儿童继发性高血压最常见的原因是（）
A.内分泌疾病
B.颅脑病变
C.中毒
D.激素应用
E.肾脏疾病
参考答案：E
His first book ________ next month is based on a true story.[ ]
A．published
B．to be published
C．to publish
D．being published
如果选用皮瓣或肌皮瓣的方法，哪个最为方便可靠，对供区的损害最小
A．臀大肌肌皮瓣
B．臀大腿皮瓣
C．含第2腰椎动脉的腰臀皮瓣
D．阔筋膜张肌肌皮瓣
E．逆行的背阔肌肌皮瓣
