用适当的介词或副词填空：（每小题0.5分，共5分）
There is no known cure _________ the disease.      
All houses within 100 meters of the sea are ____________ the risk of flooding.  
A teacher should not show preference ____________ any one of his pupils. 
People here have a more relaxed attitude __________ their work.  
Where can I exchange my dollars ________ pounds? 
Janet has been _______ a lot of stress since her mother’s illness. 
There are several different models to choose _________.  
The heights of the plants vary _______ 8 cm to 20 cm.    
The terrible car accident resulted _______ his drinking.  
The closure of the factory will cause severe damage ______ the local economy.