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二、单项选择题1.汽车综合性能检测站多采用( )测量汽车排气污染物。A.化学发光分析仪和消光式烟度计B.氢火焰离子型分析仪和黑烟测定器C.非分散型红外线分析仪和滤纸式烟度计2.1995年7月1日以后生产的在用轻型汽油车的怠速排气污染物中HC的排放量应不超过( )×10~(-6)。
Second, the individual multiple-choice questions 1. Comprehensive car performance testing stations to use more () measurement of vehicle exhaust pollutants. A. Chemiluminescence analyzer and extinction smoke meter B. Hydrogen flame ionization analyzer and smoke detector C. Non-dispersive infrared analyzer and filter paper smoke meter 2. July 1, 1995 after the production of the use of Light gasoline vehicles idling exhaust emissions of HC should not exceed () × 10 ~ (-6).