男孩，1岁。智能落后，表情呆滞，鼻梁低，舌宽大并常伸出口外，皮肤苍黄、粗糙，四肢粗短，腱反射减弱。最可能的诊断是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32597' and id < 2591949 and id<>'2591949' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32597' and id > 2591949 and id<>'2591949' order by id asc limit 5