Migration here in the experiment is
A. a measuring tool.
B. a research methodology.
C. an independent variable.
D. a controlled condition.
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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.
Which of the following is true about Oprah Winfrey？
A. She is not straightforward with her audience.
B. She prefers fashionable and exciting topics.
C. She is not quite successful as a talk show host.
D. She is less annoying than those who slander others.
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