吸入苯的蒸气后,发现面部潮红、眩晕、步态不稳是急性苯中毒的表现()
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《船上油污应急计划》的编制必须做到确切、实用、便于操作()
A. 对
B. 错
船舶进港或在码头停靠后,禁止擅自进行液货舱驱气和清洗作业()
A. 对
B. 错
Onaweathermap,alargeletterHmeans()
A. a high pressure area with cool, dry air, and fair weather
B. a high pressure area with warm, moist air, and inclement weather
C. latitudes, with rough seas and strong winds
D. a heavy squall line near the H
经受过一次冲击的安全帽,可以再次使用。()
A. 正确
B. 错误