单项选择题
A．are directly related to pleasure B．will meet their physical needs C．will bring them a feeling of success D．will satisfy their curiosity
A．Lack of navigation equipment. B．Severe winter in Patagonia. C．The death of Magellan. D．Dangers from rocks and storms.
A．to become famous at that time B．to find navigation line from the Atlantic to the Pacific C．to make a voyage to Asia D．to carry men to the Seville