摘要：A good dictionary is 1 important tool. It will tell you 2 only what a word means but 3 how it 4 . A dictionary needs to be printed again about every ten years. Languages developand a good dictionary must 5 these new changes. A new English dictionary will only tell you 6 most people use the language today. It will not tell you what is right 7 wrong. It may tell you the right time to use a word. If only 8 people use a word, a dictionary will 9 tell you this or not list it. 10 dictionary will tell you many interesting facts. If you typea word and the word is too long, 11 in your dictionary. All dictionaries show you 12 to break a word. And they also show you how a word 13 . Every dictionary, of course, tells you what a word means. But some words, like “get or “take , may have lots of meanings. In some dictionaries, the mainmeanings are often listed first. In 14 , the newest meanings are listed last. So before you use your dictionary, you should always 15 the front part. This part explains 16 . Some dictionaries also show you where a word comes 17 . Do you know that the word “brand comes from an old word? This old word means “to burn . This is because 18 years ago people burned their names on tables or boats to show who 19 them. They also burned their own names on their farm animals 20 they would not be stolen. Your dictionary also has a lot of other interesting facts in it. After you have learned to use a dictionary, it can become your best useful book.1.A．a B．an C．the D．very

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