综合安全技术
本部分共10小题,每小题1分。每题的备选项中只有一个最符合题意。
根据砂轮机的安全技术要求,下列选项中砂轮机的使用不正确的有()。
A. 禁止侧面磨削
B. 不准正面操作
C. 不准共同操作
D. 禁止正面磨削
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如天花板的高度较小,可在疏散门的两侧墙上设置疏散标志牌,标志的中心点距地面高度应在()m之间。
A. 1.10~1.30
B. 1.20~1.50
C. 1.30~1.50
D. 1.50~2.00
一切防火措施都是为了防止燃烧的3个条件同时存在,所能采取的基本措施不包括()。
A. 控制可燃物
B. 隔绝助燃物
C. 减少点火源
D. 阻止火势蔓延
Which of the following is beneficial to the hitchhiker's safety?
A. Check out the driver's I. D.
B. Make sure there is extra space in the car.
C. Only hitch with the long-distance transportation cars.
D. Use common sense and intelligence to judge the situation.
According to the last paragraph, when someone wants to get a ride, ______.
A. he must look like a patient
B. he'd better do it with his family
C. those who drive along may not be a good choice
D. a little money should be paid for the extra room