computer health

1. Our twentieth century lifestyle . a. means we should not use computers b. means we need to exercise to maintain good health c. is killing us Answerb

2. This site shows us .a. how to use a computer b. how to be healthy c. how to sit at a computer and how to exercise so that we don't injure ourselves Answerc

3. If you are relaxed .a. your collarbones are horizontal b. your collarbones are oblique c. your collar bones are vertical Answera

4. You should sit . a. with your bottom forward on your seat b. with your chin pushed forward c. neither of the above Answerc

5. The monitor should be . a. at elbow level b. at eye level c. clean Answerb

6. Your feet should be . a. straight b. clean c. flat on the floor Answerc

7. If you don't take note of your posture, and you don't do some stretches and take regular breaks you . a. won't be able to make a snack b. may develop bad habits c. may suffer a serious injury Answerc

8. You'll feel a stretch down one side of your neck if . a. you bend your head towards your armpit b. you do lots of exercises c. you put your head in your armpit Answera

9. This site . a. is about using the Internet b. suggests 6 different stretches you could do c. is for people who are sick Answerb

10. Our twentieth century lifestyles . a. are not too expensive b. are not too busy c. are not ideal for our health