【单选题】What can be the best title for the text?
A.
Sign language and spoken language.
C.
Findings about sign language.
D.
The origin of language.
【单选题】●A highlevel language is an artificial language with which we can write various (71) . (71)
【判断题】使用光符号识别方法输入数据的方式是交互式输入方式。()
【单选题】使用光符号识别方法输入数据的方式是( )
【简答题】世界贸易组织确立的经济体制是() A自由贸易体制 B市场经济体制 C公平竞争机制
【单选题】Which animal can be said to have language if language is defined as a system for exchanging information by making new combinations of symbols?