人教版高三英语选修 选修9unit2 Sailing the oceans单元测试(附答案).doc

Unit2 Sailing the ocean 一 词汇 However, it was a_______ to use as one of the points of reference was the moving ship itself. This was a more precise and s_______ version of the astrolabe. It proved to be the most accurate and r_______ of these early navigational instruments. This seems to have been the first and most useful form of exploration which carried the m___________ amount of risk. 5. Once we were at sea, our r_______ every day was the same. There is a special cloud formation which i_________ there is land close by. Seamen could follow the birds to land even if they were o__________ and in the open sea. Wise seamen could a____________ the speed, but they could also be dangerous. There is no s_______ method of measuring longitude until the 17th century when the British solved this theoretical problem. An early method of measuring speed involved throwing a k_________ rope tied to a log over the side of the ship. The compass has a special m_________ pointer which always indicates the North Pole. The sextant was the u_________ version of the astrolabe and quadrant which reduced the tendency to make mistakes. It was s_______ quantities but the extreme lack of water was the hardest to cope with psychologically. The d_____________ of staying on the ship seemed to grow as I thought about how wrong it was to treat Captain Bligh in this way. The t__________ in the boat got worse as the supply of food and water gradually disappeared. 二 语法填空 I am proud to have sailed with Captain Bligh ____1___ his journey of over 40 days through about 4,000 miles in an open boat across _____2____ Pacific Ocean in 1789. Our outward voyage in the “Bounty” to Tahiti ______3____ (fill) with the kind of incidents that I ____4____ (think) would be my stories when I returned home. ___5____ how wrong I was! On our departure ____6____ Tahiti , some of the crew took over the ship. They deposited the captain into a small ____7____ to let him find his own way home. But ____8_