单项选择题

A．The surface of the ocean is expanding.
B．Volcanic activity is increasing.
C．The surface of earth contains tons of cosmic dust.
D．Thousands of comets arc colliding with earth’s atmosphere.
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单项选择题
A．He already knows how to play.B．He doesn’t like to play games.C．He doesn’t have a partner,D．He doesn’t have enough free time.
A．He already knows how to play.
B．He doesn’t like to play games.
C．He doesn’t have a partner,
D．He doesn’t have enough free time.
单项选择题
A．A technical associate degree.B．A degree which is designed for transfer.C．A bachelor’s degree.D．The last degree one can ever hope to attain.
A．A technical associate degree.
B．A degree which is designed for transfer.
C．A bachelor’s degree.
D．The last degree one can ever hope to attain.
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