ATTENTION: Certain experiments require the handling of hazardous chemicals and materials. Please be familiar with the following emergency procedures. GET AWAY. Extinguish any ignition sources (burners, appliances, etc.) and move to a safe distance. 2. DETERMINE the substance spilled, extent of the spill and degree of hazard. Block off the area. 3. GET HELP. if the spill cannot be handled safely using the equipment and personnel present, activate fire alarm and call 911 for emergency assistance and Security at 777. 4. ASSESS INJURIES. If anyone is injured, call 911. 5. CLEAN UP SPILLWITH PROPER EQUIPMENT AND MATERIALS. Select proper personal protective equipment and clean-up materials for the spill. Place contaminated materials in a container designated for hazardous waste. 6. DISPOSAL. Contact Environmental Health and Safety personnel. Absorbed materials remain hazardous. Treat them with care.
单选题
Where would this notice be posted? A. In a restaurant kitchen B. In a health food store C. In a laboratory D. In a garage
【正确答案】
C
【答案解析】通告的标题是“化学品少量溢出时的紧急处理步骤”，正文中又提到“Certain experiments require the handling of hazardous chemicals and materials(有些实验需要对危险化学品和材料进行处理。)”，因此这个通知只可能贴在实验室里(C)，而不是餐馆厨房(A)、保健食品商店(B)或车库(D)。
单选题
In case of a spill, what should be done first? A. Put on protective gear B. Contact the janitor C. Turn off open flames and electrical sources D. Call the fire department
【正确答案】
C
【答案解析】通告的第一条写到：“Extinguish any ignition sources(burners, appliances, etc)and move to a safe distance．(熄灭任何火源(炉子、设备等)，然后离开一段安全距离。)”，所以在化学品少量溢出的情况下，首先要做的是扑灭明火并关掉电源(C)。后面才提到使用防护装备(A)和给消防部门打电话(D)，但未提及联系门卫(B)。
单选题
How should contaminated materials be disposed of? A. They should be burned. B. They should be rinsed thoroughly with water. C. They should be placed outside. D. They should be placed in special containers.
【正确答案】
D
【答案解析】第五条写到：“Place contaminated materials in a container designated for hazardous waste.(把被污染的材料放到指定存放危险废品的容器中)”，所以处理被污染材料的方式是把它们放到特殊的容器中(D)。文中未提到燃烧(A)、用水彻底漂洗(B)或放置在室外(C)。