24. What book did the author intend to find in the library when he was nine years old? A. A book teaching people how to make coin disappear. B. The second book of The Lord of the Rings. C. A book on how to become a magician. D. A book of real magic. 25. The underlined word "muffle" probably means A. clean B. punish C. lower D. kill4 D. it is not easy for one villager to take care of his or her own child 30. It can be inferred from the passage that A. it is unnecessary to look for aliens and do research into them B. some cetaceans have the same intelligence as human beings C. both dolphins and whales greet each other with specificwhistles D. both dolphins and whales have lot in common with humans inbehaviors 31. What is the best title for this passage? A. Aliens living underwater B. A study of intelligent dolphins C. Intelligent creatures of the sea D. Reasons for the intelligence of sea creatures