单项选择题 What is the explanation for the word or phase “damp”? A、rain for a short time B、cold and a bit wet C、a loud noise of a storm D、changing a lot

单项选择题 As a subject-centered language, Chinese tends to use animate things as the subject, usually a person. （ ） A. 对 B. 错

单项选择题 为防止着火与爆炸，关于活塞式空压机油的管理，描述错误的是______。