补写下列名句。   

1．书犹药也，                                     。   

2．风一更，雪一更，                                    ，                                          。 

3．独在异乡为异客，                                          。 

4．春生江上几人还？                                      。 

5．非淡泊                           ，  非宁静                                。

热工条件稳定时，原料中含粉率增加能使烟气温度降低。