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一、Explain-the-fllowing-terms

1． Textual function

【答案】 Textual function : The textual function is one of the three meta-functions language is composed of. It refers to the fact that language has mechanisms to make any stretch of spoken or written discourse into a coherent and unified text and make a living message different from a random list of sentences.

2． Speech community

【答案】 Speech community is a group of people who share a set of norms and expectations regarding the use of language. Speech communities can be members of a profession with a specialized jargon , distinct social groups like high school students or hip-pop fans. In addition, online and other mediated communities, such as many internet forums, often constitute speech communities. Members of speech communities will often develop slang or jargon to serve the group's special purposes and priorities.

3． The Innateness Hypothesis

【答案】 The innateness hypothesis was proposed by Chomsky. It says that the ability to acquire a human language is part of the biologically innate equipment of the human being, and that an infant is bom with this knowledge of basic grammatical relations and categories, and this knowledge is universal.

4． figure-ground alignment

【答案】 Figure-ground alignment seems to apply to space with the ground as the prepositional object and the preposition expressing the spatial relational configuration. It also applies to human perception of moving objects. Since the moving object is typically the most prominent one, because it is moving , it is typically the figure, while the remaining stimuli constitute the ground.

5． Performatives

【答案】 Performatives are sentences that do not state a fact or describe a state. They cannot be said to be true or false. The uttering of these sentences is, or is part of, the doing an action. The judge‟s imprisonment sentence, the president‟s war or independence declaration , etc., are performatives.

6． Categorization

Categorization is the process of classifying our experiences into different categories based 【答案】

on commonalities and differences. There are three levels in categories: the basic level，the superordinate level ，and the subordinate level.

7． Idiolect

【答案】 Just as every speech community has a dialect, every speaker has his own pet words and expressions and special way of expressing his ideas in language. This language variety of individual users is called “idiolect”

8． Cognition

【答案】 Cognition is, in psychology, used to refer to the mental processes of an individual, with particular relation to a concept which argues that the mind has internal mental states （such as beliefs, desires and intentions ） and can be understood as information processing , especially when much abstraction or concretization is involved , or processes such as involving knowledge , expertise or learning for example are at work. Another definition of “cognition” is the mental process or faculty of knowing , including aspects such as awareness, perception, reasoning, and judgment.

9． Paradigmatic relations

【答案】 Paradigmatic relation , Saussure originally called associative , is a relation holding between elements replaceable with each other at a particular place in a structure , or between one element present and the others absent.

10．Glottal Stop

【答案】 V ocal tract is composed of oral cavity, nasal cavity and pharynx. When the vocal folds are totally closed, no air can pass between them. The result of this gesture is the glottal stop.

二、Short-answer-questions

11．Explain three levels of categorization.

【答案】 Three levels of categorization

（1） Superordinate levels mean higher levels or more general levels. Furniture and animal are examples of superordinate category levels.

（2）Basic-level categories are more specific , but not too specific. Chair is an example of basic-level categories.

（3）Subordinate levels mean lower levels or more specific categories. Desk chair is an example of subordinate categories.

12．How are the vowels described usually?

【答案】 Usually , the description of the vowels needs to fulfill four basic requirements:

（1）The height of tongue raising （high , mid, low）;

（2）The position of the highest part of the tongue （front , central, back）;

（3）The length or tenseness of the vowel （tense vs. lax or long vs. short） , and

（4）lip-rounding （rounded vs. unrounded）.

13．What are suprasegmental features? How do the major suprasegmental features of English function in conveying meaning?

【答案】 A suprasegmental feature refers to the phonemic features that occur above the level of sound segment. The major suprasegmental features in English include word stress, sentence stress, tone, and intonation. The location of stress in English distinguishes meaning.

For example , a shift of stress may change the part of speech of a word from a noun to a verb although its spelling remains unchanged. Tones are pitch variations, which are caused by the differing rates of vibration of the vocal cords. Pitch variations can distinguish meaning just like phonemes. When pitch , stress and sound length are tied to the sentence rather than the word in isolation , they are collectively known as intonation. Intonation plays an important role in the conveyance of meaning in almost every language, especially in a language like English.

14．What are theme and rheme?

【答案】 Some linguists, who devoted considerable attention to problems of analyzing sentences from a functional point of view , believe that a sentence contains a point of departure and a goal of discourse. The point of departure is equally present to the speaker and to the hearer ——it is their starting point, the ground on which they meet. This is called the theme. The goal of discourse presents the very information that is to be imparted to the hearer. This is called the rheme. For example, in the sentence The man is coming, The man is the theme, and is coming is the rheme.

15．Please disambiguate the following 5 sentences, using the tree-diagram, or any other means that you think is appropriate.

（1）Jane showed her baby pictures.

（2）The old man is drinking in the air.

（3）We need more realistic officials to handle the economy.

（4）We are sweeping the ground cigarettes on the street.

（5）Tom exchanged the money and fell around the corner.

【答案】（1）