5、数组声明
  --- = array [*..*] of ---;

6、if 语句
  if (--------) then
    -------------;

  if (--------) then
  begin
    -------------;
    -------------;
    -------------;
  end;

  if (--------) then
    -------------;
  else
    -------------; 

  if (--------) then
  begin
    -------------;
    -------------;
    -------------;
  end else
    -------------;

   if (--------) then
  begin
    -------------;
    -------------;
    -------------;
  end else
  begin
    -------------;
    -------------;
    -------------;
  end;

  if (--------) then
    -------------
  else if (--------) then
    -------------; 

7、for 循环

   for i := -------- to -------- do
     -------------;

   for i := -------- to -------- do
  begin
      -------------;
      -------------;
     -------------;
   end;

   for i := -------- to -------- do
      if (--------) then
      begin
         -------------;
         -------------;
         -------------;
       end;

   for i := -------- to -------- do
     with -------- then
     begin
        -------------;
       -------------;
       -------------;
     end;

8、while 循环

  while ------ do
  begin
    -------------;
    -------------;
    -------------;
  end;

9、repeat 循环
  repeat
    -------------;
    -------------;
    -------------;
  until ------; 

10、case 语句

   case -------- of
     -------- :   -------------;
     -------- :   -------------;
     -------- :   -------------;
           else    -------------;
   end;

   case -------- of
      -------- :
        -----------------------------------------------------------------;
      -------- :
        -----------------------------------------------------------------;
      -------- :
        -----------------------------------------------------------------;
           else
        -----------------------------------------------------------------;
    end;

  case -------- of
     -------- : begin
                        --------------------------;
                        --------------------------;
                        --------------------------;
                    end;
     -------- : begin
                        --------------------------;
                        --------------------------;
                        --------------------------;
                     end;
     -------- : begin
                       --------------------------;
                       --------------------------;
                       --------------------------;
                    end
           else  begin
                       -------------;
                       -------------;
                       -------------;
                    end;

  end; 

11、with 语句
   with -------- do
      -------------;

   with -------- do
   begin
      -------------;
      -------------;
      -------------;
   end; 

12、try 语句
     try
       -------------;
       -------------;
       -------------;
     finally
       -------------;
       -------------;
       -------------;
     end;

     try
       try
         -------------;
         -------------;
         -------------;
       except
          -------------;
           -------------;
       end;
     finally
       -------------;
       -------------;
       -------------;
     end; 

13、其它
     运算:运算符前后要有空格
     w1[n] := ((i + 1) * v0[n] + j * v1[n] + (k - 1) * v2[n]) / depth;

     -- = --
     -- >= --
     -- <= --
     -- > --
     -- < --
     -- <> --
     -- := --;   赋值
     --: ----;   类型 

     同一类型且含义逻辑上不并列的变量  20个字符长的变量名
     private
       -------                 : -------;
       -------                 : -------;
       -------                 : -------;
       -------                 : -------;
       -------                 : -------;
     var
       -------                 : -------;
       -------      &

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