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磷酸铵镁的化学式 有ABCD元素,原子序数递减,A元素的1mol原子最外层的电子转移给D元素的1mol原子,B元素的1mol原子最外层的电子转移给C元素的1mol原子后,都变成电子层结构与氖原子相同的离子,ABCD的元素符号分别 Take That的《Reach Out》中文歌词. I was born on first of the May的同义句_____ ______ _______ on the first of May I was born on the first of May?同义句 I was born on__ the first()()y这句话的意思 磷酸铵镁失水请问磷酸铵镁在氨气流中加热到100度会失去5分子结晶水,在空气中加热到100度会失去全部结晶水成无水磷酸铵镁,这是为什么,能具体说说吗 first of all 与at first实质区别别只给解释说下用法,是语法用法 after all 与at all与at first与first of all区别 the easiest way to touch someone's heart to reach out and hold their hand.帮我翻译一下。 I would like so much to reach out and touch you in loneliness 翻译成中文什意思 Every time?just when I can reach out and almost touch you .you disappear这句是什么意思呢? reach 和 touch 区别是什么?我在儿子的书上看到,I can reach my toes and touch the ground with my hands.I can touch the leaves.这二词有什么区别吗? Reach out your hands and help others and you welcome to our wedding 的意思是什么? Welcome to our Welcome To our show是什么意思 Welcome To our 无标准答案的 [L1,L2（部分)]L11.Choose the correct word:b Boeing 747’s (is – are – were) manufactured in Seattle.e Your final test (is – was – will be) corrected by your teacher.f Faults (is – are – were) prevented by good maint 初三英语试题 我要标准答案43.What happened ________ him?His leg has broken.A.to B.with C.of44.Hurry up,he ________ for us at the station.A.must wait B.must be waiting C.should wait45.Ride slowly,please.There is ________ traffic at the time 2010湖南英语三级标准答案及试题急求 take out 和 put out的区别?reach 和 catch的区别?The wind blew his hat into the river.He (took) put out his hand and tried to (catch) reach it but he could not so he jumped into the river and got it.句子中打括号的词为什么不用?take take that的Patience歌词要是有中文翻译就更好了, 谁能帮我翻译一下Take That的Patience的歌词啊~Patience Take That Just have a little patience I'm still hurting from a love I lost, I'm feeling your frustration. Any minute all the pain will stop. Just hold me close inside your arms tonight 如何判断烯烃上碳原子在同一平面上 请问:由联轴器连接的水泵和电机,电机的实际效率怎样计算 泵实际做功效率怎么计算? 1956年,1978年有两件大事推动了中国社会的历史性转折,是哪两件大事,为什么会成为历史性转折的大事? 1976年到1978中国进入了怎样的历史新时期 1mol两种气态烃混合气体燃烧生成2molCO2,4.5g水两种气体可能是 两种气态烃组成的混合气体0.1mol,完全燃烧得3.36L(标况下）CO2和4.5g水,下列说法正确的是A一定没有乙烯 B 一定有乙烷 C 可能有正戊烷 D是一种气态烷烃和一种气态烯烃 CBD是什么意思?