胃酸的生理作用不包括

4HNO3+X=PdO2+2Pd(NO3)2+2H2O求X的化学式 请写出具体解法 在反映4HNO3 4NO2+2H2O+x中,x的化学式为 X+4HNO3=PbO2+Pb(NO3)2+2H2O“x”是什么物质?它在炼丹时叫作“黄丹” Can you tell me if I really love me? Tell me whether you really love me ?!这个是什么意思啊? 教教我哎 哄呕 I think tell you that i really love you and i can chang myself for you.I think we can very luckly forever You answer is ___(exact) right in fact l really love in fact,i really love you 八年级英语作文：叙述你收到礼物后得到的启示和感动之情60词左右,句型单词尽量简单 I want to sleep!but I really want to say goodbye!what I should do?can you tell me?my love!这句英语的意思 沙特阿拉伯为什么那么热 本人最近要去沙特. 沙特阿拉伯是热还冷,准确的温度 沙特阿拉伯这个国家是否一年到头都很热吗最高气温是多少 大家分析一下这封英文信这是第三封,前面大概说了一下自己的情况,然后就开始说这些了.my dear this is my life story with love and trust 发件人：Recheal Dontel 查看 拒收 时 间：2010年12月18日(星期六) 晚 Your answer is not right.I think.(合为一句话) 中文名“涵铭”可以用什么英文名,音类似“涵铭” your answer are Welcome?the sentence 如题 means? I‘m afraid your answer is not (right),Mr Ding.根据句意或提示写出句中所缺单词 Our English books are blue.( 划线提问 )提问blue 急 the men in blue are our english teachers.our english teachers划线,对划线部分提问 pass me the book,please.（改为否定句） our english tracher is in the classroom.(用where 对划线部分提问）(划线部分,in the classroom)my telep is red(划线部分red）用what colour提问）it"s 30 yuan (对30 yuan用hwo much 提问 Mobile phone good or bad ...by mobile phone 英语作文 老师怎么在phone后面+s?小学不是说go to school by bike (没有s的啊） 1和雨倩这个名字同音的英文名2和适合射手座,o型血的女英文名2或者名字中有沫这个音的都是女名哦 雨浓英文名男士 请高手帮起个同音的英文名本人名旭义,拜托了.原来自己起了个Zoe却发现是个女名.郁闷啊.最好是谐音,和旭义发音相近. she was ill so she wouldn't be able to go skating the next day.不什么时候不用is .wouldn't be I often (go)to see her when she was ill 用合适的时态填空 He asked where she ___to go next day?(空格内该填什么时态,如果知道更多有关知识,可以一起写） My english book is in the backpack 改否定句