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There is a north﹣south valley（峡谷） in Quebec, Canada. The western hillside is covered with all kinds of trees, but there is mostly a kind of cedar雪松） on the1 hillside. This is strange, but nobody knows2 .
In the3 of 1983, a Canadian couple had too much4 ,so they decided to go on a trip. When they came to the valley, it snowed heavily. They had to hide in the5 .They found that because of the special wind, the6 on the eastern hillside was always heavier and thicker than that on the western hillside. Soon, the thick pieces of snow stayed on the cedars. When the snow was too7 , the cedars bent（弯曲） down a little to make the snow fall off, 8 the trees weren't broken. In this way, the snow covered the cedars again and again, the9 bent again and again. No matter10 heavily it snowed, the cedars were never hurt. Some other kinds of trees were11 under the heavy snow, because they could not bend. However, it snowed very little on the western hillside, and most trees were in good conditions. The wife12 this from in the tent and said to her husband, "There must have been other kinds of trees on the eastern hillside before, but they couldn't grow up because they could not13 ."When the husband agreed with his wife, suddenly the couple seemed to realize14 .The husband said excitedly, "We should learn to bend15 the cedars and make the pressure fall off, then our life will get better again. "