Economists attribute the world soybean boom to the rise in soybean production in China and its increased export of related products.
A. 对
B. 错
骨迷路和膜迷路之间有外淋巴，膜迷路内含内淋巴，内、外淋巴不相通
A. 对
B. 错
The wavelengths of light and radio waves, unlike high energy gamma radiation, are much shorter.
A. 对
B. 错
规则的功能包括（）。
A. 使学生形成认知策略
B. 调节行为
C. 调节语言
D. 指导实践
E. 激发动机
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