多选题\n Why is it so difficult to salvage Nanhai One by the holistic approach ? \n多选题\n How many pieces remained of the1,000,000 pieces of Tek Sing’s cargo?\n多选题\n Which is NOT true about the Shenhai Yongshi (deep sea warrior) and the Jiaolong?\n多选题\n Compared with Europe and United States, how about the development of Underwater Archeology in Asia ?\n多选题\n Where was the ship“Batu Hitam”made?\n多选题\n Why did Michael Hatcher break the Tek Sing’s cargo ? \n多选题\n What is NOT the achievements of 2001 Convention? \n多选题\n When was the Nanhai One discovered?\n多选题\n Why does The successful salvage of the Batu Hitam wreck remain controversial?\n多选题\n When was the Nanhai One salvaged?\n多选题\n Which was the most dangerous part of the project ? \n多选题\n Which of the following may NOT be included as underwater cultural heritage? \n多选题\n Which of the following is true about the research objects of Underwater Archaeology? .\n多选题\n In the following statements which one was not a contribution to China’s archaeology personnel preparation?\n多选题\n 1.Which one is NOT true about underwater heritage?\n