氧分子的化学符号
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急求六姐妹网名带英文其中有两个女的要和两个男的要是情侣的 不过跟我们要相似
关于How to Be Healthy的英语作文
求带英文的6个姐妹网名!有两对情侣
How to be healthy?英语作文要求:What bad habits did you have in the past?What good habits do you have now?If we want to keep heathly,what should we do?
急求六个带英文的姐妹网名最好是长一点的姐妹网名…大家帮帮忙
how to be a healthy child?英语作文要求:1.Do you think healthy is important to people?Why?2.What's your good habit?3.How can you be a healthy child?(List at least 2 ways)字数:65——80
急求八年级一篇英语作文《How to be healthy?》身体健康是我们每个人的追求,如何保持健康,是我们共同探究的问题.请用下面所给的提示语,以“How to be healthy?”为题,写一篇作文,词数60左右.(首
英语作文To be a healthy child
金问号怎么写
用简算法怎么写?[问号][问号][问号][问号][问号]
初高中常用的元素的最高价与最低价如何通过元素周期表来记啊 还有如何用元素周期表判断元素得失电子的能力
题目老是问电子层数是最外层电子数的几倍?什么之类的?有总结这些规律的吗?.
高中要背元素周期表的哪些元素
打问号的怎么写?
英文情侣网名,带备注的我想要一个英语情侣网名一个代“媛”一个代“乐”
谁能帮我想个英文情侣网名、带解释
求MICHAEL BUBLE的HOME中文歌词Another summer day has come and gone away In Paris or Rome...but I wanna go home ...uhm Home may be surrounded by a million people I still feel all alone just wanna go home I miss you,you know And I've been keeping
关于金属最高价态问题某金属元素最高价氧化物的相对分子质量为M1,最高价氯化物的相对分子质量为M2.若此元素的最高正价为n,则n与M1、M2的关系可能是A.n=(2M2-M1)/55 B.n=(M2-M1)/55C.n=2
铜的耐腐蚀性如何?比如海水 如果对镀铜物品进行盐雾试验,多长时间能见腐蚀?
铁镀铜耐腐蚀性能做盐雾试验有没有国家标准
1.I would like to have a rest at this moment.I __ __ having a rest at this moment.2.Simon worked1.I would like to have a rest at this moment.I __ __ having a rest at this moment.2.Simon worked hard so that he could pass the exam.Simon worked hard _
盐雾试验96小时
This is the school ( ) I have ever worked for 9 years.为什么填where 不填which呢?有什么区别?
请问轻触开关盐雾试验需要多长时间请问用盐雾腐蚀试验箱做铁盖板镀铜锡的盐雾试验要多时间?还有盐水的比例是多少?温度的控制是多少?
My sister is ill. I must take care of her at home.的翻译.
帮忙写篇英语作文,Favorite Place at School.60词左右 ,初三的水平.不得出现真实姓名,校名
for ...so l have to hard.求翻译
She can for her son so hard,I have to work hard for my son 需要很准确的解释
"It’s so hard when I have to,""It’s so hard when I have to,and easy when I want to" 将呢句话扩展成500 字+,最好就提供整篇了,不过相关材料都不错。尽快,急用~
英语作文be happy every day.要演讲!150单词以上!继续!
什么意思
以My favourite place为题,写一篇短文