Questions 31-37
Vitamins, which maintain and facilitate the body's various functions, are an important part of
our diet. Many people take vitamin supplements to help them.__(31)__aily allowance. However,
recent researches have recommended that people who take vitamin supplements may be getting
too much of a good thing.
Many of the foods we eat already have vitamin.__(32)__ added to them. People drinking a
glass of orange juice may think that they're only getting a dose of vitamin C. In fact, they are also
getting added calcium and vitamin D. Breakfast cereal alone provides more than half a person's
daily allowance of some vitamins.__(33)___ hese levels with supplements can cause some side
effects.
According to the Office of Dietary supplement in the US, too much vitamin A can cause
headaches and affect bone strength. Too much iron can affect the liver and__(34)__ npleasant
vomiting. Vitamin supplements are not__(35)__ the same strict tests as medicine, which makes
knowing what's really in them problematic. Besides, they are not tested for safety or effectiveness
because they are not considered a__(36)__for disease. If you feel that you must take vitamin supplements, nutritionists suggest taking them
in__(37)__doses. This means that if you take a calcium pill, you shouldn't drink too much milk.
They also advise against excessive intake, such as eating three energy bars for breakfast and then
taking a dose of vitamin A. If your diet is relatively balanced, chances are you are already OK
where vitamins are concerned.
【題組】31.
(A) informed
(B) civilized
(C) unexpected
(D) recommended