【多选题】下面关于正式沟通渠道特点描述正确的是( )
【单选题】He ___________the club when he was studying in New York. [ ]
【多选题】清洁剂使用不当或管理不当,会出现下列()问题。
【单选题】He ( )( )( )the Communist Party( )( )( )2009.
【单选题】下列项目中不计入企业所得税收入总额计征所得税的是( )。
【单选题】What can be inferred about Jack McCarrol?
B.
He recently joined AIE.
C.
He runs his own engineering firm.
D.
He wrote a letter of complaint to AIE.