单项选择题

From the second paragraph, we know that the ski touring ______.

A．isn't very easy to learn
B．can be carried out indoors
C．doesn't have the limitations of energy and health
D．is a healthy activity which can be enjoyed by a family

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热门试题

单项选择题

Although the sport is very popular, some people are still ______.

A．expanding its equipment
B．asking for instructions
C．afraid of going down the mountainsides
D．curious about the sport

单项选择题

Ski touring probably began in ______.

A．North America
B．Southern America
C．Northern Europe
D．Southern Norway