A. Light a match to check. B. Open the windows and doors immediately. C. Use electrical appliances as usual. D. Do nothing and wait for someone E. lse to deal with it. 相关知识点: 试题来源: 解析 B。解析:本题考查燃气泄漏的应对方法。A 选项“点燃火柴检查”会引发爆炸;C 选项“照...
There is a gas leak in your neighborhood. What can you say to your neighbors? A. “Don't worry, it will be fine.” B. “Evacuate quickly.” C. “Stay and see if it gets worse.” D. “Ignore it.” 相关知识点: 试题来源: 解析 B。有煤气泄漏应该迅速撤离,A 选项只是安慰但不安全...
A. Light a match to see where the leak is. B. Open the windows and doors. C. Continue working as usual. D. Turn off all the lights. 相关知识点: 试题来源: 解析 B。解析:实验室有气体泄漏时,应打开门窗通风。A 选项点火柴会引发爆炸;C 选项继续工作很危险;D 选项关灯与处理气体泄漏无关。
A. Light a candle. B. Open the windows. C. Turn on the TV. D. Use the phone. 相关知识点: 试题来源: 解析 B。如果家里有煤气泄漏应该打开窗户通风。选项 A 点蜡烛很危险。选项 C 开电视可能产生火花引发危险。选项 D 用电话也可能产生火花。强调遇到煤气泄漏要正确处理保证安全。反馈...
B. Light a match to check the source of the leak. C. Evacuate the laboratory immediately. D. Try to fix the leak by yourself. 相关知识点: 试题来源: 解析 C。本题有关实验室气体泄漏的处理。选项 A,打开所有门窗是后续步骤,但不是首要的。选项 B,点燃火柴检查泄漏源是极度危险的行为。选项 C...
A. Open the windows. B. Turn off the gas valve. C. Use electrical appliances. D. Leave the house quickly. 相关知识点: 试题来源: 解析 C。家里有煤气泄漏时,不能使用电器,以免产生电火花引起爆炸。A 选项打开窗户通风是正确的;B 选项关闭煤气阀门也是正确的;D 选项快速离开房子也是正确的应对方法...
A. Light a match to see where the leak is coming from. B. Open all the windows and doors and evacuate. C. Continue working as if nothing happened. D. Try to fix the leak by yourself. 相关知识点: 试题来源: 解析 B。解析:如果实验室有气体泄漏,应打开所有门窗并疏散。A 选项点燃火柴查...
A. Light a match to see if there is gas. B. Open the windows and doors immediately. C. Continue working as usual. D. Use a fan to blow the gas away. 相关知识点: 试题来源: 解析 B。解析:实验室有煤气泄漏时,应该立即打开门窗。A 选项点燃火柴查看是否有煤气非常危险;C 选项继续正常工作不...
A. Light a match to check where the leak is. B. Continue working as usual. C. Open all the windows and doors immediately and report to the teacher. D. Use a fan to blow away the gas quickly. 相关知识点: 试题来源: 解析 C。实验室发生气体泄漏时,应立即打开所有门窗并报告老师,A 点...
A. Light a match to see if there is gas. B. Open the windows and doors and leave the laboratory quickly. C. Try to find the source of the leak and fix it. D. Continue your E. xperiment. 相关知识点: 试题来源: 解析 B。实验室发生煤气泄漏时,应打开门窗并迅速离开。选项 A 点火柴非...