坐-立姿交替作业的工作座椅的坐面高与坐姿作业时的坐面高是相同的。
查看答案
布朗在显微镜中观察到分子的运动称为布朗运动。
A. 对
B. 错
分子热运动的基本特征是分子的永恒运动和频繁的相互碰撞。
A. 对
B. 错
Whichways to utilize living resources are mentioned in today’s class?
A. Combine current events
B. Create a life-based teaching situation
C. Integrate Chinese culture into teaching
Teaching resources refer to human and material resources that support teaching and learning.
A. 对
B. 错
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