A．The first period of cold, wintry days in autumn.B．The-找考题网

单项选择题

A．The first period of cold, wintry days in autumn.
B．The turning of color and falling of leaves.
C．A large mass of warm tropical air carried northward.
D．The southwestern winds.

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单项选择题

A．Business executives.B．White-collar workers.C．Fashionable young people.D．Government officials.

A．Business executives.
B．White-collar workers.
C．Fashionable young people.
D．Government officials.

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