空腹时，听诊出现振水音，可见于
A．幽门梗阻B．肾病综合征C．结核性腹膜炎D．肝硬化E．急性肠炎
参考答案：A
请根据下面提示，写一篇短文。词数不少于50。
In your spoken English class, your teacher shows you the following picture. You are asked to describe the picture and explain how your understand it.
小儿心脏发育的特点是
A．7岁时心腔容积已达成人水平B．新生儿和小于2岁的幼儿心脏呈斜位C．左、右心室的增长不平衡D．10岁以前主动脉的直径较肺动脉宽E．心率相对较慢，是因心搏出量比成人小所致
