Broadcasting frightened sounds of the birds to scare th-找考题网

单项选择题

A．Broadcasting frightened sounds of the birds to scare them away.
B．Making shooting sounds to scare the birds away.
C．Hiring special workers to drive them away.
D．Capturing them and then transporting them away.

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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 plants.

A．Uses of cold sea water.
B．Irrigating desert areas.
C．Techniques for preserving the environment.
D．Techniques of cultivating plants.

单项选择题

A．50.B．51.C．15.D．Never stop.

A．50.
B．51.
C．15.
D．Never stop.

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