一套完整的防雷装置包括接闪器或防雷器、()和接地装置。
参考答案:引下线
____ up in the countryside, Jimmy wasn’t used to ___ with his parents in the city.
A.Growing; living
B.Grown; live
C.Growing ; live
D.Grown; living
属于Ⅱ型呼吸衰竭的血气分析变化是()
A.PaO265mmHg,PaCO240mmHg
B.PaO255mmHg,PaCO245mmHg
C.PaO250mmHg,PaCO260mmHg
D.PaO285mmHg,PaCO255mmHg
E.PaO275mmHg,PaCO230mmHg