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What are advantages of physical objects ?
A. intelligence development
B. to obtainvivid perceptual cognition
C. to cultivate students' observation and perception
D. to create teaching situations
E. beused to display teaching contents
Basic modeling elements for sticks figures:
Principles of material selection for audio and video:
Modern teaching mostly combine multimedia to present the main teaching content. Teachers would like to take the content on multimedia as the main board writing.and the blackboard as the attached board writing.
A. 对
B. 错