单项选择题

Passage Three
Questions 32 to 35 are based on the passage you have just heard.

A．In 1925.
B．In 1950.
C．In 1932.
D．In 1952.
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movement
单项选择题
Specific direction is characterized by ______.
A．government funding in R&D period
B．complete centralization of power
C．direct administrative interference
D．identifying promising technology trends
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