(IP 
  (IP 
    (LCP-TMP 
      (QP 
        (CD ２０)
                    
        (CLP 
          (M 年)))
                    
      (LC 前))
                    
    (NP-PN-SBJ 
      (NR 中)
                    
      (NR 美))
                    
    (VP 
      (ADVP 
        (AD 正式))
                    
      (VP 
        (VV 建交))))
                    
  (PU ，)
                    
  (IP 
    (NP-SBJ 
      (-NONE- *pro*))
                    
    (VP 
      (VP 
        (VV 揭开)
                    
        (AS 了)
                    
        (NP-OBJ 
          (DNP 
            (NP 
              (NP 
                (QP 
                  (CD 两))
                    
                (NP 
                  (NN 国)))
                    
              (NP 
                (NN 关系)))
                    
            (DEG 的))
                    
          (ADJP 
            (JJ 新))
                    
          (NP 
            (NN 篇章))))
                    
      (PU ，)
                    
      (CC 并)
                    
      (VP 
        (PP-LOC 
          (P 在)
                    
          (LCP 
            (NP 
              (ADJP 
                (JJ 当代))
                    
              (NP 
                (NN 国际)
                    
                (NN 关系)
                    
                (NN 史)))
                    
            (LC 上)))
                    
        (VP 
          (VV 写下)
                    
          (AS 了)
                    
          (QP-OBJ 
            (CP 
              (WHNP-1 
                (-NONE- *OP*))
                    
              (CP 
                (IP 
                  (QP-SBJ 
                    (-NONE- *T*-1))
                    
                  (VP 
                    (VA 重要)))
                    
                (DEC 的)))
                    
            (QP 
              (CD 一)
                    
              (CLP 
                (M 页)))))))))
arg0: 
                    *pro* 
                
arg1: 
                    *OP* *T*-1 重要 的 一 页 
                
argm: 
                    在 当代 国际 关系 史 上