为提高学生的环保意识

sometimes/sometime naive?要不要ssometime(s) naive 到底要不要s?理据服即可想知典故者可留邮箱 We sometime put it in a purse and sometime in a pocket .It's 哥白尼学说往事：科学证据是必要的吗? 英语翻译Long long ago,there was a poor man.He had an orange tree in his garden.On the tree there were many fine oranges.One day he found one of his oranges was much bigger than the others.It was as big as a football.Nobody could ever see such a b 英语翻译I am honored to standing here to deliver a speech entitled "Friendship''.The hero's mother in the movie Forrest gump says,"life is a box of chocolates''.I would say that life,with friendship,true friendship particularly ,is sweet as honey 碳酸氢钠在生活中有什么用途? 家长心声怎么写 小学成绩单上的家长心声和自我描述怎么写?我五年级成绩单上的家长心声和自我描述怎么写? 让爱停留是什么意思 加利福尼亚、华盛顿、纽约比较哪里最好?1月出国上高中,我自己想去LA.父母强烈要求去华盛顿或纽约说那里比较繁华.能不能从天气环境,购物,学业,和城市大小分布来比较一下加利福尼亚和华 46毫米＝（）厘米,420克＝（）千克,650米＝（）千米,5分米＝（）米,650米＝（）千米,2350米＝（）千米20070千克＝（）吨,11平方分米＝（）平方米,60公顷＝（）平方米2米15厘米＝（）米,7吨40千 臣之壮也,犹不如人.”也”怎么翻译?什么用法? 488应估成400还是490488应估成500还是490 37×42≈ 在进行估算的时候可以把两个因数同时看做整十来计算不? 小学数学 500-400＝? excel四舍五入,例如：401=400,402=400.405=410,406=410.这样没有小数点的四舍五入公式怎么弄啊?求 service,electric,connection,month,danger,care,cook,safe,switch,boil,behavior,iron,untidy1.Can a microwave cook____eggs?2.Do you know how touse electrical appliance __________?3.We make rules to encourage people to _______in a way that is right.4.Reme A:How about the woman with ____ ____ ____ ____（长发）?B:She's my Mum. what did the color of the floor use to be还是What is the color of floor used to be 哪个对?为什么 What colour will I be tomorrow?语法有错误吗?明天的我将会是什么颜色？正确的应该怎么说？ 填空哦, 填空, 请帮忙填空 相（ )相（ ）填空要对的哦 milk protein concentrate这是客户发给我的询盘,要这个产品但是不知道中文名称是什么? 13x+11y+7z=709 11x+7y+13z=719 7x+13y+11z=711 请问11X+(8/5Y-7Z)=S 中S代表什么东西啊 11x+8y=200怎么解? 11x+8y-9z=10,6x+3y-8z=1,21x+10y-25z=6要详细步骤13:45收啊快,老师出的附加题,快 “发生突变的基因是隐形”应该怎样理解?是指A→a还是a→A呢?（我做的一道题的意思是发生隐形突变） 赅我们你 怎么样才算知己?