The rubber coat（橡胶外套）was invented by an Englishman named Macintosh.

In 1492，Columbus，a well-known Italian voyager（航行者），______ the New World-America. He brought a lot of things to Europe from South America. Rubber was one of them，______ people didn't know its use at that time. In 1770，people found that rubber could be used ______ erasers.

Macintosh was a worker in an eraser factory in Scotland. One day he spilled（洒出）some rubber liquid（液体）over his coat ______ when making erasers. He was too busy to clean it and went back home wearing the ______ coat. On the way home，it rained heavily. When he got home，he ______ the wet coat. To his surprise，the area of the ______ with rubber over wasn't wet. "Why not make a rubber raincoat?" Macintosh thought. The next day he brushed the rubber liquid all over his coat. He wore the "rubber coat" on ______ days and took a walk outside to test if it ______ really keep off the rain. _______, the clothes inside the "rubber coat" weren't wet at all. The rubber raincoat was created in this way.

Year after year, people kept improving the raincoats. Today raincoats are widely used in our daily life.