Which season is your favourite season, spring, summer, autumn or winter? I like autumn best. Autumn is the time for harvest(收获). In autumn I can eat many different fruits：apples, pears, grapes and so on. I can also eat fresh vegetables. Autumn is cool. I feel comfortable(舒适的). I am happy to see the leaves turn red and yellow.

汝瓷中有一种叫“天青”，①____。汝窑瓷器专供皇室使用，某次窑官请示釉色，周世宗御批：“雨过天青云破处，者般颜色做将来。”汝窑传世极少，明清时就有谚云：“家财万贯，不及汝瓷一片。”全球公认的传世的现存汝窑珍品据说只有67．5件。②____。不过，③____。而且，现在学界普遍认为，它才是“天青”光器的鼻祖，这就是唐代的“秘色瓷”。