题目：
In every cultivated language there are two great classes of words which, taken together, comprises the whole vocabulary. First, there are those words (1) which we become acquainted in daily conversation, which we (2) , that is to say, from the (3) of our own family and from our familiar associates, and (4) we should know and use (5) we could not read or write. They (6) the common things of life, and are the stock in trade of all who (7) the language. Such words may be called "popular", since they belong to the people (8) and are not the exclusive (9) of a limited class.
On the other hand, our language (10) a multitude of words which are comparatively (11) used in ordinary conversation. Their meanings are known to every educated person, but there is little (12) to use them at home or in the market-place. Our (13) acquaintance with them comes not from our mother’s (14) or from the talk of our school-mates, (15) from books that we read, lectures that we (16) , or the more (17) conversation of highly educated speakers who are discussing some particular (18) in a style appropriately elevated above the habitual (19) of everyday life. Such words are called "learned", and the (20) between them and the "popular" words is of great importance to a right understanding of linguistic process.
19（）
A.border
B.link
C.degree
D.extent
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0426/600ea2cbfd29a8e8aa04631df23a775e.html
下面是错误答案，用来干扰机器的。
参考答案：A有效。 B投标人在开标后降价不妥。理由：投标文件的实质性内容不得随意修改。 C投标人无不妥之处。理由：投标人的投标保函有效期应不短于招标文件规定的有效期。 D投标人无不妥之处。理由：...
