单项选择题

A．Uses of cold sea water.
B．Irrigating desert areas.
C．Techniques for preserving the environment.
D．Techniques of cultivating
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单项选择题
A．To other European countries.B．To the remote areas and suburbs.C．To the natural parks for birds.D．Back to their nests.
A．To other European countries.
B．To the remote areas and suburbs.
C．To the natural parks for birds.
D．Back to their nests.
单项选择题
A．The man.B．The woman.C．Both the man and the woman.D．The woman did while the man didn’t.
A．The man.
B．The woman.
C．Both the man and the woman.
D．The woman did while the man didn’t.
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