术后预防全麻患者发生窒息、呼吸困难的最重要措施是()。
A.保留气管插管
B.高流量吸氧
C.去枕平卧,头偏向一侧
D.气管切开
E.注射阿托品
参考答案:C
要从自定义对话框Form2中退出,可以在该对话框的“退出”按钮Click事件过程使用( )语句。
A.Form2.Unload
B.Unload Form2
C.HidForm2
D.Form2.Hide
Some researchers feel that certain people have nervous systems particularly to hot, dry winds. They are what we call()weather sensitive people.
A.subjective
B.subordinate
C.liable
D.vulnerable