下述正常脾脏CT表现，哪项不对() ["A．脾脏上下径<15cm","B．CT平扫，比肝脏略高","C．平扫CT值，30～70HU","D．脾脏厚度3～4cm","E．脾脏强化先于肝脏"]
胃扭转()先天性肥厚性幽门狭窄()幽门痉挛() ["A．喷射样呕吐，可见胃型并摸到橄榄样肿块","B．生后即出现呕吐，喷射性，不含胆汁，无橄榄样肿块","C．生后即出现不规则呕吐，不含胆汁，无橄榄样肿块，阿托品治疗有效","D．生后出现呕吐，不舍胆汁，无橄榄样肿块，喂稠奶，采用俯卧位有效","E．生后出现呕吐，不含胆汁，X线检查胃大弯位于小弯之上"]
CT平扫，常呈等密度表现的病变为() ["A．血管瘤","B．肝内胆管结石","C．肝脓肿","D．局灶性结节增生","E．肝腺瘤"]
房间隔缺损()法洛四联症()室间隔缺损() ["A．电轴左偏，左室高电压","B．P-R间期延长","C．期前收缩","D．不完全性右束支传导阻滞","E．右心室肥大"]
多血供性肝转移者，原发灶常为() ["A．肺癌","B．胃腺癌","C．结肠癌","D．肾癌","E．乳腺癌"]
能自己坐起来。躺下去，会拍手的月()能发出“爸爸，妈妈”等复音的月龄()大声发笑的月龄是()
