The new study in pregnant women who were not infected with the AIDS virus found that multivitamins reduced the risk of low birth weight. Just under eight percent of the babies born to women who took the multivitamins weighed less than 2,500 grams. The rate was almost nine and one-half percent in the group of women who received a placebo, an inactive pill, instead of the vitamins. But the vitamins did not do much to reduce the rates of babies being born too early or dying while still a fetus. Still, the researchers say multivitamins should be considered for all pregnant women in developing countries.
练习:
1. How many babies are born with low birth weight in the developed countries every year according to WHO?
A 20,000,000.
B 18,000,000.
C 2,000,000.
D 38,000,000.
2. A pill of multivitamins may contain all of the following substances EXCEPT
A all vitamins in the B group.
B vitamins C and E.
C much iron and folate.
D antiviral substances.
3. Which of the following is NOT one of the effects of multivitamins mentioned in the passage?
A To reduce the rate of babies born too early.
B To reduce the risk of low birth weight.
C To reduce fetal deaths in pregnant women infected with HIV.
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