Case 16-1 Jack Is a Computer Programmer Who Spends Most of the of the Day

question 38

Multiple Choice

Case 16-1
Jack is a computer programmer who spends most of the day at his desk.Recently,he visited the doctor to get advice about persistent eyestrain and an aching back.
-To combat his backache,Jack's doctor advised him to ____.

• A)use a footrest
• B)use a lower screen resolution
• C)turn down the volume when using headphones
• D)use a light touch on the keyboard

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