它的上升会使保本点上升的项目是（）、（）。
简述述南北朝骈文和散文发展的情况。
酶的应用
下面几个软件中，是图形处理工具的是（） Photoshop。 暴风影音。 ACD See。 画图。
Which two statements about the Wi-Fi Multimedia （WMM） standard are true？（） Lower-priority traffic is assigned short interframe wait-timers to allow higher-priority traffic access to the wireless network first.。 Packets that are not assigned to a specific access category are categorized by default as the background access category.。 The WMM standard was implemented after the 802.11e standard was approved to provide support for non 802.11e devices.。 WMM is a Wi-Fi Alliance standard that was implemented before the 802.11e standard was approved.。 WMM uses Enhanced DCF （EDCF） to stipulate fixed and random wait times for the different access classes.。
下列关于流体粘性的说法正确的是（）
