阅读下面材料，在空白处填入适当的内容（每空不多于3个单词）或括号内单词的正确形式。
China's Tea Villages
In most Chinese tea villages, March is the time of year in ___小题1:___ 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 ___小题2:___ tea processing. In some villages, local residents hold traditional ceremonies, __小题3:___ (thank) heaven for its blessing. The price of tea ___小题4:___ (pick) in March is extremely high because __小题5:___ is fresh, tender and contains multiple trace elements.
China ___小题6:___ (be) famous for tea production since ancient times. Of the goods transported and traded along __小题7:___ Old Silk Road linking China to the Middle East and Europe, the importance of tea was matched only by silk. China produces Oolong, black, green, white, yellow __小题8:___ dark (aka post-fermented) tea. The Oolong, green and black __小题9:___ (vary)are most notable for their high quality.
Most of China's tea villages are found in remote mountainous areas in the country's south and southwest, __小题10:___ the beautiful scenery is often hidden under clouds.