前言听力理解不是一种被动的接受性的活动,而是一种复杂的积极的学习过程。听者必须辨清所有的声音、听懂所有的词汇、了解语法结构、找出材料的重点、理解语调。更重要的是把上面所有这些东西融合在一起,记在脑子里,最后还要在极短的时间里了解它们的含义,与此同时,也不能忽略话语的文化背景。上述所有如此众多的因素综合起来, Preface Listening comprehension is not a passive acceptance of activities, but a complex and active learning process. The listener must discern all the sounds, understand all the words, understand the grammatical structure, find the material’s focus and understand the intonation. What is more important is to combine all these things together, keep them in mind, and finally understand their meaning in a very short period of time. At the same time, we should not ignore the cultural background of discourse. All of these factors so many combined,