题目

阅读理解EPPortable Heater We all know that the cost of heating our homes will continueto be a significant burden on the family budget. Now millions of people aresaving on their heating bills with the EP Portable Heater. With over onemillion satisfied customers around the world, the new EP heats better andfaster, saves more on heating bills, and runs almost silent. The EP has no exposed heating parts that can cause a fire.The outside of EP only gets warm to the touch so that it will not burn childrenor pets. The EP will not reduce oxygen in the room. With otherheaters, you'll notice that yo　　根据句意及首字母，补全单词 　　--What do you think of the bus trip? 　　--It's r ________ .