【单选题】My uncle has a lot of books, _______ are about computer science and technology.
【多选题】下列哪些属于PSD控制系统的 三级 控制方式
【单选题】My uncle has a new car now. He___ 99000 RMB on it.
【单选题】My uncle has a ____ of humor.
【判断题】车站、代售点窗口发售、换取儿童票时,必须有一张同一日期、车次、发站的成人车票,否则不得单独发售或换取儿童票。
【单选题】My uncle has a great ______ collection. [ ]
【单选题】My uncle has a great _____. [ ]
【单选题】发电机的调整特性曲线是指在保持转速、负载功率因数和端电压不变的条件下( )
【单选题】My uncle has a ____ of humor.