第18题: [多项选择]Which of the following environmental factors are MOST important to monitor in order to protectcomputer equipment?() A. Temperature B. Intensity of lighting C. Barometric pressure D. Humidity level E. Elevation 参考答案:A,D
第19题: [单项选择]汽车公害不包含下列哪项()。 A. 排放污染物 B. 放射性污染物 C. 电磁波 D. 噪声 参考答案:B