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某有机化合物的分子式C3H7ON,加入NaOH溶液煮沸,则水解生成羧酸盐,并放出某气体,将此气体通入盐酸溶液后,得含氯量
初一语文上册第九课二、课文中那些话可以视为格言或警句,选一些抄在笔记本上,写
英语翻译1.it good tastes ( .)2.you but are something now plantin
I am going to visit my aunt tomorrow.(对画线部分提问)
sat语法 Most fashion designers agree
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—Your father’s birthday is coming. Why don’t you get him a pair of glasses? —_______. Glasses can help him see better. A.That’s too boring. B.That’s not creative enough. C.That sounds great. D.That’s not necessary.
中国中央电视台的缩略词是_______________ 。 [ ]
You sent my sister a present. Thank you very much for it. (将句子连接为定语从句)
从1到2004这2004个正整数中,共有______个数与四位数8866相加时,至少发生一次进位.
1.函数f(x)=sinxcosx的最小值=? 2.函数f(x)=sinx+sin(2x+π/2)的最大值=?