【多选题】在以下选项中,( )是精馏塔常见操作故障
【单选题】临床上治疗多汗、漏汗时,可采用补气之法,其机理在于:( )
【单选题】–I have little money. Could I ______ some _______ you?
【单选题】–Could I _____ this book? --Sure. But you can only _____ it for one week.
【简答题】不同的企业法律形态对企业产生的影响有哪些?
【单选题】––I didn’t go to work yesterday because my car broke down. ––You _____ mine. I wasn’t using it then.
【单选题】– Could you tell me how long ________ the books? ––Three days.