①真理是具体的有条件的 ②真理和谬误往往相伴而行
③真理包含着谬误的成分 ④真理和谬误没有严格界限
— What about going shopping together?
— Sorry, I have a lot of homework _______.
贫血患者应多吃含蛋白质和铁丰富的食物.(判断对错)