单项选择题

A．Shopping.
B．Watching a play.
C．Looking at the sea.
D．Seeing an exhibition.
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单项选择题
A．Ants tap plant insects till a drop of honey comes out.B．Ants take care of plant insects.C．Ants get their food from plant.D．Ants get honey from bees.
A．Ants tap plant insects till a drop of honey comes out.
B．Ants take care of plant insects.
C．Ants get their food from plant.
D．Ants get honey from bees.
单项选择题
A．Human and wildlife health risks are being reduced.B．The ecological system will be restored in the near future.C．Significant near -term improvement in water quality has been made.D．Pollution enters and moves through the Great Lakes region.
A．Human and wildlife health risks are being reduced.
B．The ecological system will be restored in the near future.
C．Significant near -term improvement in water quality has been made.
D．Pollution enters and moves through the Great Lakes region.
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