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

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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

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Mass media have helped to _________ people’s awareness of lifestyle choices.
A.rise
B.increase
C.raise
D.lift

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His house is _______ mine.
A.twice as big as
B.as twice big as
C.as big as twice
D.as two times big as

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.
9. The Mekong Delta is _______ deltas in Vietnam.
 
A.the largest of the two
B.one of the two largest
C.the more larger of the two
D.one of the two larger