甲为非法占有他人财物,在某小区门口假装问路,趁路人丙不备,抢走丙手中的手机后逃跑,甲的行为构成何种罪名?( )
商业银行在衡量组合信用风险时,必须考虑到信贷损失事件之间的相关性,据此,下列说法最恰当的是( )。
To assess how well a student is performing relative to his or her own previous performance, a teacher should use______________assessment.