高中选修9unit2基本知识检测及答案.doc

Unit2 Sailing the ocean一 词汇1. However, it was a_ to use as one of the points of reference was the moving ship itself. 2. This was a more precise and s_ version of the astrolabe. 3. It proved to be the most accurate and r_ of these early navigational instruments. 4. 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. 6. There is a special cloud formation which i_ there is land close by. 7. Seamen could follow the birds to land even if they were o_ and in the open sea. 8. Wise seamen could a_ the speed, but they could also be dangerous. 9. There is no s_ method of measuring longitude until the 17th century when the British solved this theoretical problem. 10. An early method of measuring speed involved throwing a k_ rope tied to a log over the side of the ship. 11. The compass has a special m_ pointer which always indicates the North Pole. 12. The sextant was the u_ version of the astrolabe and quadrant which reduced the tendency to make mistakes. 13. It was s_ quantities but the extreme lack of water was the hardest to cope with psychologically. 14. 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.15. 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_ else was to go with? Those of us on board the “Bounty” _9_ (catch) in a dilemma. Was it _10_ (good) to risk certain death by sitting close together on a small, crowded open boat with very little food and water?三 翻译句子1我们很可能感到奇怪，在经纬度用来在地图上标出船只位置之前，海员是如何对海洋探索的。2在看不见陆地的时候，可以用海鸟来指明通往陆地的去路。 (be used to do)3你简直无法想象我们被放逐在小船上漂泊了40天后在帝汶岛登陆时的凄惨样子。4在公园里，我看见一个小男孩手持风筝线，风筝在他的头顶上正由风摆布，忽上忽下。 （overhead, at the mercy of）5他总是使我们忙个不停，并且竭力使我们忘记饥渴。 （take ones minds off）参考答案 一 词汇1. awkward 2. simplified 3. reliable 4. minimum 5.routine6. indicates 7. offshore 8. accelerate 9. secure 10. knotted11. magnetic 12. updated 13. starvation 14. drawback 15. tension二 语法填空1.on 2.the 3. had been filled 4. thought 5. But 6. from 7. boat 8. who 9. were caught 10. better三 翻译句子1.We may well wonder how seaman explored the oceans before latitude and longitude made it possible to plot a ships position on a map.2. Sea birds could be used to show the way to land when it was nowhere to be seen.3. You could not imagine a more disturbing sight than what we looked like when arriving in Timor over forty days after being set loose in our small boat.4. In the park I saw a small boy holding the string of a kite overhead, which was rising and falling at the mercy of th