综合填空：用方框中所给单词的适当形式填空，使短文正确、通顺。

问题填空题

or put try back time every against chair easily relax

   Looking after your back If you want to have a strong healthy back, you should have good posture (姿势).
You should put the least stress (压力) on your 1______. If you have good posture, you won't get tired
2______ you won't get pain in your back；you will look good!
     When you are sitting down,
     ★ 3______ to keep your back straight.
     ★Don't cross your legs.
    ★Put your back 4______ the back of the chair.
    If you are working on a computer,
     ★Sit back and 5______ your arms out to the keyboard.
     ★Bring your 6______ up close to the keyboard so that you can rest your arms on the chair 7______ desk.
Keep your shoulders 8______.
   ★You need to rest and move around 9______ 30 minutes to let your body relax.
     ★Try bending (弯) back a few 10______ to help your body relax.

答案

1. back 2. easily 3. Try 4. against 5. put　

6. chair 7. or 8. relax 9. every 10. times