11.  Demographic analysis can be applied to whole societies or to groups defined by criterion such as education, nationality, religion and ethnicity.
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【正确答案】 1、C。可数名词单复数误用。名词后面有such as词组修饰，应该是复数概念，所以用criterion的复数形式criteria。考生应当熟悉一些常用的外来词的复数形式，并了解这些外来词单数变复数的规律，如：stratum—strata, alumnus—alumni, crisis—crises等。    
【答案解析】