单项选择题

A．Its protection is often neglected by children.
B．It cannot be fully restored once damaged.
C．There are many false notions about it.
D．There are various ways to protect it.
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单项选择题
A．Beautiful scenery in the countryside. B．Dangers of cross-country skiing. C．Pain and pleasure in sports. D．A sport he participates in.
A．Beautiful scenery in the countryside.
B．Dangers of cross-country skiing.
C．Pain and pleasure in sports.
D．A sport he participates in.
单项选择题
A．Journalist of a local newspaper. B．Director of evening radio programs. C．Producer of television commercials. D．Hostess of the weekly Business World.
A．Journalist of a local newspaper.
B．Director of evening radio programs.
C．Producer of television commercials.
D．Hostess of the weekly "Business World.\
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