50. What does this text mainly talk about?
(A)Convenience for skiers brought about by private cars.
(B)Skiing as a new way of enjoying one's spare time.
(C)Things to be considered when starting a ski resort.
(D)A sudden increase of ski training classes in Beijing.

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步筱昕

B1 · 2014/07/18

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注意选项的四个提示性的中心词 A. Convenience B.Skiing C.Things to be considered D. A suddent increase of 确定文章核心主旨是关于skiing故选择B。