四级筒下料管堵塞时,主要表现为()
A、温度变化
B、压力变化
C、温度和压力变化
参考答案:B
- Shall we hand in the report tomorrow?
- _______. I don't think our teacher will be happy with it.
A.Never mind
B.Sure, go ahead
C.We'd rather not
D.Yes, better not
女性,50岁,于全身麻醉下行甲状腺大部切除术,术后第2天口唇麻木,四肢抽搐。即刻处理应是( )
A.口服大剂量葡萄糖酸钙B.口服维生素D3丸C.口服二氢速固醇油剂D.静脉注射10%葡萄糖酸钙10mlE.静脉注射镇静剂