单项选择题

A．They are microscopic.
B．They move very quickly.
C．They are transparent.
D．They are rarely found near the surface.
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单项选择题
A．Oceanic snails,B．Large green jellyfish.C．Different planktonic plants.D．Sunken treasure chests.
A．Oceanic snails,
B．Large green jellyfish.
C．Different planktonic plants.
D．Sunken treasure chests.
单项选择题
A．called back from his officeB．abducted on his way homeC．arrested outside their homeD．roused from bed
A．called back from his office
B．abducted on his way home
C．arrested outside their home
D．roused from bed
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