为防止监管主体滥用职权或越权行为，必须对其监管权的行使进行哪些相应的制约和监督（）

—Ambulance(急救）,please. —Ambulance.________小题1:
—I'm in a phone box outside No. 30,Nanjing road. _____________小题2:
—There，s been an accident. A man has been run over. He ’ s losing a lot of blood. Please send an am­bulance at once. —Is there a doctor there?
—No, there' s only me. The driver didn't stop__________. 小题3:
—Yes. Don' t move the patient.____________ 小题4: Keep the patient warm, but don ’ t give him anything to eat or  drink. OK?
—Right, please urryt
—Don ’ t worry. ______小题5:

A. What‘ s the trouble,sir?

B. What can we do for you?

C. Is there anything I can do?

D. Where are you calling from?

E. Try to stop bleeding.

F. Where is the patient?

G. The ambulance is on its way now.