氢气的摩尔质量怎么算

days and nights well spent.请叫我medieval southern italy什么意思 daniel and l are both members of the get fit club.today we talk about the food in our lives.daniel likes h【 】while l like a bowl of r【 】at a meal.and l like f【 】.l think it is healthy.but l do not likes e【 】.daniel does not like eggs Today we can use the I_____to do our homework. i talk to sue about our lunch date.i cant meet her today because i am not feeling well.a...i talk to sue about our lunch date.i cant meet her today because i am not feeling well.acan bmust cwould dmight填哪个?为什么? She worked three days a week for seven weeks at the Grand Rapids Comprehensive Therapy Centre. She sleeps (seven) hours every day 对划线部分提问 Do you need musicians _____your rock band? she has (seven) lessons every day疑问句是什么 帮忙写个发言吧,英语要考试考口语啊how much do you need for your living expenses each month 继承者们里面有一首英文歌 歌词大概是这样的：love you is… love you is…love you is… Do your need bag for sports what do you need____your school trip. 成语典故古文比如.害群之马,老马识途等的短篇古文.（这两个我已经有了.要其他有题的） 古文成语故事100字以内 要有加点字的翻译和译文 开机蓝屏出现please PS和PT的异同点Potoshop和CorelPrinter有什么相同点和不同点? How much do you need?$20______enough for me.空格里填has,have,is还是are? 过华清宫绝句其一第三句那个字用得十分精妙?并作点分析. 厨房的水龙头是不锈钢的.拉丝的.钛合金的哪个比较好呢? 泥土具有怎样的精神 1.would you mind cleaning your room?2.i'm sorry.i'll do it right away.3.would you mind not playing baseball here?4.sorry we'll go and play in the park.5.would you mind mooing your car?6.no,not at all.7.could you please wash the dishes?8.ok.i'll do th would you mind _______ your pen?选择 说原因1.I using2.I to use3.my using 4.my use Would you mind me____(use) your bike?用适当形式填空我想要原因，明天上课老师要问原因， 土地的出让和转让有什么区别吗? 不同类型的土壤的区别 表土层和局部土壤有什么区别 不同性质土地有何区别? This is for the people...是什么歌 The people on that island set a(n)____day to remember that brave man.a.especial b.special c.entreme d.unusual This flat is quite small.All the people on this floor use the same kitchen.This flat is quite small and you have to ____a kitchen_____your___.改写成这个句子 听说碱能和不活泼金属反应,那Cu能和NaOH反应吗?反应要什么条件?方程式怎样?反应要水参加吗？ 泥土里含有什么?最多的是什么?