纪律和自由是对立统一的关系，二者是不可分的
正确
暂无解析
若A为3阶方阵且|A-1|=2，则|2A|=()
对外贸易依存度是指()
Theproductdoesn’twork_______itsaysintheadvertisement.
Youshouldtrytowrite__________evenwhenyou’rebusy.Asyouknow,practicemakesperfect.
Mr.Smithisingoodhealthnowforitisquitealongtimesincehe__________.
