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一、Explain-the-fllowing-terms

1． Transformational-Generative grammar

【答案】 Transformational-generative grammar is proposed by Noam Chomsky. He postulated a syntactic base of language （called deep structure ） , which consists of a series of phrase-structure rewrite rules, i.e., a series of （possibly universal） rules that generates the underlying phrase-structure of a sentence. The end result of a transformational-generative grammar is a surface structure that is identical to an actual sentence of a language , after the mediating of a series of rules （called transformations ） that act upon the deep structures.

2． Concordance

【答案】 The computer has the ability to search for a particular word , sequence of words , or perhaps even a part of speech in a text. The computer can also retrieve all examples of a particular word. It can also calculate the number of occurrences of a certain word so that information on the frequency of the word may be gathered. We may also be interested in sorting the data in some way—for example, alphabetically on words occurring in the immediate context of the word. This is usually referred to as concordance.

3． functional morpheme

【答案】 This is a subtype of free morphemes, which one consists largely of the functional words in language such as conjunctions, prepositions, articles and pronouns, for example, “and, about when on , near, the” an so on.

4． Lexical relations

【答案】 There are several types of lexical relations concerning the sense of the words. Those are synonymy , antonymy, hyponymy, polysemy, homonymy, and so on. （a ） Synonymy refers to the sameness relation ; “autum”, and “full ” are synonyms , for example , （b ） Antonymy refers to the oppositeness relation ; for example , “buy” and “sell ” are antonyms , （c ） Hyponymy refers to the inclusiveness relation; for example, “apple” is a hyponym of “fruit”, （d ） Polysemy means one word that has more than one related meaning ，and “bank”，as an example , is a polysemous word. （e ） Homonymy refers to the relation of two different words which are identical either in sound, or spelling, or both, such as “bow” （bau ） and “bow” （b əu ）.

5． Design features

【答案】 Design features : It refer to the defining properties of human language that tell the difference between human language and any system of animal communication.

6． cohort model

【答案】 The cohort model is a supposed doctrine dealing with the spoken word recognition postulated by Marslen-Wilson and Welsh in 1990. It is suggested that the first few phonemes of a spoken word activate a set or cohort of word candidates that are consistent with the input. These candidates compete with one another for activation. As more acoustic input is analyzed , candidates that are no longer consistent with the input drop out of the set. This process continues until only one word candidate matches the input- the best fitting word may be chosen if no single candidate is a clear winner.

7． CAI and CAL

【答案】 Computer-assisted instruction （CAI ） means the use of a computer in a teaching program. This includes:

a. A teaching program which is presented by a computer in a sequence. The student responds on the computer , and the computer indicates whether the responses are correct or incorrect.

b. The use of computers to monitor student progress, to direct students into appropriate lessons, material , etc. This is also called computer-managed instruction.

Parallel to CAI , there is CAL （Computer-Assistant Learning ） . The former aims at seeing educational problems on the part of the teacher, whereas the latter emphasizes the use of a computer in both teaching and learning in order to help the learner achieve educational objectives. The first kind of CAL programs which were developed reflected principles similar to programmed instruction. The computer leads the student through learning task step-by-step, asking questions to check comprehension. Depending on the studenfs response, the computer gives the student further practice or progresses to new material （see branching ）. In more recent CAL courseware students are able to interact with the computer and perform higher-level tasks while exploring a subject or problem.

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.

二、Essay-question

9． Make comments upon the relationship between arbitrariness, convention, and motivation.

【答案】 Arbitrariness of language makes it potentially creative ; a conventionality of language makes a language be passed from generation to generation, and makes learning a language laborious. The link between a linguistic sign and its meaning is a matter of convention.

The terms motivation and constraint describe the extent to which the signified determines the signifies The form of the signifier of a generalized car or a traffic sign is determined by the convention that is accepted by the users of the code.

Motivated signs are iconic signs; they are characterized by a natural relation between signifier and signified. A portrait or a photograph is iconic , in that the signifier represents the appearance of the signified. The faithfulness or the accuracy of the representation —the degree to which the signified is re-presented in the signifier —is an inverse measure of how conventionalized it is. It is important to

recognize that （i ） in signs of high motivation, the signified is the determining influence, and （ii ） in signs of low motivation, convention determines the form of the signifier. Therefore, convention plays a key role in our understanding of any sign. Convention serves as the social dimension of signs. We may not understand the unmotivated verbal sign for car the French use, but we understand the road signs in France in so far as they are iconic.

10．When a teacher says “It ’s so hot in here.” during a class, what does she probably mean? Refer to the theory of pragmatics when you analyze the situation.

【答案】 This utterance would be semantically ambiguous if it was seen isolated without any context of situation. Its interpretation has to rely on the context in which it was uttered.

There could be generally two types of situation in which this utterance could happen. One may be that it is summer; the teacher just came into the class and was sweating heavily. The other may be that in class the students are quite active towards the questions or problems the teacher has posed, for example, discussing in group, or debating in a large scale.

According to the cooperative principle, in our conversation, in order to be cooperative, that is, to make his intentions to be known by the hearer , the speaker will try to make his conversational contribution such as is require, at the stage at which it occurs.

Therefore , according to the third maxim of cooperative principle , RELATION , which says “be relevant”，the utterance could be interpreted differently as follows:

In the first situation, when the students hear the teacher saying “it‟s so hot in here”，they would probably assume that the teacher is obeying the Cooperative Principle, and what he says is relevant to the context, which is that the teacher is sweating, and maybe accompanied by fanning himself with his hand. Therefore, what the teacher means is probably that the temperature is high. What5s more, if the windows in the classroom are closed, this utterance will go further to be an implication of an request for opening the windows.

In the second situation , the students would assume that the teacher should have observed the maxim of relation, since it is under normal circumstances. Given the context in which the students are discussing or debating about certain questions furiously, the hearer would tend to interpret the teacher‟s utterance as: “You are discussing （or debating） so actively.‟‟，which implies a praise for the active participation of the students in class activity.

11．Semantic change plays a very important role in widening the vocabulary of a language.

【答案】 Semantic change plays a very important role in widening the vocabulary of a language. Since language is symbolic, each word serves as a symbol in relation to a specific meaning. In this sense, we need infinite numbers of words or symbols to code the physical entities and our experiential concepts. But this is impossible for communication. Therefore, users give a new concept to an old form, thus the meaning of a form is multiplied. There are three kinds of semantic changes , namely , broadening , narrowing , and meaning shift. Class shift and folk etymology also contribute to change in meaning.

Semantic broadening refers to the process in which the meaning of a word becomes more general or inclusive than its historically earlier denotation. For example, the word holiday used to mean “holy day” in religious English. It means “a day for rest” today regardless of its religious nature , and hence its meaning is widened.

Semantic narrowing is a process in which the meaning of a word becomes less general or inclusive than its historically earlier meaning. For example, the Old English word “hund” （“hound”）was once used for any breed of dog; whereas in Modem English its meaning has been narrowed to a particular kind of dog.