What the science teacher does andsays ____ of great importance to college students

He is very popular among his students as he always tries to make them ____ in his lectures. [ ]

They like going to sleep early, don’t they—- Yes. They are accustomed ___________ very late.

Thanks to the application of new farming methods,output is now six times _____it was before 2000.

依次填入下列各句横线处的成语，最恰当的一组是（ ）①如果我们今天的决定与当初坚持的宗旨 ，公司还有存在的意义吗②成功需要脚踏实地地努力，只靠烧香拜佛，这是 ，其结果可想而知。③有些企业一面想要以诚信示人，另一面却在制造假冒伪劣产品，如此 ，企业的信誉怎么能树立起来。