单项选择题

A．Taking pictures under water.
B．Connecting pipelines.
C．Planting sea weeds.
D．Placing explosives under the water.
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填空题
presumes
单项选择题
A．Prejudiced.B．Enthusiastic.C．Indifferent.D．Objective.
A．Prejudiced.
B．Enthusiastic.
C．Indifferent.
D．Objective.
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