D．How to deal with smoke from a fire

　　答案　B　[主旨大意题。根据短文内容特别是第三段中的If you're in a room with the door closed when the fire breaks out，you need to take a few extra steps：可知，文章的B合适。]

　　26．If you are in a room where there is a fire，the writer suggests that you should ________．

　　A．get outside quickly and safely

　　B．stay in the room and wait for help

　　C．try to put out the fire by yourself

　　D．jump out of the room through windows

　　答案　A　[细节理解题。根据短文第二段中的The idea is to get outside quickly and safely.可知答案为A。]

　　27．What should you do if you find heavy smoke goes into the room?

　　A．Escape from your room as quickly as possible.

　　B．Open the door very carefully and slowly.

　　C．Close the door as quickly as possible.

　　D．Find the nearest stair and run down.

　　答案　C　[细节理解题。根据短文中的if you feel a burst of heat，or smoke pours into the room，quickly shut the door可知，发现烟进入你的房间时，应该立即关门。]

　　28．Where does this passage probably come from?

　　A．A safety guide book.B．A traffic guide book.

　　C．A science fiction.D．A science report.

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