单项选择题 植入器械是指借助外科手术把器械留在体内至少（）
单项选择题 在下面的选项中哪种不属于网页设计的范围？（）
多项选择题 Your network contains a server that runs Windows Server 2008 R2. You need to schedule backups of the server. The solution must ensure that multiple versions of the backup are available. Which two possible backup locations should you use？（）
