题目内容
1，On the day of first frost,the Sun's rays reach an angle of_______ degrees to the earth.
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2，Fuping ,a small county in Shanxi province,has over ______ years of history.
3，Persimmon ,a type of fruit originating from China,has been harvested for over ________ years.
4，Persimmons take _____ months after flowering to bear fruit.
5，There are over a ________ species of persimmon in China.
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