Unit 5 Into the unknown developing ideas diving deep 课文语法填空-2021-2022学年高中英语外研版（2019）选择性必修第四册

Unit 5 Into the wild Developing ideas Diving deep 1._________(lie)under waters across the globe are an estimated three million shipwrecks. All of them represent attempts over the centuries 2.___________(explore) Earth’s furthest corners. Among these is the Esmeralda, the earliest wreck from the age of the European exploration of Asia. Today, some 500 years after the Esmeralda set sail, there is little-if any-land on our planet 3.________(leave) unexplored. We have 4.________(many) detailed maps of the Moon and even of Venus and Mars, than we do of Earth’s own sea bed. 5.________(give) our limited knowledge, it is perhaps no surprise 6._______ exploration of the oceans continues to lead to discoveries in various scientific fields. As with the discovery of the Esmeralda, many archaeological finds 7._________(make) in shallow waters near the coast. These may sometimes include whole cities 8.________(bury)beneath the waves. One such find is the ancient Roman city of Neapolis, 9._________