We don’t know ______. A: this is whose dictionary B: whose dictionary is this C: whose dictionary this is D: whose is this dictionary

The key in the dictionary can't be a dictionary type, but value can be a dictionary type. A: 正确 B: 错误

下列选项中，Python支持的数据类型是（ ） A: A. string B: B. char C: C. float D: D.dictionary

As a general Chinese-English dictionary, ______ is the most complete and up-to-date, most elaborately. A: The Concise Oxford Dictionary, Ninth Edition(1996) B: Longman Dictionary of Contemporary English (LDCE) New Edition (1987) C: Collins COBLLILD English Language Dictionary (CCELD) (1987) D: A Chinese-English Dictionary (Revised Edition) (CED) (1995)

The dictionary is __________.

dictionary

The fact that the whole vocabulary can be divided up into fields can be exemplified by ______. A: Roget’s Thesaurus B: Concise Oxford Dictionary C: New Webster’s Dictionary D: Cobuild Dictionary

3. According to the dictionary named The Random House Dictionary of the English Language, what is communication?

定义字典dictionary，以下选项中对 a in dictionary 的描述正确的是（ ） A: a是一个二元元组，判断x是否是字典dictionary中的键值对 B: 判断x是否是字典dictionary中的键 C: 判断x是否在字典dictionary中的以键或值的方式存在 D: 判断x是否是字典dictionary中的值

This dictionary is available in electronic ______ .