Zheng He was a famous Chinese explorer. In 1405, he 1 from China on the first of several great voyages(航行). His task was to develop relations and2 trade routes with foreign countries.3 trading, the voyages also encouraged the exchange of cultures and technologies, which helped the 4 of those countries and regions. Today, people still remember him 5 a pioneer in opening up cultural contacts between different peoples around the world.