单项选择题


Passage Two
Questions 29 to 32 are based on the passage you have just heard.

A．Two German scientists.
B．Two German climbers.
C．Two Italian scientists.
D．Two Italian climbers.
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单项选择题
A．Having more accidents.B．Losing mental and physical abilities.C．Spending more time working.D．Needing more education and training.
A．Having more accidents.
B．Losing mental and physical abilities.
C．Spending more time working.
D．Needing more education and training.
填空题
scientists
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