从供选择的答案中选出应填入下列英语文句中{ }内的正确答案，把编号写在答卷的对应栏内。
It is traditional when dealing with languages of all sorts to try to separate co
nerns with{ A } , the subject of syntax, from concerns with B , the field of semantics, Consider the simple "language" of binary numerals. Some examples of binary mumerals are
| 0 | 1 |
| 101 | 0101 |
| 11001 | 101111 |
A communication in this language evidently consists of a finite sequence of characters '0', '1' This is just syntax however, and says C about what such a communication is intended to mean.
Mumbers are "D" mathematical concepts, whereas the digit strings that strings that appear on paper are numerals, that is to say, E representations or descriptions of numbers.
供选择的答案
A～C：①symbol ②form ③meaning ④context
⑤nothing ⑥concept
D、E：①abstract ②concrete ③simple ④ordinary
⑤symbolic ⑥logic
【解析】
优易学网站提示参考译文：处理各种语言时，传统的做法试图将有关形式的语法问题和有关含义的语义方面区分开来。考虑简单的二进制数的"语言"。下面是二进制数的例子
【答案】A：② B：③ C：⑤ D：① E：⑤
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