根据资本结构的啄序理论，公司选择筹资方式的顺序依次是（）。 A.股权筹资、债务筹资、

侧卧后前位是指（）

A.仰卧于摄影床上，X线从腹侧射入，背侧射出

B.侧卧于摄影床上，X线从右或左侧射入，左或右侧射出

C.仰卧于摄影床上，X线从背侧射入，腹侧射出

D.侧卧于摄影床上，X线从背侧射入，腹侧射出

E.侧卧于摄影床上，X线从腹侧射入，背侧射出

After John’s first wife died, he gets married again. His second wife was more younger than he was and they often quarreled. John once came home lately after work, his wife said to him that he had waited for two hours. She was too angry that she gave him a push, which made him fall down the stairs so he is old and weak. When Steven, one of John’s neighbor, heard the noise, he was eager to know which was happening. He came John’s front door and knocked. “What’s happened?” he asked. “My coat fell down the stairs,” John answered. When the neighbor said a coat wouldn’t make so many noise, John answered, “Of course it would if I was inside it!”

（）除喷头外，喷灌系统的所有组成部分均固定不动，各级管道埋入地下，支管上设有竖管，根据轮灌计划，喷头轮流安设在竖管上进行喷洒。

A.固定式喷灌系统

B.移动式喷灌系统

C.平移式喷灌机

D.绞盘式喷灌机

若煤气中毒患者烦躁不安，呕吐，采用（）治疗效果好。

A.饮用浓茶水

B.高压氧治疗

C.量子血疗

D.氧吸入

在变频器上安装制动电阻是为了防止变频器（）。

A.过电压跳闸

B.过电流跳闸

C.接地跳闸

D.短路跳闸