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简答题举例说明扩大市场总需求的各种方法。

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62（）

A. more
B. some
C. much
D. any

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