Critical Thinking for Children Critical Thinking for Children 第一集 http://v.youku.com/v_show/id_XNTQyMDQwNDg0.html 第二集 http://v.youku.com/v_show/id_XNTQyMDIzNjA4.html 第三集 http://v.youku.com/v_show/id_XNTQyMDI0MTc2.html 第四集 http://v.youku.com/v_show/id_XNTQyM ...