题目

What do the world’s most successful people all have in common? By examining the work habits of over 150 greatest writers and artists and scientists, the researchers including Standford Professor Jeffrey Preffer found that high achievers like Robert Moses turn out to be all alike: Busy ! Busy! 66．   In a study of general managers in industry, John Kotter reported that many of them worked 60 to 65 hours per week—which translates into at least six 10-hour days. The ability and willingness to work difficult and tiring hours has characterized many powerful figures. Energy and stren9．如图是人类的生长曲线图，从图中能得到的信息是（　　）A．a时期和b时期是人一生中生长最快的两个时期B．c时期是人处于青春期C．青春期最显著的变化是性器官的发育和成熟D．性器官成熟的标志是女孩出现月经、男孩出现遗精