正确答案: A
            经济范畴 
            题目:作为社会现象的阶级,它是一个(  )
             解析:A
 
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            学习资料的答案和解析:
                                                    
                                 
                
                 [单选题]--Nancy's grades are really bad.--Yes, but Tom's are ______.
                                                
                  
                                                                                                                     worse 
                                                                                                                                    
                
                解析:根据所给的选项及对话内容,后者想说与南茜比起来汤姆的成绩更糟。因是两人之间的比较,故用比较级。南茜的成绩实在是很差。不过,汤姆的成绩更差。
 
                            
                
                 [单选题]Wolfgang's father told him he couldn't play the piano yet because______.
                                                
                  
                                                                                                                                                                 he was too small 
                                                                                        
                
                解析:37.答案为C  此题为细节题。第一段最后几句的大意是,莫扎特跟爸爸说他想弹钢琴,但爸爸告诉他他还小,等长大了再弹。