题目

Known locally as sakura, the cherry blossoms in Japan are popular with both locals and tourists alike. For the Japanese, sakura hold much cultural and historical significance that goes deeper than their obvious beauty. 【1】 Sakura are usually only in full bloom(盛开) for about one week. 【2】 The flowers are so small and round that when they eventually start to fall, it’s almost like watching snow fall from the skies. The specific time of the cherry blossom season varies from region to region each year. Luckily, the Japanese Meteorological Corporation(日本气象厅) has done all the若等差数列中，则