【正确答案】Cohesion is a concept to do with discourse or text rather than with syntax. It refers to relations of meaning that exist within the text, and defines it as a text. Discoursal/textual cohesiveness can be realized by employing various cohesive devices: conjunction, ellipsis, lexical collocation, lexical repetition, reference, substitution, logical connection, and so on. In the following example, the cohesive device is "Reference", that is, "it" refers back to the door: He couldn't open the door. It was locked tight.
Firstly, reference is used. "He", "his", "his", "he", "he" and "his" in the text all refer to "John Major".
Secondly, repetition is used. The expression "he" and "his" are respectively repeated twice in the text.
Thirdly, logical connection is established by means of such expressions as" although(a conjunction standing for concession)", "and(a coordinating conjunction)", and "nevertheless (meaning contrast)".
Fourthly, lexical collocation is used. "John Major is impossible to pigeonhole on either right or left of the Conservative Party" because of" A flat. classless accent". "Remarkably few enemies" may imply that he has got some" long-standing friends". The antonymous relationship is established by means of such expressions as "a bit of temper" and "easygoing". "enemies" and "friends".

【答案解析】[解析] 本题考查语篇衔接问题。衔接是一个语义概念，它指的是语篇中语言成分之间的语义联系，或者说是语篇中一个成分与另一个可以与之相互解释的成分之间的关系。当语篇中一个成分的含义依赖于另一个成分的解释时，便产生衔接关系。根据Halliday的观点，衔接手段是语篇连贯的一个重要标准。Halliday和Hasan提出了衔接手段的分类：语法衔接(grammatical cohesion)，包括照应(reference)，替代(substitution)，省略(ellipsis)，连接(conjunction)；词汇衔接(lexical cohesion)，包括重复(repetition)，同义/反义(synonymy/antonymy)，上下义/局部——整体关系(hyponymy/meronym)和搭配(collocation)。