多项选择题
A. Temperature
B. Intensity of lighting
C. Barometric pressure
D. Humidity level
E. Elevation
单项选择题 Which of the following displays uses gas as a method for projecting an image?（）
单项选择题 After a technician installs a video card, which of the following should the technician configure NEXT?（）
单项选择题 A technician would like to load an operating system CD on startup. Which of the following settings would a technician change in the BIOS?（）