1.    There is an abundant supply of cheap labor in this country.

　　A. a steady                  
　　B. a plentiful                
　　C. an extra                  
　　D. a stable

　　2.    The most crucial problem any economic system faces is how to use its scarce resources.
　　A. puzzling                  
　　B. difficult                  
　　C. terrifying                
　　D. urgent
　　3.    The room was furnished with the simplest essentials, a bed, a chair, and a table
　　A. supplied                  
　　B. gathered                  
　　C. grasped                  
　　D. made
　　答案：1. B ；2. D； 3. A