题干

“猪--沼--茶”是华南山地丘陵地区常见的生态农业模式,由种植(茶树)、养殖(猪)、 农户(人)和沼气生产(微生物)四个子系统构成。该生态农业模式(  )

A:是由茶树、猪、人和微生物组成的生态系统

B:实现了物质和能量在系统中的多级循环利用

C:使整个生产过程进入了废物资源化的良性循环

D:注重系统内部的自身调节作用,不需要外部投入

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C

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单词拼写

    Paper cutting is a traditional art in China. It has been around for____(多于)1,500 years. This kind of art went after the invention of p____in Han Dynasty.

    It once became one of the main____fᴐ:(r)mz of art, and____(受…欢迎) the people of that time; e____in royal (王室的) families, ladies were also judged by the ability at paper cutting.

    Most of the papercut artists are w____. The themes of their works usually include everything in people's____(日常生活),such as flowers, animals, and things about Chinese history. Familiarity (熟悉) makes them understand the real spirit of the art.

    The main tool for paper cutting is s____ Once they are owned by a master of papercut, they will become so supernatural (超自然的)____the papercuts beyond imagination flow out (倾泻) of his/her hands. Another tool____paper cutting is carving knives which are necessary to improve a sharpened effect or to make a good job. It's believed that art____(来自) life and serves life. The bright colors of red, green or light blue papercuts provide a merry atmosphere.____they are often found in wedding ceremonies or festivals in China. And people like to decorate____windows and doors u____colorful papercuts.

    Papercuts made____(在不同地区) have different characteristics. Shanxi window papercuts are simple and bold (轮廓突出的) ; papercuts from Hebei Province are bright in color; papercuts in southern provinces are good and fine.