有时可数,有时不可数,这一点你从Webster字典,金山词霸和它基于的Heritage词典里都没有明确指出,但是从Cambridge字典里很容易看出.
Cambridge字典说:
1 [U] the written words in a book, magazine, etc., not the pictures:
The book has 100 pages of closely printed text.
2 the text of sth the exact words of a speech, etc:
Can we see the full text of your speech before Tuesday?
3 [C] a book or piece of writing that you study as part of a course:
'Ulysses' is a set text for the exam.
4 [C] a sentence or reference from the Bible which a priest reads aloud in church and talks about.
上面的U表示Uncountable不可数,C表示可数Countable
参考资料：http://dictionary.cambridge.org/define.asp?key=82202&dict=CALD
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