The reason why so many people struggle with their eyesight in North Korea is because ? A. They don't wear sunglasses.
B. The sun doesn't shine there very often.
C. They lack affordable health care.
D. They suffer from starvation and malnutrition.

Which of the following is not an indication of being drowsy? a. heavy eyelids b. excessive blinking c. irritability d. joint pain

If you can't get enough sleep, you should a. close your eyes when stopped in traffic b. not drive, period c. drink extra coffee before you drive d. leave earlier so you can drive slower

The occupational safety and health administration promulgated a rule requiring warehouse employees to wear hardhats when in the vicinity of an operating forklift. the purpose of the hardhats is to protect employees from danger of falling objects. this rule is