What is this lecture mainly about？
A. Symmetry in the visual arts
B. The characteristics of patterns
C. How the brain organizes information
D. A definition of beauty
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What are the students discussing？
A. The T.A.in their class
B. The woman's presentation
C. PowerPoint handouts
D. The woman's class
How does the professor explain the closed string？
A. He refers the students to a web site.
B. He rewords the definition in the book.
C. He compares it with a thin rubber band.
D. He contrasts it with an open string.
The word tenets in the passage is closest in meaning to
A. opinions.
B. principles.
C. examinations.
D. entitlements.
What can we infer about the situation？
A. The student will probably talk with his advisor before registration next term.
B. The professor believes that the student will probably not take her advice.
C. The date for changing the student's schedule has probably passed already.
D. The professor is probably the student's academic program advisor.
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