单项选择题临床上说的子宫附件是指A. 卵巢B. 卵巢和阴道C. 输卵管和阴道D. 卵巢和输卵管E. 阴道
单项选择题_________ means that certain authorities, such as the government choose, a particular speech variety, standardize it and spread the use of it across regional boundaries. A、Language interference B、Language changes C、Language planning D、Language transfer