肺心病出现精神障碍主要见于
A．肺泡毛细血管急性损伤B．支气管肺感染和阻塞C．肺弥散功能障碍D．肺动脉高压E．肺性脑病
参考答案：E
Sally _____ her MP4 for 3 years. [ ]
A. have bought
B. has bought
C. have had
D. has had
架线车通过110KV高压电力线下方时，应保持（）mm的安全距离。
A．1500
B．2500
C．3500
D．4500
