题目

It seems difficult to________“hurt” from “injure” in meaning. A．judge  B．tell C．divide  D．separate   答案：Bjudge 判断；断定，常说judge a person by/from his looks 以貌取人；tell“辨别；识别”，强调分辨异同，常说tell...from...“把……与……区分开”或tell...apart 区别开……。  判断命题“存在实数x,y，使|x+y|=|x|+|y|”的真假.