科学观察
入党介绍人要认真了解申请人的思想、品质、经历和工作表现，向他解释（），说明党员的条件、义务和权利，并向党组织作出负责的报告。 ["党的路线方针政策","党的纲领和党的章程","党的奋斗历史","党的基本理论"]
A new switch is installed in the Testking network. This switch is to be configured sothat VLAN information will be automatically distributed to all the other Cisco Catalyst switches in the network. Which of the conditions below have to be met in order for this to occur?（） [" The switch that will share the VLAN information must be in the VTP Server mode."," The switches must be in the same VTP domain."," The switch that will share the VLAN information must be configured as the root bridge."," The switches must be configured to use the same VTP version."," The switches must be configured to use the same STP version."," The switches must be configured to use the same type of ID tagging."," The switches must be connected over VLAN trunks."]
You install Windows 2000 Professional on 10 computers that have Video Capture Cards installed. A user named Lilly reports that her video capture card is not functioning correctly. She wants to use her video capturing software to capture video frames, but she cannot view the video output. You use the Device Manager to view the hardware settings on Lilly’s Computer as shown in the exhibit. ou want Lilly to be able to capture the video frames by using the video capture card. What should you do?（） ["Use System in Control Panel to enable the device. ","Use Device Manager to update the driver for the device. ","Move the video capture card to a different PCI slot. ","Uninstall the device and disable plug and play detection for the device"]
简述微生物发酵产酶培养基的主要组分及其作用。
信息系统运作涉及到的人员有哪些？他们各自的职责是什么？
