Freedman and his colleagues hired 400,000 Americans to collect date.
B.
People who took part in Freedman's research are about 50 to 70 years old.
C.
About 400, 000 Americans worked for Freedman's team for 13 years.
D.
People who are 50 to 70 years old seldom drink wffee.
【答案】B
【解析】根据文章中的They analyzed data collected from
more than
400,000 Americans ages 50 to 70 participating in the study.可知B正确。A错在没有more than;C错在忽视了定语从句those who drank at least two or three cups a day……;D项与文章内容不符。
【考点定位】考查细节理解。
65. According to the author, scientists________.
A.
have already proved that coffee is good for human health
B.
have a long way to go before they find a way to study coffee
C.
have avoided the cause-and-effect approach to study coffee
D.
are still unable to figure out why coffee is good for us
【答案】D
【解析】根据文章最后一段中的even if it turns out that coffee is really good for you, scientists have no idea why.可知D正确。
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