慢性肺心病发生心衰时,首要的处理措施是( )
A.控制感染,改善呼吸功能 B.运用强心剂 C.运用利尿剂D.运用血管扩张剂 E.控制心律失常
参考答案:A
句型转换。
1. She is cleaning the room now. (对划线部分提问)
_____ _____ she _____ now?
2. It's sunny today. (对划线部分提问)
_____ the weather today?
3. Tom went to the library last Sunday. (改为一般疑问句)
_____ Tom _____ to the library last Sunday?
4. I'd like beef and mutton noodles. (对划线部分提问)
_____ _____ _____ noodles would you like?
5. You can't play soccer in the hallways. (改为祈使句)
_____ _____ soccer in the hallways.
在使用显微镜观察菌体时,()的操作方法是错误的。
A、进行低倍镜观察时,应转动粗螺旋,使载物台上升至距标本0.5厘米处
B、观察时,应使标本逐渐远离镜头
C、高倍镜转换为油镜观察时,用粗调螺旋调节使视野清晰
D、进行观察时应保持两眼睁开,用左眼观察,右眼便于画图