单项选择题


Questions 13 to 15 are based on the conversation you have just heard.

A．Never lean forward.
B．Never lean backward.
C．Never lean away from the shore.
D．Never get out of the canoe.
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单项选择题
A．More than 14,000 acres.B．About 14,000 acres.C．More than 4,000 acres.D．About 4,000 acres.
A．More than 14,000 acres.
B．About 14,000 acres.
C．More than 4,000 acres.
D．About 4,000 acres.
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