题目内容

Hamilton believed that the US should pursue economic growth through ___

A. shipping
B. manufacturing
C. banking
D. slavery

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The American South is a center of traditional crops such as ___.

A. tobacco
B. corn
C. cotton
D. wheat

In the US, ____ tend to specialize the high-tech and computer industries.

A. Northeast
B. Midwest
C. Northwest
D. Southeast

对于麦克斯韦速率分布中最概然速率的正确理解,应是:

A. 最概然速率为分子速率分布中大部分气体分子具有的速率
B. 最概然速率为分子速率分布中速率的最大值
C. 最概然速率为分子速率分布函数的极大值
D. 最概然速率附近单位速率区间内的分子数最多

两种不同的理想气体,若它们的平均速率相等,则它们的

A. 最概然速率相等,方均根速率相等
B. 最概然速率相等,方均根速率不相等
C. 最概然速率不相等,方均根速率相等
D. 最概然速率不相等,方均根速率不相等