.Take out it B.Take it out C.Taking it outD.Taking out it 可不可以帮我查下英语四级的成绩啊、准考证号是508182102103627 关于德语教师的名言 Do you know what time it is?这句话what 为什么可以在后面 “My father slept.The door was open”合并为一句快看快看一句七个单词，七条横线 The old man slept.The door was open.（合成一句） the old man slept. the door was open.合并为一句 Live的四种用法.. live和live in用法有什么不同 live 的用法?我现在和弟弟住在一起.1.I live together with my brother now.2.I'm living together with my brother now.哪一个正确,或者说哪一个更好? live 用法Where do you live I live _____ 108 Center Street.填对吗 用适当的形式填空 Look!_____(they)your brothers? In 2012,Mo Yan became the first ChineseIn 2012,Mo Yan became the first Chinese writer _________ won the Nobel Prize for Literature.A.that B.whom C.whose D.which 选什么为什么谢谢! 英语音标中 -ck -dge v w- x y- 为什么有的在前边有的在后边啊?英语字组表 元音字母:a e i/y o u 元音字组:ar er ir or ur are ere ire ore ure ai/ay air al au/aw ea ear ee eer ei/ey eu/ew ie oa oar/oor oi/oy oo ou/ow our ui to live 与 to live inhilton hotel is a wonderful place__,though the price is very high.a to live b lives c to live in d live是不是不定式修饰place可以省略介词?比如：He has no place to live. to live in 和to live的区别例句“：zoos are terrible place for animals to livethat was suitable for animals to live in They have milk __for__ breakfast.对划线部分提问 They have two eggs for breakfast.（对划线部分进行提问） His family has father mother brother 这样写对么? h,o,s,w能组成什么英语单词 w s o h能组成什么英语单词 用s、w、a、h、组成一个英语单词