Do you know Fu Xi? As the legendary ___1___ (found) of the Chinese people, he showed his subjects how to fish, raise domestic animals, and cook. He also taught them about the rules of marriage, and the use of picture symbols. He also made known the bagua, ___2___ he first saw written on the back of a “dragon-horse” as it rose from the waters of the Yellow River.
The bagua consists of eight trigrams (三线形), or three-line symbols, composed ___3___ continuous and broken lines. The continuous lines are called yang and ___4___ (basic) represent all things male; the broken lines are called yin and represent female aspects of life. Yang and yin are complementary. 
In diagrammatic (图的) form yin and yang appear as two fish in a circle. Yin is black and yang is white. Each fish has an eye of the opposite color, ___5___ (show) that yin contains a little yang and yang contains a little yin. Yin also ___6___ (stand) for earth, moon, night, cold, moist (潮湿), death, and passive, among other things, while yang represents heaven, sun, day, heat, dry, life, active, and so forth.
Medically, everything can be classed ___7___ as yin or yang. ___8___ (heal) diseases, ancient Chinese doctors tried to balance these two. The inside of the body is yin, and the surface or skin is yang; Some organs like the spleen, lungs, and kidneys are yin, while others like the heart and liver are yang; A disease is yin when it ___9___ (result) from internal causes, yang when ___10___ comes from external causes. Yin and yang exist everywhere in the world and in our bodies.

1.1.

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解析：选founder。founder 考查名词。此处填入名词表示“创始人，始祖”。故应填founder。

2.2.

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解析：选which。which 考查关系代词。此处which修饰bagua，表示黄河出现了背上画有图形的龙马，伏羲因此而画八卦，并使其出名。故应填which。

3.3.

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解析：选of。of 考查固定搭配。compose of由……组成。故应填of。

4.4.

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解析：选basically。basically 考查副词。此处副词修饰动词，故应填basically。

5.5.

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解析：选showing。showing 考查非谓语。该单词前面的句子已经有谓语，且与后面的句子之间没有连接词连接，因此此处用现在分词作非谓语做状语。故应填showing。

6.5.

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解析：选stands。stands 考查时态。根据全文内容可知，全文用现在时态。故应填stands。

7.7.

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解析：选either。either 考查固定搭配。either…or…或者……或者……。故应填either。

8.8.

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解析：选To heal。To heal 考查非谓语。此处填入不定式作状语，表目的，故应填To heal。

9.9.

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解析：选results。results 考查时态。根据前半句的is以及全文的时态可知，这里应用一般现在时。故应填results。

10.10.

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解析：选it。it 考查代词。根据前半句A disease is yin when it ...可知，该句与前一句对称，只是省略了主谓部分，补充完整应该是A disease is yang when it...。故应填it。