默写上下句。8N*W1o3\;s4V:e;@
1．人非生而知之者，)T0W/c+Z,o7O,K'a4k0f/C4N0]1P,u。8N*W1o3\;s4V:e;@
2．2d-]0f6L:['D8k7j，再而衰，三而竭。8N*W1o3\;s4V:e;@
3．甘瓜苦蒂，6`/Z0x/z*H.O1a:p*J;|。8N*W1o3\;s4V:e;@
4．种树者必培其根，+N)S(~5u,m2x(~'b;r.m。8N*W1o3\;s4V:e;@
5．:@+v9d9Q;W3E;i-p5].~1N2L，观千剑而后识器。8N*W1o3\;s4V:e;@