单项选择题

A．Earthquake.
B．Turbidity currents.
C．Erosion and the deposit of sediment on the deep sea floor.
D．Waves or currents that deep in the ocean.
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单项选择题
A．The present house is too old.B．The new house is more comfortable.C．The old house is far from her work.D．She needs a quiet place.
A．The present house is too old.
B．The new house is more comfortable.
C．The old house is far from her work.
D．She needs a quiet place.
填空题
Children with a 104-degree temperature or higher may be more comfortable if their fever is lowered with ______.
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