翻译下列句子。  

(1)鸢飞戾天者，望峰息心。                                                                                 

(2)既醉而退，曾不吝情去留。                                                                                 

(3)不戚戚于贫贱，不汲汲于富贵。                                                                                 

(4)其真无马邪？其真不知马也。                                                                                 

(5)争高直指，千百成峰。_____________________________________

墨子说：“尽也农夫之所以早出暮入，强乎耕稼树艺，多聚菽粟，而不敢怠倦者，何也？曰：彼以为强必富，不强必贫；强必饱，不强必饥，故不敢怠倦。”上述引文反映出在战国时期  [ ]

A．土地兼并严重，农民生活悲惨困苦      

B．奴隶地位低下，阶级矛盾日益激化

C．铁器牛耕推广，奴隶主役使奴隶去开荒  

D．生产方式改变，农民生产积极性提高