单项选择题

Exercise: You are going to hear a talk about a typical university course in North America. You will hear the talk only once. Now listen carefully and then tick the appropriate answer to each of the following questions.
What is the main difference between science and non-science majors

A. Science majors spend more time in the classroom than non-science majors do.
B. Science majors have to read and write more than non-science majors do.
C. Both of the above.

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