问题
填空题
室内消火栓灭火系统是（）、水带、消火栓、消防管道、消防水池、高位水箱、水泵接合器、增压水泵、等组成。
答案
参考答案：水枪
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室内消火栓灭火系统是（）、水带、消火栓、消防管道、消防水池、高位水箱、水泵接合器、增压水泵、等组成。
参考答案：水枪
Jim likes reading very much. One day, he wants to borrow a book from the . He goes there Jack. They can’t see librarians, only some robots (机器人) standing there. Then Jim says to one of , “Hey, give me a book.” But the robot work. “ is wrong with the robot?” he asks Jack. Jack tells him, “When you want something from somebody, you must say ‘ ’ first.” So Jim says, “Please me a book, Mr. Robot.” Then the robot brings him the book. But again, Jim can’t take the book out of the robot’s hand. Jack says, “You must say ‘Thank you’ before you take the book.” Jim says “Oh, thank you very much, Mr. Robot.” Then he gets the book he wants from the robot.
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