A fire-fighter _______ a good sense of smell will always be ______ than one without.

1. A.
   in; safe
2. B.
   in; safer
3. C.
   with; safe
4. D.
   with; safer

[　　]

Escaping a fire is a serious matter. If you know what to do during a fire, you can  __1__ a life. It is important to know the ways you can use and  __2__ them to everyone in the family, such as stairs and fire escapes(安全出口). You shouldn’t take lifts. From the lower floors of the building, escape __3__   windows is possible. Let’s learn the best way of leaving by window with the least chance of serious injury(受伤).
The first floor window is usually not very high from the  ___4____ . It is about the height of a man. Of course, it is safer to jump a short way than stay in a burning building.
Windows are also very useful when you are___5___ for help. Be sure to keep the door ___6__ before opening the window. If we don’t do that, ___7__and fire may come into the room. Keep your head low at the window to be sure you get__8__ fresh air instead of smoke.
On the second or third floor, the best windows for escape are those __9____open onto a roof. From the roof a person can drop to the ground more __10____ .Dropping onto the cement(水泥地) might end in injury. Trees and grass can help to break a fall.

A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s disappointment,she said she would go. This   16   be the first time that his classmates and teacher   17   his mother and he felt ashamed of her   18  . Although she was a beautiful woman, there was a scar(疤痕)that   19  nearly the right side of her face. The boy never wanted to   20  why or how she got the scar.
At the meeting, the people were impressed by the kindness and natural beauty of his mother in spite of the scar, but the little boy was still  21 and hid himself from everyone,  22   a conversation between his mother and the teacher.
The teacher asked   23 ,“How did you get the scar on your face?”
The mother answered,“When my son was a baby, he was in a room that caught fire. Everyone was   24  afraid to go in because the fire was   25   ，so I went in. As I was running toward his bed, I saw a piece of wood coming down and I placed myself over him trying to protect him. I was knocked senseless but   26  , a fireman came in and saved both of us.” She touched（摸着） the   27  side of her face. “This scar will be  28 ,but to this day, I have never regretted what I did.”
At this point, the little boy came out running toward his mother with tears in his eyes. He held her mother in his arms and   29   a great sense of the sacrifice(牺牲)that his mother had made for him. He held her hand tightly for the   30  of the day.