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          If we ______ take environmental problems seriously, the earth _______ worse and worse.
          A．don’t; will beB．won’t; isn’t
          C．won’t; isD．don’t; won’t be
          			
          


			
          

		
          
		
		
	
          
		
          
			
          
				
          
				
          A

          試題分析：句意：如果我們不嚴(yán)肅對(duì)待環(huán)境問題，地球就會(huì)變得越來越糟糕。結(jié)合語境可知主句描述的是將來動(dòng)作，故用一般將來時(shí)態(tài)。當(dāng)主句描述將來動(dòng)作時(shí)，英語條件狀語從句中一般用一般現(xiàn)在時(shí)態(tài)。選A。
          				
          
							
          
			
          
			
          
			
			
          
		
          
	
          

		
          

		





			
          
		
          
		
				
          
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