A．restedB．basedC．foundedD．concentrated
A. rested
B. based
C. founded
D. concentrated
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A．Not use any electric appliances any more.B．Take part in a basketball final.C．Ask his
A. Not use any electric appliances any more.
B. Take part in a basketball final.
C. Ask his neighbor to check the power.
D. Watch a ball game on television.
What is true about the research mentioned in the beginning of the passage？
A. The participants were investigated for 6 years between ages 51 to 61.
B. The participants answered questions at the start of the study.
C. The participants who kept working were in better shape than the others.
D. All kinds of jobs would be good for people as long as they kept working.
What is true about the study of 1,000 people born in 1920？
A. It shows working is also good for people's physical health.
B. The participants were tracked over a 14-year period and then investigated at 70.
C. Retirees will live another 12 years if they keep on working.
D. It finds the 70-year-olds would increase by 2.5 times to be alive at age 82 if they kept working.
A．typicallyB．simplyC．fairlyD．perfectly
A. typically
B. simply
C. fairly
D. perfectly
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