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最高价氧化物对应的水化物中,呈两性的化合物是?在原子序数为1~18的元素（除稀有气体）及其对应的化合物中选择. 铍的氧化物的水化物与NaOH反应 意思The most painful words in the world are "I love you,but...". The most painful words in the world are "I love you,but...". 爸爸比妈妈老用英语怎么说是The father is older my mother是对的吗 我想给妈妈买的礼物要花50元（英语） The ----- I want to ----- ----- my mother me 50 yuan. 我跟妈妈去逛超市的英语是：My mother and I___ ___ the supermarket.请帮忙填中间的单词, Mr.Green goes to America by plane every year同义句he usually has lunchat 12:30 (at 12:30是划线部分,对划线部分提问!） MR GREEN GOEA TO AMERCA BY PLANE EVERY YEAR的同义句 最高价氧化物的水化物为两性的氢氧化物的是在1-18号元素中 ( )1.____ are you going to Beijing?A.When B.Where C.What 请问Be是一种轻金属,它的氧化物对应水化物是两性氢氧化物这句话对不对 She has been in ( ) doctors describe as a vegetative state for six years选项:A what B which C that D how 英语翻译五个空 我妈妈是一位小学教师 英语没有 my mother is a taecher ( ) ( ) ( ) ( ) 英语作文my mother 希望不是在别的网站下的,希望是自己写的,谢谢 母亲很平凡但是很无私,很勤劳 最高价氧化物的水化物中呈两性的是?如题 Helping the old and the weak is a good verture,and (still ),it is necessary for us to do.为什么、 translate:I am so sick and tired ( ) is everything going?(When How Where What)选哪一个（）is everything going?(When How Where What)just fine! Ask them_and_they are going.A,when where B,whwn,what C,where,when ,D,when who选择?为什么? I can promise you nothing until I can`t love you any more I promise,I can make it ! 是什么意思 what's up there in the tree?oh,it's a kite. Nothing can i do nothing i can't get I am tired . THE OLD PEOPLE LIKE_____AFTER DINNER IT'S GOOD FOR TEIR HEALTH It is good to --- after dinner going,going to,do,what,where,when,am,is,are,i,you,we,they,he,she这几个词造问句,能多少照多少造! What fun is it ( )(play) sports outside with your friends at the weekend! 用going to ,going ,do ,what ,where ,when ,am ,is ,are ,i ,you ,we ,they ,he ,she造句,只能用这些词