【单选题】按照管理技能分配,管理开发培训可以分为( )。
【单选题】某一对流干燥流程需一风机:(1)风机装在预热器之前,即新鲜空气入口处;(2)风机装在预热器之后。比较(1)、(2)两种情况下风机的风量VS1和VS2,则有( )。
【单选题】The graduate committee must be in full accord in their approval of a dissertation. The underlined part means ______.
【单选题】The chapter in question __________ .
A.
mainly deals with the ways of dissertation writing
B.
presents information on publishing papers in professional journals
C.
introduces some library services
D.
describes some professional meetings
【单选题】含碳量1.3%的铁碳合金在950°C时的组织为()
【单选题】All the references she has obtained for her doctoral dissertation ______ about twenty items.