单项选择题

A．Increasing upper-body strength.
B．Discussing popular climbing sites.
C．Selecting the necessary equipment.
D．Finding a climbing partner
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单项选择题
A．They may probably become lonely.B．They may probably become skillful.C．They may probably become relaxed.D．They may probably become hesitant.
A．They may probably become lonely.
B．They may probably become skillful.
C．They may probably become relaxed.
D．They may probably become hesitant.
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