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Much attention is now being given to what is termed functional illiteracy (文盲，文化缺陷). This should not be confused with the problem of illiteracy, that is, the inability to read and write. Current United Nations (UNESCO) figures indicate that 99percent of all Americans are literate, the same figure assigned to nations such as Britain, Germany. Functional illiteracy, by contrast, is concerned with how much difficulty people have in actually using and writing skills in everyday situations. This might be interpreted, for example, as the relative ability to understand income tax forms, or printed instructions, or how well someone can write a letter of complaint, or apply in written form for a job.
There are no agreed-upon definitions of what functional illiteracy is and, in practice, definitions vary widely. For many years, reading tests have been used throughout the country which define reading ability by grade level. “Tenth-grade reading level” for instance, would be the average readi