微生物吸收养料的方式及特点和代表？
A customer wants to have employees work from remote locations as well as in the office. All communications must be secure and files must be protected from access by unauthorized people. The employee’s applications （database inserts and reads） are only accessed with a web browser. Which of the following capabilities is necessary？（） ["SSL","PGP","File encryption program","Public key encryptio"]
无形资产能存在于其载体的前提是（）。 ["能带来正常的利润","能带来超额利润","能带来垄断利润","能带来潜在利润"]
An administrator is applying a corrective service to their HMC. The corrective service has been shipped on 3 DVDs. Which action will ensure the corrective service is correctly installed？（）
幼儿园公共关系是一种管理职能，在幼儿园工作中发挥着内促团结、外求发展的重要作用，幼儿园公共关系的核心是幼儿园与（）的关系。 ["与教职工","与家长","与社区","与姊妹园"]
简述维持与改善关节活动范围的训练方法的适应证和禁忌证。
