A natural disaster may cause power outages. What can we do during a power outage? A. Use candles carelessly. B. Keep flashlights handy. C. Play with fire. D. Disconnect E. lectrical appliances carelessly. 相关知识点: 试题来源: 解析 B。本题考查在停电时的正确做法。选项 B“准备好手电筒...
camping lamp is preferable, but any reliable flashlight can be a lifesaver in a power outage. Keeping spare batteries in the bed table is advisable so you don't have to go searching for them in a darkened dwelling. Often, hotels will have emergency lamps to help visitors...
While most storms don’t guarantee a power outage, knowing when a big one is coming will help you be prepared. Severe storms knock trees into power lines or cause other disruptions to power systems. Have an Emergency Kit Stock your home with supplies that will help you get through a power...
A. Complain loudly. B. Wait patiently. C. Run around in panic. D. Do nothing. 相关知识点: 试题来源: 解析 B。社区停电时,我们应该耐心等待,A 选项大声抱怨无济于事,C 选项惊慌地跑来跑去不好,D 选项什么都不做也不合适。反馈 收藏
In case of a sudden power outage in the meteorological station, what ___ the technicians do first? A. would B. should C. could D. will 相关知识点: 试题来源: 解析 B。本题考查句子结构中不同情态动词在特殊疑问句中的用法。选项B“should”表示应该,在气象站突然停电的情况下,询问技术人员首先...
(保持冷静并等待指示)是正确的态度。B 选项“Use a flashlight to find your way out.”(使用手电筒找到出路)可以保障安全。D 选项“Follow the emergency exit signs.”(遵循紧急出口标志)是明智的选择。C 选项“Try to repair the power supply yourself.”(自己尝试修理电源)是非常危险且不允许的。
When there is a power outage at home, what can you use for lighting? A. Candles. B. Flashlights. C. Lighters. D. Matches. 相关知识点: 试题来源: 解析 B。家里停电时,可以使用手电筒照明。A 选项蜡烛有火灾隐患;C 选项打火机和 D 选项火柴也有火灾隐患。反馈 收藏 ...
If there is a power outage during the competition, what is the most appropriate measure? A. Use candles for lighting. B. Continue the competition in the dark. C. Stop the competition and wait for the power to restore. D. Move the competition to an outdoor venue. 相关知识点: ...
And yes, a power outage often ends with a power surge. Should an electrical disaster leave your PC useless, you’ll want to protect your data, and then figure out what’s damaged. It’s easier and cheaper to replace a power supply than a whole computer. [Have a tech question? Ask...
Smaller power distribution facilities have fewer (or no) backup systems because they are cheaper and simpler to repair. However, the number one cause of power outages is the power lines themselves, since they are the most vulnerable and least protected elements in a power grid, especially in ar...