问题
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命令?LEN("THIS IS MY BOOK")的结果是______。
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The book mentioned in this passage is written for readers who_________.A. are int
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This passage most probably is_________A. a book reviewB. the preface of a bookC.
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This book discusses the most recent events of space travel, it certainly is ____. A:up t
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The best topic for this passage is________.A.Book
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This is the first draft of the book. Please feel perfectly free to ___ it.