单项选择题

Electrical appliance such as toasters or hair dryers are designed to ______the ability of an electric current to heat a wire.

A．take the risk of
B．take advantage of
C．take responsibility of
D．make sense of
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单项选择题
The first ______of the bridge is one hundred meters long.
A．preface
B．span
C．block
D．phase
单项选择题
Her sharp _____of the film in the paper this morning gave rise to a hot discussion.
A．comment
B．resume
C．view
D．review
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