单项选择题


Questions 23 to 25 are based on the conversation you have just heard.

A．Six hours.
B．Eighteen hours.
C．Sixteen hours.
D．Eight hours.
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单项选择题
A．The Third Kingdom.B．The Weimar Republic.C．The French Commune.D．Switzerland.
A．The Third Kingdom.
B．The Weimar Republic.
C．The French Commune.
D．Switzerland.
单项选择题
The example of the Japanese carrion crows at the beginning of the passage is a demonstration of the ______.
A．kindness of people
B．harmonious living conditions
C．ecological stability
D．bird intelligence
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