有一包白色固体,可能含有硝酸钡、氯化钠、氢氧化钠、硫酸钠、硫酸铜中一种或几种组成 某实验小组对其成分

here it is times和time有什么区别? sometimes ,sometime ,some times与some time的区别与用法,最好给出几个例句, ——you haven't closed the window,have you?_____.don't you remember ____-me closing it a moment ago?no;seeing/ yes;to see/ no;saw/ yes; seeing.怎么选 do you have?和 have you got I don't have 和 I haven't got 分别在什么情况下用啊? 夏天来了,荷塘里的荷花争相开放.缩句 How many ___ can you see in the picture?(e i t s k ) look,here（ ）is. 用say something about your district写一篇英语作文,不少于60个单词, 1.Authough our boss is very busy ,he still___a lots of time to his parents.A.devetes B.spends C.offers D.providesdecote to在这里应该怎么翻译?我选其他BCD不行吗2.The salesperson told me in the e-mail that the browm coat would be cheap b My sister and I like p_____ playing tennis together.填空 my sister and i like to p_____playing together.首字母填空 池塘里一种荷花每天扩大2倍,那第28天荷塘里会有多少面积的花 池塘中荷花第二天的面积是第一天的2倍,问多少天后荷花占池塘的2分之1?多少天荷花占池塘的4分之1?题目少了一个条件，32天后开满池塘。32天是不是刚好开满，如是刚好才行。如不是就很难 times的用法 话题作文：Say something about myself话题作文：1.Say something about myself2.My family3.My best friend4.My hobbies5.My favorite …6.Talk about jobs I like又快又好的追加!6篇一起写！ reservation用英语怎么念 reservation 怎么读 reservation 的英语音标. 一个经济学问题（英语）英语回答1.Suppose that the National Assembly passes a law requiring employers to provide employees some benefit (such as health care) that raises the cost of an employee by $4 per hour.(a) What effect does this em 关于一个英文经济学问题,有把握的进哦Pat and Kris are roommates.They spend most of their time studying,but they leave some time for their favorite activities:making pizza and brewing root beer.Pat takes 4 hours to brew a gallon of root 这道英文的经济题怎么答呢?谁能帮忙回答一下~~谢谢了Consider two countries Canada and Mexico. Both countries sign a free trade treaty. Canada is skilled labour abundant whereas Mexico is an unskilled labour abundant country. What 经济学高手来 用英文回答The balance of payments (or BOP) measures the payments that flow between any individual country and all other countries.It is used to summarize all international economic transactions for that country during a specif what time的用法at what time和what time是不是一样的?但是what time应该是代词啊,那为什么What time do you get up?回答是At7;00呢? Please_____ something about yourself,Tom.A.say.B.speak.C.talk.D.give. 有意义的短故事3分钟左右的 I have made ________foreign friendsA.muchB.a lotC.severalD.a little ——Why don't you get her a dress?——I think it's too_____.We aren't so close.A.cheap B.lovely C.beautiful D.personal选哪个?如何译? xiaoyan have "many"foreign friends还是xiaoyan have "a lot of" foreign firends?1什么时候用"SOME"什么时候用"A LOT OF"?2PS:什么时候用"HAS".什么时候用"HAVE"?3什么时候用"GOES TO"什么时候用"GO TO"?发现肯定陈述句要加 求七年级下仁爱英语练习册My home is in an apartment building的综合提升的答案也就是43到45作文不用 求历史小故事要3分钟之内讲完的越短越好,不要太短. 历史小故事：要3分钟且要有评感的.一定要赞的.绝对有价值.这个是历史老师给我们布置的作业、说什么课前5分钟讲历史故事.但是我实在没啥头绪.大家帮帮忙、最好你们写,不要网上给我摘