【简答题】What are the problems in each of these conference calls?Extract 1: ______________________________Extract 2: ______________________________Extract 3: ______________________________Extract 4: ______...
【简答题】____________ ____________ can be used to squeeze negotiations into the last remaining minutes of a meeting in order to extract concessions from one party.
【多选题】(多选)关于晶体、液晶和饱和汽的理解,下列说法正确的是( )