【正确答案】正确答案：Polysemy refers to the fact that one word has two or more senses or meanings, and the two processes leading up to polysemy are radiation and concatenation respectively.(1 point)Radiation refers to the process in which the primary or central meaning stands at the center while secondary meanings radiate from it in every direction like rays.(2 points)Concatenation(linking together)is a semantic process in which the meaning of a word moves gradually away from its first sense by successive shifts, like the links of a chain, until there is no connection between the final meaning and the primary meaning.(2 points)

【答案解析】解析：考查一词多义现象的形成方式。一词多义现象指同一个词具有一个以上的意义。多义词有两种形成方式，分别是放射法和联系法。放射法指多义词的其他词义均由主要词义发散而来。联系法指多义词的第一种词义经过演变，逐渐形成其他多种词义，后来形成的词义已经与第一种词义没有联系。