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  3. 共用题干 第一篇US to Start$3.2 Billion Child Health Study in JanuaryA stu街that will...

共用题干 第一篇US to Start$3.2 Billion Child Health Study in JanuaryA stu街that will...

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问题 共用题干
第一篇

US to Start$3.2 Billion Child Health Study in January

A stu街that will cost $3.2 billion and last more than two decades to track the health of 100,000 US children from before birth to age 21 will be launched in January,US health officials said on Friday.
Officials from the US government's National Institutes of Health said they hope the study,to be conducted at 105 locations throughout the United States,can help identify early-life influences that affect later development,with the goal of learning new ways to treat or prevent illness.The study will examine hereditary（遗传的）and environmental factors such as exposure to certamn chemicals that affect health.Researchers will collect genetic and biological samples from people in the study as well as samples from the homes of the women and their babies including air,water,dust and materials used to construct their residences,the NIH said.
Officials said more than $200 million has been spent already and the study is projected to cost $3.2 billion."We anticipate that in the long term（从长远说来）,what we learn from the study will result in a significant savings in the nation's health care costs,"Dr. Duane Alexander,who heads the NIH's Eunice Kennedy Shriver National Institute of Child Health and Human Development,told reporters.The study will begin in January when the University of North Carolina and the Mount Sinai School of Medicine in New York start signing up pregnant women whose babies will then be followed to age 21.
Some of the early findings will be about factors behind preterm birth（早产）,which has become more common in recent years,according to Dr. Peter Scheidt of the NIH,who heads the study.The people taking part will be from rural,urban and suburban areas,from all income and educational levels and from all racial groups,the NIH said.
选项 The babies of the participants will be followed_______.
A:throughout their lives
B:for more than two decades
C:from birth to 21 months
D:until they get married
答案B
解析短文的第二段提到了此项研究的目标：learning new ways to treat or preventillness.
前三项在短文的第四段都有提及，第四项应该是“参加研究的妇女及婴儿家中的空气与水等物质，”而不是“医院中的空气与水”。
短文的第六段说，从长远的角度讲，此项研究将有利于国家卫生保健费用开支的节约。
短文的第一段以及倒数第三段都说到，这些婴儿将从出生前一直被跟踪到21岁。
前三项在短文的最后一段都有提及，只有第四项是错误的，不可能是所有年龄段的人。
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