问题
单项选择题
事故预警的目标是通过对安全管理和( )进行监测与评价，警示生产过程中所面临的危害程度。
A．信息管理
B．危险源
C．危险对象
D．生产活动
答案
参考答案：D
解析： 事故预警的目标是通过对生产活动和安全管理进行监测与评价，警示生产过程中所面临的危害程度。
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事故预警的目标是通过对安全管理和( )进行监测与评价，警示生产过程中所面临的危害程度。
A．信息管理
B．危险源
C．危险对象
D．生产活动
参考答案：D
解析： 事故预警的目标是通过对生产活动和安全管理进行监测与评价，警示生产过程中所面临的危害程度。
More and more Americans are going to work by bike. Do you know why more people are 41 bikes to work? We can answer the question in 42 ways. First, bikes don’t need gasoline (汽油), so it takes 43 money to use them. Second, a bike doesn’t 44 much space (空间), so it is 45 to find a place for it. And riding a bike is good for one’s 46 . People often drive their 47 to offices or to shops, but now people think riding bikes is a good way of doing sports. That’s 48 more Americans are now riding to work 49 bike, and they are 50 their own cars at home.
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