题目

China's Tea Villages In most Chinese tea villages, March is the time of year in ___41.___ locals start to pick and process tea. The usually quiet villages suddenly become busy centers of activity, as people take out special tools and prepare ___42.___ tea processing. In some villages, local residents hold traditional ceremonies, __43.___ (thank) heaven for its blessing. The price of tea ___44.___ (pick) in March is extremely high because __45.___ is fresh, tender and contains multiple trace elements. China ___46.___ (be) famous for tea production since ancient times. Of the goods t下列结构层次中，属于组织的是（   ） A．黑猩猩的大脑                                           B．含羞草的茎 C．杨树根尖的分生区                                   D．洋葱的鳞片叶