Table 4.
Types of questions of the course in 2011 and 2012
A type, one-best answer type of multiple choice question; K type, multiple true-false type of multiple choice question, R type, extended-matching choice of multiple choice question.
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A
.gov website belongs to an official
government organization in the United States.
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A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
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