16
A. Four to five hours
B. Two to four hours
C. More than six hours
D. Only three hours
17
A. It is widely used in Asia
B. It lets people stand while they work
C. It is an exercise machine
D. It is designed to watch TV while lying on the bed
18
A. Grant the employees a long holiday to relax
B. Hire more employees to increase productivity
C. Prepare some televisions for employees to entertain
D. Prepare some standing desks or treadmill desks for employees
19
A. Quit the job as soon as possible
B. Get up from our desks as often as we can
Communicate with our colleagues by email
D. Take an afternoon nap after lunch
20
A. Your resume has been well prepared
B. Your professor has made recommendation for you
C. The job-hunting site has a privacy policy
D. The job-hunting site has a large number of visitors
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