2. 外语
  3. The exact number of English words is not known. The large dictionaries have over half a million entries, but many of these are c

The exact number of English words is not known. The large dictionaries have over half a million entries, but many of these are c

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问题     The exact number of English words is not known. The large dictionaries have over half a million entries, but many of these are compound words (schoolroom, sugar bowl) or different derivatives of the same word (rare—rarely, rarefy), and a good many are obsolete words to help us read older literature. Dictionaries do not attempt to cover completely words that we can draw on the informal vocabulary, especially slang, localism, the terms of various occupations and professions; words used only occasionally by scientists and specialists in many fields; foreign words borrowed for use in English; or many new words or new senses of words that come into use every year and that may or may not be used long enough to warrant being included. It would be conservative to say that there are over a million English words that any of us might meet in our listening and reading and that we may draw on 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 words 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 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.
From the passage we learn that________.
选项 A、dictionaries completely cover the words we can make use of
B、schoolroom is used in the passage as an example of a specialized term
C、once you know how a word is pronounced and what it represents, you have turned it into your active word
D、active vocabulary refers to words we understand when we read and hear them
答案C
解析 本题考查主旨大意。根据排除法。A项认为“字典完全包括我们所用的词汇”，而原文中提到字典并不企图完全包含我们所用的词汇，因此A是不正确的。B项认为“schoolroom在本文中用于说明特定术语”，而文中提到schoolroom时是作为复合词的例证，因此B是不正确的。C项认为“一旦你知道一个词如何发音且代表什么，你就掌握了这一单词”，这与原文中的“一旦你知道一个词如何发音且代表着什么，你就能安全地运用它”的意思相符，所以C项是正确的。D项认为“会用的词汇指我们在理解阅读材料时所遇到的词汇和所听到的词汇”，而原文写道“会用的词汇是我们在说和写时所用的词汇”。这显然与原文不符，所以D是不正确的。故选C。
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