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          Scientists from different countries are trying to_____ a good way to solve the energy problem.
          A．keep up withB．come up with
          C．catch up withD．meet up with
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          B
          

          解析試題分析：句意：來自不同國家的科學(xué)家們正在盡力想出解決能源問題的好的方法。A. keep up with保持不落后； B. come up with想出； C. catch up with趕上； D. meet up with偶遇，根據(jù)句意此題應(yīng)選B。
          考點(diǎn)：考查動(dòng)詞詞組
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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