阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。
Tight as a thread, seamless as a seal, and coupled like yin and yang, for centuries, sunmao(榫卯)structures have been providing strong and durable supports 【小题1】 Chinese wooden architecture.
Large components of traditional Chinese wooden architecture, including columns, beams, purlins and dougong, are often pieced together 【小题2】 (use) sunmao structures. The convex sun and the concave mao, when interlocked, both support and contain the adjoining parts. This increases stability, but also adds 【小题3】(flexible) to the architecture, strong enough 【小题4】(resist) earthquakes. Craftsmen can make and process the components in advance and 【小题5】(quick) put them together on site, 【小题6】 is simple and efficient.
Since the Shang and Zhou dynasties, carpenters 【小题7】 (produce) more than a hundred types of sunmao structures. From such, 【小题8】 whole set of systematic methods was devised, from selecting locations and choosing materials, to structure, measurements, and manufacture.
For the craftsmen who have preserved this heritage, and for the 【小题9】 (generation) of people who have lived in and among the spaces defined by it across China, wood and wooden structures have always been an important constituent of Chinese architecture.
Their styles may differ, but they all share the same root. Chinese people’s love of nature and pursuit of harmonious coexistence 【小题10】 (integrate) within.
