The first period of cold, wintry days in autumn．,The tu-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.

单项选择题

As people become more proficient in a language, their nonverbal errors are not considered serious.

A．Y
B．N
C．NG

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