已知x=1是一元二次方程x2-2mx+1=0的一个解,则m的值是______. 发布时间:2017-04-24 13:45 │ 来源:www.tikuol.com 题型:填空题 问题: 已知x=1是一元二次方程x2-2mx+1=0的一个解,则m的值是______.
题型:填空题 选择方框内所给单词完成短文。leaves, buy, thank, has, late, driver, school, cheap, something, early, closed, friendly, floor, help, sell, dear, worry, evening Lin Hong is my new friend. Her father _____ (1) a shop near the factory. The things in his shop are all _____ (2). And his family are _____ (3) to the workers. So they like to buy _____ (4) there. It's Saturday today. Lin Hong doesn't go to _____ (5). She knows her father is busy and gets up _____ (6). She finishes her homework and then goes to the shop to _____ (7) her father. There're manypeople in it and she begins to _____ (8) pears, apples, oranges and drinks to the workers. A car stops near the shop. The _____ (9) comes in and buys some cakes and then _____ (10). Lin Hong finds his bag on the _____ (11). She runs with it, but she can't see his car. "Don't _____ (12)," says Mr. Lin. "I know Mr. Yang. We can take it to him this _____ (13)." It's nine and the shop is _____ (14). Lin Hong is tired. Lin Hong and her father go to Mr. Yang's. The man and his family _____ (15) them very much. 查看答案
题型:填空题 患者男性,32岁。婚后3年不育,做精液常规检查。患者精液生化检查结果中,不正常的是()A.精浆果糖11.5mmol/LB.精浆乳酸脱氢酶-X相对活性26.8%C.精子顶替酶活性38.4U/LD.精浆酸性磷酸酶232U/mlE.精浆锌186μg/ml 查看答案
题型:填空题 以下哪一个最好的描述了数字证书()A.等同于在网络上证明个人和公司身份的身份证B.浏览器的一标准特性,它使得黑客不能得知用户的身份C.网站要求用户使用用户名和密码登陆的安全机制D.伴随在线交易证明购买的收据 查看答案