用配方法解方程x2+6x+3=0,方程可变为(x+3)2= _________ 发布时间:2017-04-18 16:38 │ 来源:www.tikuol.com 题型:填空题 问题: 用配方法解方程x2+6x+3=0,方程可变为(x+3)2= _________ .
题型:填空题 阅读下列对话,选择正确单词。Word List: best, beautifully, hurts, too, loudly, either, softly, singer, know, hearLi Ming: Do you like karaoke?Liu Fang: Yes, I _________ a karaoke restaurant. Come on!Li Ming: Look at the woman. She can sing high, but she sings too _________. I can't _________ her.Liu Fang: I can't hear her _________.Li Ming: The short man sings _________, but he is a bad _________.Liu Fang: Oh! That _________ my ears. Li Ming: The little girl sings _________.Liu Fang: I think so, _________. She sings _________. 查看答案
题型:填空题 All of the following would occur during the closure of the project EXCEPT ().A.creating lessons learnedB.formal acceptanceC.reducing resource spendingD.performing benefit cost analysis 查看答案
题型:填空题 依据《烟花爆竹安全管理条例》的规定,安全生产监督管理部门应当自受理申请之日起()d内对提交的有关材料和经营场所进行审查,符合条件的,核发烟花爆竹(批发)经营许可证。A.15B.20C.30D.45 查看答案