阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。

Trade and curiosity have often formed the 【小题1】 (found)of mankind’s greatest achievements. In ancient times, silk from China found its way overland to India, the Middle East, and Rome, along 【小题2】 became known as the Silk Road. A trading route across the sea was also extended along the coasts of the Indian Ocean, 【小题3】 (center)around Ceylon.

Later, the Ming Dynasty further developed 【小题4】 (it)relations with regions to the west of China. Between 1405 and1433, seven large fleets sailed west 【小题5】 voyages of trade and exploration. These fleets were a sight 【小题6】 (behold). To reach out across the sea remains a strong desire today. Now the ancient sea routes that was once travelled by Zheng He 【小题7】 (revisit)with the 21st Century Maritime Silk Road, 【小题8】 is part of the Belt and Road Initiative. China has also joined her friends across the sea on other important projects. Also, there are still many other places left to explore 【小题9】 (extend).

Hundreds of years on, and with the 【小题10】 (late)technology in hand, the need to trade and the desire to enhance relationships will drive China to reach out across the sea far into the future.