单项选择题

A．He didn’’t understand the lecture.
B．He wants to borrow her notes next week.
C．He needs help with a makeup exam.
D．He was sick and unable to attend.
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单项选择题
In the first paragraph, the author draws an analogy between _______.
A．doing research and drawing a picture
B．research finding and pictures perspective
C．designing a research and making a quick drawing
D．a researcher and a painter
填空题
process
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