Smoke alarms（報(bào)警器） House fires cause many deaths each year and a large number of these fires are unfortunately set by children． （1）

D

D

Kids must understand that they'd better not play with fire．You should keep matches and lighters out of their reach．
   （2）

E

E

The main job of such an alarm is to protect you while you're asleep．You should have a smoke alarm outside each bedroom and on each floor of your home．You ought to have two plans for getting out of your house if there is a fire and practise these plans in the dark with your family．
   A smoke alarm warns you of the danger． （3）

B

B

Take action immediately．When you come to a closed door，check it with the back of your hand．If it feels hot，there may be smoke or fire behind the door，so take care．Once you are out of your house，call the fire department from a neighbor's house．If a family member or a pet is caught inside，you shouldn't go back in．Firemen know how to perform rescues safely
   （4）

C

C

Change the batteries at least once a year．You should use the test button each month to see if the alarm and batteries are still working．A smoke alarm lasts about ten years．You ought to change it even if it seems to be working．
   About two out of three fire deaths happen in homes with no working smoke alarms． （5）

A

A

A．Most of these deaths can be avoided.
B．But when you hear it，you don't have much time.
C．A smoke alarm is only good if it's working properly.
D．So，it's important to teach them that fire is a tool，not a toy.
E．A smoke alarm greatly reduces your chances of being hurt in a fire.