6. After working on computers for long hours, you should ……… your eyes and relax.
A. sleep B. sleep in C. wake D. rest
7. Rob eats a lot of fast food and he ……… on a lot of weight.
A. takes B. puts C. spends D. brings
8. We need to spend less time ……… computer games.
A. play B. to play C. playing D. to playing
9. The first working product that uses a design is called a ……….
A. method B. technology C. redesign D. prototype
10. To ……… healthy, you need between 1,600 and 2,500 calories.
A. let B. stay C. make D. do
11. I ate too much seafood, so I had a/an ……… yesterday.
A. earache B. backache C. stomachache D. headache
12. Laughing is very good ………. your health.
A. for B. of C. at D. to
13. When you have a fever, you should drink more water, stay in bed and relax ……….
A. much B. more C. most D. less
14. After you test a prototype, you communicate information to other people. This
information is called ………
A. hypothesis B. the results C. a story D. an investigation
15. The doctor advised him to play more sports and ……… computer games.
A. more B. little C. less D. least