23．D 细节理解题。由第二段最后一句Thus changing the way you think about yourself is the key to changing your self－image and your whole world.可知答案。
24．C 主旨大意题。第一段最后一句中有build a positive self－image，第三段首句的The best way to defeat a passive self－image is to…，最后一段的首句The best way to get rid of a negative self－image is to…都是说明如何构建积极的自我形象的。
25．B 推理判断题：由第一段第四句中we're the apple of our parents' eyes…，our grandmas think we're…等可知，本文应当是写给青少年阅读的。
