Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
_________ of people around the world has increased dramatically over the past years.
A.life expectancy
B.aging process
C.nutrition diet
D.immune system

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
In hot summer, you should wear _________ to protect your eyes.
A.sunglasses
B.shoes
C.goggles
D.shirts

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
After a series of tests, the doctor was able to make a _________.
A.plan
B.opinion
C.diagnosis
D.prediction

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
The last century’s advances such as the discovery of antibiotics and vaccines, and the development of medical imaging have _________ to longer life.
A.developed
B.linked
C.contributed
D.resulted

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
You should_________ doctor’s orders if you wear contact lenses.
A.find
B.learn
C.follow
D.go

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
People usually try _________ for mild health problems such as colds and hedaches.
A.natural remedies
B.life expectancy
C.immune system
D.nutrition diet

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
You should exercise regularly and eat less salt and fat to _________ your health.
A.prevent
B.stay
C.boost
D.learn

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Why is diet _________ with longevity?
A.linked
B.resulted
C.affected
D.influenced

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
Skin experts recommend _________ sunscreen with a sun protection factor of at least 15 (SPF 15).
A.wearing
B.doing
C.washing
D.facing

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
One of the most effective ways to keep your mind stress-free and healthy is _________.
A.immune system
B.aging process
C.meditation
D.cholesterol