若关于x的一元二次方程(x-k)2=1-2k有实数根,则k的取值范围是______.
根据题意得1-2k≥0,
解得k≤12.
故答案为k≤12.
Originally introduced by Netscape Communications, (1) are a general mechanism which HTFP Server side applications, such as CGI (2) , can use to both store and retrieve information on the HTTP (3) side of the connection. Basically, Cookies can be used to compensate for the (4) nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based (5) .
A.Client
B.Editor
C.Creator
D.Server
下列不属于自我认知要素中社会自我内容的是()。
A.对自己的社会地位的认知评价
B.对与他人关系的认知和评价
C.引人注目、讨好别人、追求名誉、爱与隶属等
D.对自己的智慧的认知与评价