The first study on 41 elderly people found ______.
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A who were 10 B who were 14 C who were 10 to 14 D who were 10 to 18
2 .What kind of institution does the lead researcher work with?
A A school B A hospital C An association D A charity
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A lead to an eating disorder B result from self-induced vomiting C make it easier to gain weight D bring about greater competition
4 .Walking regularly helps elderly people ______.
A lose weight B become happier C concentrate better D look younger
5 .After taking exercise for a few weeks, the mice were found to have _____.
A higher blood pressure B faster heartbeat C more blood flow to the brain D better appearance
7 .It can be good for health when one takes a walk every 2 or 3 days for at least ______.
A 3 minutes B 45 minutes C 30 minutes D 10 minutes
8 .It is suggested in the last paragraph that people should ______.
A run around once a week B not read and walk at the same time C go for a walk every day D not hurt their friends while exercising
9 .In a big city, cars are less important than buses because ______.
A cars carry far fewer people. B car travel is less exciting. C cars are more expensive. D cars are inconvenient.
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