填空题. Although language is used to transmit information, the informative functions of language are fused (融合) with older and deeper functions so that only a small portion of our everyday speech can be described as 1 informative. The ability to use language for strictly informative purposes was probably developed relatively late in the course of linguistic 2 Long before that time, our ancestral species probably made the sorts of cries animals do to express feelings of hunger, fear, loneliness, and the like. Gradually these noises seem to have become more differentiated, 3 the cries into language as we know it today. Although we have developed language in which 4 reports may be given, we still use language as vocal equivalents of gestures such as crying in pain. When words are used as the vocal equivalent of expressive gestures, language is functioning in presymbolic (前符号的) ways. These presymbolic uses of language coexist with our symbolic system, so that the talking we do in everyday life is a thorough 5 of symbolic and presymbolic language. What we call social conversation is mainly presymbolic in 6 . When we are at a large social gathering, for example, we all have to talk. It is 7 of these conversations that, except among very good friends, few of the remarks made have any informative value. We talk together about nothing at all and thereby establish a relationship. There is a 8 at work in the selection of the subject matter we deem 9 for social conversation. Since the purpose of this kind of talk is the establishment of communion, we are careful to select subjects about which agreement is immediately possible. With each new agreement, no matter how commonplace, the fear and 10 of the stranger wear away, and the possibility of friendship emerges. When further conversation reveals that we have friends or political views or artistic values or hobbies in common, a friend is made, and genuine communication and cooperation can begin. A. appropriate I. evolution B. suspicion J. blending C. transforming K. accurate D. purely L. unquestionable E. principle M. illustration F. typical N. compiling G. character O. concept H. efficiently