71．sometimes/occasionally 72．delay/postpone 73．Consequences/Results74．choice/option/alternative 75．concentrate/focus 76．perfectly/well77．Approaches 78．wise 79．reward 80．consult71．sometimes/occasionally．同义词或词组转换，由第三段We all put off doing things at times．可知．72．delay/postpone 同义词或词组转换，由第三段25% of university students put off almost everything all the time．可知．73．Consequences/Results结大意，根据第三段This more serious form of procrastination can result in a student dropping out of school．和后面的各项可知，此空应该是结果或后果及影响．74．choice/option/alternative 同义句替换，根据第三段 For the chronic（长期的）procrastinator，often the only way to solve this problem is to quit school．可知是"别无选择，只有退学"．75．concentrate/focus 词性转换，由第四段Another reason why students put off doing things is that they feel a subject is boring and have difficulty concentrating on an assignment．另外一个推辞做事的原因是他们难以把注意力集中于作业上．76．perfectly/well根据文章第四段they often worry that their work will never be as good as it should be and fear failure of any kind 可知他们担心他们的工作不完美，并且害怕失败．77．Approaches 根据文章第五段The following five tips may be helpful．可知接下来是给我们提供的避免推辞的方法．78．wise 根据文章第八段manage your time wisely． 可知理智地管理时间．79．reward 根据文章第九段when you accomplish a goal，do something good for yourself as a reward． 可知当完成目标的时候，一定要奖励自己．80．consult 根据文章最后一段Talk to a professional，and discuss the problem． 可知向专家咨询，谈论问题．
