测交种（test cross variety）

1、测交（test-crossing）

测交（test-crossing）

2、测交种

测交种

3、Despite of the variety and individuali

Despite of the variety and individuality, Americans are fond of uniforms becauseAa man who wears a uniform. can be respected by othersBthe unif...

4、Sociolinguists study varieties of lang

Sociolinguists study varieties of language and，accordingly，will be interested in the analysis of all of the following EXCEPT__.Aregional dialectBregisterCfigures of speechDsocial dialect

5、言语变体（speech variety）

言语变体（speech variety）

6、变种（variety）

变种（variety）