No family wants its home to catch fire, but it's good to plan for a fire just in case （以防万一）. Talk with your family about  36 to do if a fire starts.   37  should have a plan for getting out of the house. Be sure to choose a safe place to   38  after everyone gets away from the fire.
What should you do   39  there is a fire?  First,   40  people know about the fire. Yell （叫喊） the word "fire". Knock on the walls with your hands.
Then   41  the door of your room. If the door is warm, don't open it. If it's cool, open it just enough to  42 . If you see fire or much smoke, close the door fast.
If you can't see fire or smoke, you can go out of the door. Shut the  43  behind you. That will slow down the fire. Now find a   44 out. Stay away from the smoke. The air is the  45  near the floor. So it   46  be the safest to crawl（爬）when you leave the house.
If you can't leave your room,  close your door. Cover the crack （缝隙） under the door
  47   clothing. Then open the window or   48  the glass with a chair. Crawl out, of the window   49 .If the window is high off the ground,   50 jump! Wave a towel out of the window, and yell for help. When you get out of the house, run to the place where you and your family chose to meet.

No family wants its home to catch fire, but it's good to plan for a fire just in case （以防万一）. Talk with your family about  36 to do if a fire starts.   37  should have a plan for getting out of the house. Be sure to choose a safe place to   38  after everyone gets away from the fire.

What should you do   39  there is a fire?  First,   40  people know about the fire. Yell （叫喊） the word "fire". Knock on the walls with your hands.

Then   41  the door of your room. If the door is warm, don't open it. If it's cool, open it just enough to  42 . If you see fire or much smoke, close the door fast.

If you can't see fire or smoke, you can go out of the door. Shut the  43  behind you. That will slow down the fire. Now find a   44 out. Stay away from the smoke. The air is the  45  near the floor. So it   46  be the safest to crawl（爬）when you leave the house.

If you can't leave your room,  close your door. Cover the crack （缝隙） under the door

  47   clothing. Then open the window or   48  the glass with a chair. Crawl out, of the window   49 .If the window is high off the ground,   50 jump! Wave a towel out of the window, and yell for help. When you get out of the house, run to the place where you and your family chose to meet.

Welcome to my home. This is our sitting-room(客厅). It is a big room. There is a big TV set in the middle(中间). The TV set is on a long table. There is a sofa in front of the TV set. Mother is sitting on the sofa, watching TV. Next to the sofa, there is a lamp

(灯). There is a washing-machine(洗衣机) in the corner(在····的角落) of the sitting room. On the machine, there is piece of beautiful cloth(布). There are some flowers on the window, the window is in the white wall. I like my home.

6. There aren’t any ____________ in the sitting room.

A. TV sets      B. desks      C. sofas

7. The TV set is __________ the sitting room.

A. in the middle of      B. in the corner of      C. in the front of

8. Are there any flowers on the window?

A. Yes, they are.       B. No, they aren’t.      C. Yes, there are.

9. Washing-machine is used for (用来做)________.

A. washing dishes      B. washing clothes    C. washing clothe

10.The sitting room is_________.

A. not good        B. small       C. big

Computers can injure (伤害) you. Most other injuries happen suddenly. For example, if you fall over a bike and break your arms, it happens very     . But computer injuries happen slowly. You probably know how to ride a bike safely. Now learn to use a computer safely.

Your eyes      light can injure your eyes,       never sit too close to a computer screen. Your eyes should be       50centimeters（厘米）on the screen.       remember to look away from it. This gives your eyes a rest. When you use a computer, the window         be on your left or your right. If it is behind you, the light will reflect on（反射）the screen. If the window is in front of you, the sun and the screen will        shine into your eyes.

Your hands and wrists(手腕)

Hand and wrist injuries can happen because the hands and wrists are moved in the same way. Hundreds of times. If you use a keyboard for a long time,         these three rules: 1）Rest your wrists on some­thing. 2）Keep your elbows（肘）at the same height as the keyboard. 3）Stop sometimes and exercise your hands, wrists and fingers in a different way.

Your back

Some people sit for many hours in front of a computer. If you sit in the wrong way, you can injure your back or your neck. So you should sit with your back straight. The top part of the screen should be in front of your eyes. Your forearms, wrists, hands and the upper part of your legs should all be parallel（平行）to the floor. If you are sitting for a long time, get up every 30 minutes and        your arms, legs and neck.      your computer, but use it safely.

1.A. much quickly      B. faster                 C. slowly              D. quickly

2.A. Too many       B. Too much            C. Much too             D. Many more

3.A. so               B. because      C. but                   D. when

4.A. at last                   B. at most     C. at least         D. less than

5.A. Sometime  B. Some time         C. Some times     D. Sometimes

6.A. can            B. may                       C. must           D. should

7.A. both                B. never      C. all           D. neither

8.A. follow             B. work          C. copy              D. write   

9.A. need               B. exercise              C. walk           D. shake

10.A. Enjoy      B. Watch                C. Protect             D. Keep