45 How often should the smoke alarm be checked?
(A) Every six months
(B) At least once a year
(C) Once a month
(D) Every day

Most fatal致命的, 災難性 fires occur at night. Every home needs working smoke alarms to provide an early warning.

Install smoke alarms in all sleeping rooms, hallways that lead to sleeping areas, basements, and each additional外加的，附加 level of your home.

Do not install near draft計劃, 草案；草稿 areas such as windows and vent開口, 通風口；排氣口.  

Keep your smoke alarm working.

Change the batteries every six months and vacuum空間, 真空, 缺乏 at least once a year.

Dust and cobweb蜘蛛網 can impair損害，削弱 sensitivity.

Remember to check your smoke alarm once a month.

Prepare and practice an escape plan!

Crawl移動, 緩慢移動；艱難前行；爬行；匍匐 low under smoke.

Plan where to meet outside.

Once You’re Out, stay out留在户外； 不在家中!

Remember, almost every day a smoke alarm helps save someone’s life.

It’s up to you to protect yourself and your family.