despread method for conducting business , but is it a wise one ? the method is now being challenged by more and more people .利用关系是做生意的普遍做法，但这种做法明智吗？现在，越来越多的人对这种方法提出了质疑。

　　9.these days we often hear about the widening gap between the rich and poor . some argue the developed world has totally ignored the problem . but has it ? close examination fails to bear out the argument .

　　最近，我们经常听到贫富差距扩大了的说法。一些人认为发达世界完全忽略了这个问题。事实是这样吗？细致的调查无法证实这一观点。

　　10.we're often told that the world is tethering on the brink of destruction . but is this really the case ?

　　我们经常被告知世界处于毁灭的边缘。但事实真是这样吗？

　　11.one of the pressing problema facing our nation ( china ) today is overcoming disparities in urban and rural income levels .

　　我们国家（中国）如今面临的紧迫问题之一是克服城乡收入水平之间的差距。

　　12.one of the most serious problems many people talk about centers on the lack of adequate housing space .

　　许多人

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