asmoke alarms are tools that can tell if there is fire in the air. a smoke alarm looks like a small dish or dinner plate. a smoke alarm makes a very noise. put clothes, towels or blankeys on a lamp or heaters. it can't start fire. when you hear fire alarm,get out of the build...
aDear Dr. Ko: Thank you very much for your E-Mail of July 5 and wishes to do some things for cancer prevention and control with especially screening project of the cervix uteri cancer in China. 亲爱的博士。 Ko : 谢谢7月5日和愿望您的电子邮件做有些事为癌症预防和控制以特别是筛选子宫颈子...
People often change the battery when they move into the house and then never touch it after that. The battery is supposed to be changed at least once every six months or so, but most of us don't. It's only when the smoke alarm goes off, you check it, you make sure you're not ...
Many models of smoke detectors have adjustable sensitivity settings. Some have a “hush” button will turn off the alarm andleave it off for 10 or 20 minutes. If your smoke alarm doesn’t have these feature, it might be time to upgrade. Change the batteries of your smoke detector Weak ba...
根据“The risk of dying in a house fire is cut in half with working smoke alarms”可知,烟雾报警器会降低火灾的死亡, 故答案是 A。 (2)细节理解题。根据“You may have as little as two minutes to escape (逃离) safely” 可知,故答案是 B。 (3)细节理解题。根据 “Create a fire escape p...
Many people find it difficult to make up their minds whether to change their career path. Section 2 Directions: Read the following passage, and then decide whether the statements are true(A) or false (B) (判断对错,对的在答题卡上画A, 错的在答题卡上画B。) Questions 56 to 60 are based...
How do smoke detectors work using alpha radiation? When an alpha particle is emitted, what happens to mass number? How are gamma rays produced? Why is alpha radiation used for smoke alarms? When does quantum tunneling occur? When does superposition occur?
11. Hardly had the basketball player scored a three-point shot when he injured his ankle and had to leave the game. 12. Hardly had the project team finished their presentation when the boss announced a last-minute change in plans. 13. Hardly had the choir finished singing their final note...
however, or don't want to change the property once you move in, it's certainly a safety issue to be aware of. Not being able to see where you're going clearly can lead to all kinds of injuries, so you'll need to add some lamps or other types of additional lighting at the very ...
Things to avoid if you have Dementia: A sudden change in your environment can be extremely confusing. Moving furniture or changing rooms is difficult to adjust to. Avoid places that are too noisy or too crowded. Don’t allow multiple care givers at the same time as it is too confusing. ...