36．What does the word“superiority”（Line 1，Para.1） mean?
　　A．Being complete．
　　B．Being better．
　　C．Being large．
　　D．Being tiny．
　　37．We can learn from the first paragraph that_____
　　A．some kind of languages may be better than others
　　B．We can not say one language is better than others
　　C．it is difficult to know which language is better than others
　　D．1anguage contains some grades
　　38．The languages of backward groups were regarded as underdeveloped because______
　　A．their languages were dimcult to understand
　　B．the history of their languages was not long
　　C．the sounds of their languages were very easy to understand
　　D．their languages mainly contained rough and simple sounds
　　39．In the author’S view，some languages“fall behind”western languages in the aspect of______
　　A．their sound pattern
　　B．their grammatical structures
　　C．their vocabularies
　　D．their speakers
　　40．Which of the following is NOT true according to the passage?
　　A．Language is to be viewed with ranks or grades．
　　B．Most languages of“backward”groups are complex enough to express ideas．
　　C．Generally languages are probably developed from simple Sounds．
　　D．All languages seem to possess the system for vocabulary expansion．