When a teacher asks students to rearrange a set of sentences into a logical paragraph, he/ she is trying to draw their attention to______.

A．construct validity
B．content validity
C．test reliability
D．scorer reliability

A．certainty
B．simplicity
C．variety
D．accuracy

A．It is a teaching guide.
B．It is a blueprint to be strictly followed.
C．It takes into account syllabus and students.
D．It describes in advance what and how to teach.