According to the author, one can hardly achieve excellence unless one ______.

单项选择题According to this passage ______.

单项选择题From this passage we know that workaholic is a term referring to those ______.

单项选择题A．HoweverB．FinallyC．WhereasD．Because

单项选择题A．claimedB．calledC．thoughtD．told

单项选择题A．otherB．bigC．littleD．robot