单项选择题 You have a computer that runs Windows Vista Ultimate. You open the Windows System Performance Rating tool and receive a Windows Experience Index base score of 1.0. The subscores are as follows: ·Processor: 4.7 ·Memory (RAM): 3.6 ·Graphics: 1.0 ·Gaming Graphics: 1.0 ·Primary Hard Disk: 3.0 You upgrade your video adapter card with a new card that meets the minimum requirements for Windows Aero. You open the System Performance and Rating tool and notice the base score and subscores have not changed. You need to enable Windows Aero. What should you do?（）

单项选择题 You need to verify whether your computer can obtain all of the latest operating system updates. What should you do?（）

多项选择题 Your computer hardware supports Microsoft Windows Aero Experience. The transparency feature does not appear to be enabled. You need to use the transparency feature. What are the two possible ways to achieve this goal?（）