Which of the following is true about the CALERIE study？
A. It proves that calorie restriction works in humans.
B. It has 24 male subjects and the same number of female ones.
C. It is the first investigation into the effects of calorie restriction.
D. It lasted for six months and had the final results published.
查看答案
Migration here in the experiment is
A. a measuring tool.
B. a research methodology.
C. an independent variable.
D. a controlled condition.
Alfred Russel Wallace is mentioned in order to show
A. Darwin"s The Origin of Species was about to be scooped.
B. Darwin"s evolution theory was accepted among naturalists.
C. Darwin might not be the only one who had the idea of evolution.
Darwin"s achievement was founded upon natural researches.
The word "rightful"(line 3, Paragraph 6)is closest in meaning to
A. legal.
B. due.
C. independent.
D. normal.
It could be concluded from the passage that the ooma service
A. worked illegally by losing termination fees.
B. improved the efficiency of the phone system.
C. was paid by the ooma customers.
D. covered the ooma traffic by broadband connection.
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