I. Complete the following statement or passage with proper expressions. （1×10=10）1．Language is a system of ______ based on physiology, psychology and physics.2. The character of native words in English is polysemy, collocability and ______ ability. 3. The character of the classical elements in the English vocabulary is of the______ character. 4. It is evident that a ______ is a unity of sound and meaning. It is also a fundamental structural unit of a sentence.5. The words “shirt” and “skirt” are the examples of the ______ elements in the English Vocabulary.6. “Action”, “able”, “fame” are the words borrowed from______ language.7.The Latin element together with the Greek element are called the______ elements in the English vocabulary.8. ______ is a major branch of linguistics devoted to the study of meaning.9. “Bread” and “dough” meaning money in the American English are the typical examples of ______ .They are popularly used in daily life.10. There are countless paired synonyms where a native word is opposed to one borrowed from Latin, Greek of French. These words are called______ .