in our speaking and writing.

　　Professor Seashore concluded that first－graders enter school with at least 24,000 words and add 5,000 each year so that they leave high school with at least 80,000. These figures are for recognition vocabulary, the words we understand when we read or hear them. Our active vocabulary, the words we use in speaking and writing, is considerably smaller.

　　You cannot always produce a word exactly when you want it. But consciously using the word you recognize in reading will help get them into your active vocabulary. Occasionally in your reading pay particular attention to these words, especially when the subject is one that you might well write or talk about. Underline or make a list of words that you feel a need for and look up the less familiar ones in a dictionary. And then before very long you will find a way to use some of them. Once you know how they are pronounced and what they stand for, you can safely use them.

　　41．By the author's estimate, there are ________ words in English.

　　A．more than half a million

　　B．at least 24,000

　　C．at least 80,000

　　D．more than a million

　　【答案与解析】　D　细节题。 短文第1段最后一句明确指出“据保守估计，在听说读写中会遇到的英语单词可能超过一百万个”。

　　42．The underlined word “obsolete” in Paragraph 1 most probably means “________”．

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