单项选择题

A．Taking pictures under water.
B．Planting sea weeds.
C．Connecting pipelines.
D．Placing explosives under the water.
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单项选择题
A．Prejudiced.B．Indifferent.C．Enthusiastic.D．Objective.
A．Prejudiced.
B．Indifferent.
C．Enthusiastic.
D．Objective.
单项选择题
A．Whether they can afford the cost of the trip.B．Whether someone will take care of their house, garden and pets while they are away.C．Whether they should go by air or by sea.D．Whether the trip will keep them away from home for too long.
A．Whether they can afford the cost of the trip.
B．Whether someone will take care of their house, garden and pets while they are away.
C．Whether they should go by air or by sea.
D．Whether the trip will keep them away from home for too long.
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