题目内容：
7、 You don’t need every word to understand the meaning of what you read. In fact, too much emphasis on individual words both slows your speed and reduces your comprehension. You will be given the chance to prove this to yourself, but meanwhile, let us look at the implication. First, any habit which slows down you silent reading to the speed at which you speak, or read aloud, is inefficient. If you point to each word as you read, or more your head or form the words with your lips, you read poorly. Less obvious habits also hold back reading efficiency. ONE is “saying” each word silently by moving your tongue or throat or vocal cords; another is “hearing” each word as you read. These are habits which should have been outgrown long ago. The beginning reader is learning how letters can make words, how written words are pronounced, and how sentences are put together. Your reading purpose is quite different; it is to understand meaning. It has been estimated that up to 75%of the words in English sentences are not really necessary for conveying the meaning .The secret of silent reading is to seek out those key words and phrases which carry the thought, and to pay less attention to words which exist only for the sake of grammatical completeness. An efficient reader can grasp the meaning from a page at least twice as fast as he can read the passage aloud. Unconsciously perhaps, he takes in a whole phrase or thought unit at a time. If he “says” or “hears” words to himself. They are selected ones, said for emphasis. 16. This passage is mainly about __. A. improving eye movements B. reading more widely C. eliminating poor reading habits D. concentrating while reading
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