第21题: [单项选择]一切体表外科疾病未溃破的肿块称 A. 溃疡 B. 疮疡 C. 肿疡 D. 脓疡 E. 痈疽 参考答案:C
第22题: [单项选择]Syntax mainly deals with ______. A. how a language changes through time B. how words are combined to form sentences and the rules C. how the human work when they use language D. how a language varies through geographical space 参考答案:B 答案解析:句法学主要研究句子结构以及词、词组和短语组成句子的规则。