单选题
In every cultivated language there are two great classes of words which, taken together, comprises the whole vocabulary. First, there are those words (76) which we become acquainted in daily conversation, which we learn, that is to say, from the (77) of our own family and from our familiar associates, and which we should know and use (78) we could not read or write. They concern the common things of life, and are the stock in trade of all who (79) the language. Such words may be called "popular", since they belong to the people at large and are not the exclusive possession of a limited class. On the other hand, our language comprises a multitude of words which are comparatively (80) used in ordinary conversation. Their meanings are known to every educated person, but there is little (81) to use them at home or in the market place. Our first acquaintance with them comes not from our mother's (82) or from the talk of our school mates, (83) from books that we read, lectures that we attend, or the more formal conversation of highly educated speakers who are discussing some particular (84) in style appropriately elevated above the habitual extent of everyday life. Such words are called "learned", and the (85) between them and the "popular" words is of great importance to a right understanding of linguistic process.
单选题
A. at B. with C. by D. through
【正确答案】
B
【答案解析】[解析] 语法结构题。句中的with which引导定语从句，修饰先行词those words，which在句中作介词with的宾语，become acquainted with somebody/something(了解某事，认识某人)为固定搭配。
【答案解析】[解析] 词语搭配题。learn something from one's lips(从某人嘴里得知某事)为固定搭配。A．tips(小费，提示)；B．mouth(嘴)；D．tongue(舌)。
单选题
A. besides B. and C. or D. but
【正确答案】
D
【答案解析】[解析] 语法结构题。根据句意，句中谓语动词之后连续出现了comes not from...，or from...，from...，第三个from之前应该是个转折词，即：我们最初不是从妈妈的嘴中或是同学的谈话中得知，而是从我们所读的书、所参加的讲座中了解这些词语。所以D．but为正确答案。