单项选择题

The distinct and typical pattern of responses is produced by ______

A．the autonomic nervous system
B．the voluntary nervous system
C．the brain's motor cortex
D．the brain's hypothalamus
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单项选择题
The traditional producers of knowledge refer to those who ______
A．teach temporarily at a college or university
B．pursue graduate studies in a college
C．teach full time in a college or university
D．work in leading-edge firms
单项选择题
Educational institutions in a region include universities and colleges as well as ______
A．high-tech companies
B．firms, government and organizations
C．museums, libraries, and civic centers
D．science parks and learning parks
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