(NP-SBJ 
  (-NONE- *pro*))
                    
(VP 
  (ADVP 
    (AD 先后))
                    
  (VP 
    (VV 选送)
                    
    (NP-OBJ 
      (QP 
        (CD 十多)
                    
        (CLP 
          (M 名)))
                    
      (ADJP 
        (JJ 优秀))
                    
      (NP 
        (NN 干部)))
                    
    (IP 
      (NP-SBJ 
        (-NONE- *PRO*))
                    
      (VP 
        (VSB 
          (VV 外出)
                    
          (VV 攻读))
                    
        (NP-OBJ 
          (NN 博士)
                    
          (PU 、)
                    
          (NN 硕士)
                    
          (NN 研究生))))))
arg0: 
                    *pro*          
                
argm: 
                    先后          
                
arg1: 
                    十多 名 优秀 干部          
                
arg2: 
                    外出 攻读 博士 、 硕士 研究生