.
第二節(jié)（共3小題；每小題2分，滿分6分）
閱讀下面短文，簡(jiǎn)要回答問(wèn)題。
The World Health Organization estimates (估計(jì)) 20,000,000 babies are born too small each year. It says a baby weighing less than 2,500 grams at birth has a less than desirable weight for good health. 95 percent of such children are born in developing countries.
One recent study shows that pregnant (懷孕的) women in developing countries have healthier babies if the women are given vitamins. Researchers from the United States and Tanzania found that vitamins could help reduce low birth weight. Their findings were reported last month in The New England Journal of Medicine.
Wafaie Fawzi of the Harvard School of Public Health led the study. Professor Fawzi says low birth weight can cause serious health problems in babies. He says low birth weight has been linked to poor growth and mental development, and even early death.
There are fourteen kinds of vitamins. People who do not get enough of these chemicals in their food, or want more, often take multivitamins (多種維生素).In the study, multivitamin pills were given to 4,200 pregnant Tanzanian women.The pills contained all the Bvitamins,as well as vitamins C and E. They also embodied iron and other nutrients in levels several times higher than advised for women in industrial nations.
Four thousand other women received a harmless substance(物質(zhì)). None of the women had the virus that causes the disease AIDS.
68．On what condition can pregnant women in developing countries have healthier babies?
___________________________________________________________________________ 
69．According to Fawzi, what results will low birth weight lead to?(回答詞數(shù)不超過(guò)10個(gè))
______________________________________________________________________________
70．What is the main idea of the passage?(回答詞數(shù)不超過(guò)8個(gè))
___________________________________________________________________________ 

68.on condition that / if the women are given vitamins
69.poor growth ，mental development and even early death
70.vitamins help reduce low birth weight
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第三部分：閱讀理解（共15小題，每題2分，滿分30分）
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第二節(jié)（共5小題；每小題2分，滿分10分）
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