解析：当分数的分子大于1的时候，分母序数词后加s；“分数或百分数＋of＋名词” 作主语时，根据名词的单复数来确定谓语的单复数。

　　答案：D

　　15.(2009·青岛一检)—When will you be through with your work？

　　—？ My boss usually finds something for me to do at the last minute.

　　A.Who knows

　　B.Would you help me

　　C.I beg your pardon

　　D.Anything the matter

　　解析：该题考查交际用语。be through with意为“完成”。句意：“你什么时候能完成工作？”“谁知道呢？我老板总是在最后时刻给我安排一些事情”。

　　答案：A

　　.完形填空

　　In some cities， workaholism(废寝忘食工作)is so common that people don't consider it unusual. They accept the lifestyle as 　1　. Government workers in Washington， D. C. ，　2　， frequently work sixty to seventy hours a week. They don't do this because they have to； they do it because they 　3　 to. Workaholism can be a(n) 　4　problem. Because true workaholics would rather work than do anything else， they　5　have no idea of how to relax， that is， they might not 　6　 movies， sports， or other types of entertainment. Most of all， they 　7　 to sit and do nothing. The lives of workaholics are usually stressful， and this tension and worry can cause 　8　 problems such as heart attacks and stomach diseases. 　9　， typical workaholics don't pay much attention to their families. Their marriages may end in 　10　 as they spend little time with their families.

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