呼吸衰竭患者二氧化碳潴留的皮肤黏膜征象包括
A．皮肤温暖
B．皮肤潮红
C．皮肤潮湿
D．少汗
E．球结膜充血、水肿
参考答案：A,B,C,E
— Has James finished his report on his Enquiry Learning yet?
— I'm not sure. She _____ on it last week. [ ]
A. was working
B. has worked
C. worked
D. had worked
超声引导下进行肾脏穿刺活检，最易产生的并发症是（）
A.尿路感染
B.肾内血肿
C.血尿
D.肾包膜下血肿
E.肾包膜外血肿
