Some athletes use caffeine to-最需题库

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1Caffeine is used to
A.reduce high blood pressure.
B.relieve headaches.
C.cure liver cancer.
D.treat skin cancer.
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2Drinking coffee or tea may help
A.lower the incidence of being overweight.
B.lower the incidence of non-melanoma skin cancer.
C.increase the incidence of endometrial cancer.
D.increase the incidence of liver cancer.
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3Today, many countries are
A.using the principles of GNH to measure their progress.
B.woking together to develop a common scale to measure GNH.
C.taking both Bhutan and Brazil as symbols for social progress.
D.trying to find their own ways to measure happiness.
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4According to GNH, people are happier if they
A.have new tecnology.
B.can change their religion.
C.have a good, stable government.
D.have more money.
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5A country shows its progress with GNP by
A.selling more products.
B.spending more money.
C.spending less money.
D.providing more jobs.
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6Caffeine withdrawal symptoms
A.can become an ongoing problem.
B.may last as long as a week.
C.are weight loss and mental disorder.
D.are usually short-lived.
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7Drinking three cups of coffee a day
A.may not be recommended by most doctors.
B.is harmful to healthy people.
C.will probably not cause problems.
D.may benefit sensitive peopl
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8John Hayes points out in a recent study that
A.it is healthy to eat food without salt.
B.many people reject low-salt food completely.
C.food with less salt tastes better.
D.many people accept low-salt tasteless food reluctantly.
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9The fourth paragraph describes briefly
A.the purpose of the study.
B.the analysis of the research results.
C.the research methodology.
D.the conclusion of the study.
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10The article argues that supertasters
A.like snack foods as saltiness is their primary flavor.
B.like the taste of saltiness to block sweet tastes in food.
C.consume less salt because they don't like intensive tastes.
D.like to share salty cheese with nontasters.
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