The group of people who work without plants or windows were

　　the most dissatisfied, with only 58 percent of them saying that overall they were “content”or“very happy”. While no one who works with plants, windows, or both reported they felt“miserable”，0.8 percent of those who work in offices without either said they were “miserable”．“I was really surprised that having a plant in your office appeared to be more beneficial than having a window in your office，”Cade said.“Everybody says，‘I need a window！'but actually it seemed like a plant could be a suitable alternative.”

　　52．What does the passage mainly tell us?

　　A．Green plants can increase job satisfaction.

　　B．An easier way to increase job satisfaction.

　　C．What the best working environment is.

　　D．Who are happy with their job environment.

　　答案　A　[主旨考查题。通篇是围绕在办公室里摆放绿色植物可增加工作快乐指数而展开的。]

　　53．Among the 450 people surveyed, ________.

　　A．69 percent have plants in their offices

　　B．60 percent have windows in their walls

　　C．0.8 percent of them feel dissatisfied

　　D．about 18 percent of them are satisfied

　　答案　D　[细节辨认题。第四段的头两句说：接受调查的有450人，其中82人满意。其他的数据都不是根据450这个数字计算出来的。室内有植物但没窗户的人，69%满意，有窗户没植物的满意率是60%；第五段中，既没窗户又没植物的环境下的人，有0.8%说“糟糕”。]

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