单项选择题

Under the guidance of their teacher, the pupils are building a model boat （）by steam.

A．towed
B．tossed
C．propelled
D．pressed

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单项选择题
That part of the city has long been （）for its street violence.

A．historical
B．responsible
C．illegal
D．notorious
单项选择题
This book is expected to （）the best-seller lists.

A．exemplify
B．promote
C．prevail
D．dominate
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