4. Which of the following is mentioned as a way to add movement?
A. Getting a quality chair.
B. Driving to work every day.
C. Having a regular break.
D. Taking the stairs in the building,
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3. Regular movement throughout the day will ________.
A. enable you to sleep soundly
B. reduce your work efficiency
C. do harm to your health
D. make you feel refreshed
2. In the author's opinion, healthy people are likely to ________.
A. buy more products
B. consume fewer resources
C. have fewer sick days
D. be promoted faster
15. I am trying to ________ her to go to a doctor, but I need to show her why she should go.
A. believe
B. ensure
C. convince
D. conceive
14. The lake near our school, ________ with boats, looks very beautiful in summer.
A. covered
B. dotted
C. paved
D. floated