确诊支气管扩张,下列哪项最有意义()。
A.胸部X线平片
B.胸部X线透视
C.临床表现
D.纤维支气管镜检查
E.胸部薄层高分辨率CT(GRCT)
参考答案:E
The proposals they put ______ at the meeting were ______much significance to our plan’s being carried out smoothly.
A.out; of
B.up; for
C.forward; of
D.down; for
存有精密仪器的场所发生火灾宜选用()灭火。
A.四氯化碳灭火器
B.泡沫灭火器
C.二氧化碳灭火器
D.干粉灭火器