单项选择题

What was tested in this experiment

A．The influence of IQ test.
B．The influence of selected teachers.
C．The influence of teacher expectations.
D．The influence of teaching methods and materials.

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热门试题

单项选择题

John waited at the bus-stop for nearly half an hour ______ the bus finally arrived.

A．when
B．as
C．before
D．while

单项选择题

Reading is an experience quite different from watching TV; there are pictures ______ in your mind instead of before your eyes.

A．to form
B．form
C．forming
D．having formed