What assignment does the professor give his students？
A. They are supposed to identify patterns in the classroom.
B. They should be prepared for a quiz on this lecture.
C. They need to go to the lab to complete an experiment.
D. They have to design a pattern that includes symmetry.
查看答案
The word accorded in the passage is closest in meaning to
A. elevated.
B. bestowed.
C. acclaimed.
D. applied.
What is the lecture mainly about？
A. Neurotransmitters
B. Seasonal affective disorder
C. Genetic research
D. The National Institute of Mental Health
According to Paragraph 2, one reason why people chose to leave their homes in the Northeast was the fact that
A. factories did not pay workers enough money.
B. their families had moved to the Far West around 1840.
C. large cities were suffering from environmental degradation.
D. western settlements exhibited a culture similar to that in the Northeast.
Why does the professor think that the acronym S.A.D.is unsuitable？
A. She did not participate in creating the acronym.
B. It does not reflect the seriousness of the problem.
C. Some of her patients object to the acronym.
D. The acronym is not an abbreviation for the words.
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