人教版高三英语选修9-Unit-2---Sailing-the-oceans全单元教案.doc

Unit 2 Sailing the oceansPeriod one : Warming up and Pre-readingAim :To train the students ability of listening and speaking .Contents : I Warming up and Pre-reading1Introduce the history of sailing the oceans , and ask who are famous in sailing the oceans in history .2Let students lock at the pictures and answer the questions(1) What is a navigator ?(2) Look at these famous people .Are they navigators or explorers ?What do you know about them ?(3) Can you identify these early navigational instruments seamen used and explain how they are used ? (Picture 2) a _ b _ c _ d _(4) Which do you think was easier to work out :latitude or longitude ?(5) Which ones do you think are still used today ?(6) what is the difference between a navigator and an explorer ?(7) how do you think seaman found their way before modern accurate methods of navigation were invented?Now read about what navigation was like before modern instruments were used.II listening and speaking 1 Listen to the tape and fill in the chart Sailors form Sea or OceanSkillsPhoeniciaMediterraneanUsed the sky to findNorth Their wayPolynesia2 Use the information form the listening to explain these sailing strategies .1._2._Period two: readingAim : Let students master some language points and understand the text .Contents : Reading : sailing the oceans1 Answer some questions about the text 1. How many ways the passage tells us to keep alongside the coastline .2. When can the sailors use the sun to navigate by ?3. What was the first instrument to measure the suns position .4. What proved to be the most accurate and reliable of these earth navigational instruments ?5. When did seamen begin to use the compass ?2 Language points :1. voyage : n. long journey , by sea or in space 2. mercy : n. kindness ; forgivenessphr : at the mercy of : under the control of 任由 的摆布without mercy 毫不留情地The beat was at the mercy of the rapid river . For mercy s sake 请发慈悲For Cods sake3. nowhere adv .not anywhere 无处eg : I went nowhere 不知来自哪里，以不知名状态go nowhere vi 无所成，进行得不顺利get sb nowhere 某某事对某人无帮助、元效4. reference n. act of mentioning ; act of looking at for information . phr : (1) have reference to 和 有关系(2) in reference to 关于(3) make (a) reference to 说到 谈到 (4) reference book 参考书刊号 (5) reference material 参考资料 (6) with reference to 关于 就 而论 whit reference to the contextvi refer: refer to (a) 指的是 （b）参考 (c) 提到 谈到 refer to A as B 将A称为B eg : Are you referring to me ? In his speech, he didnt refer to the problem at all . He cooked dinner by referring to a cookbook . California is referred to as the “Golden State .”5.survival: n. state of continuing to live 生存、幸存 survive: vt. sb survive 某人幸存下 sth survive 某物保留下来vi. survive sb by 活得比某人长 survive sth 从 中幸存、幸存于eg : Only one baby survived the terrible car crash .The girl survived her parents .Survivor n. the person or thing of surviving . 6. dusk n. time before night at dusk 在黄昏时刻Period three : comprehending and languageI Comprehending Read the passage and answer the following questions .1 . What is the use of a bearing circle . astrolabe , quadrant or sextant ?( )What is the use of a compass ? ( )A to set the course of the ship B to measure the position of the ship C to measure the speed of the ship D to tell the time 2. Why are speed and time important in working out the longitude of a ship ?3. Why is the position of the sun and various stars useful for working out latitude ?4. Suppose you were a sea captain aiming to sail round Africa Discuss in groups. (1) what skills would you seek in your sailors ?(2) what problems would you anticipate for this journey ?II Learning about languageDo exercises 1 . 2 and 3Exerise1 Replace the words underlined by ones of similar meaning form the reading passage .1. Seeing the dark clouds above him , George hurried for home . 2. Sailing a boat alone far away form the shore made Floras parents worry about her safety .3. Clare , would you please put your bicycle next to the others in the shed ?4. “Why dont you plot a more simple rout with the smallest number of spots?” asked Mary .5.Setting out on a long journey by sea with unskilled sailors would be dangerous especially if there were no modern navigational instruments .Exercise2 Find the words form the reading passage that are the opposite of these compound words .Nowhere anywhere download upload outward inwardReliable unreliable seaweed land flower shortcoming strong pointExercise3:Complete the following paragraph with the words below . precise outward nowhere awkward reference seaweed accelerate mercy randomly voyage alongside approximateSamuel the sailor was extremely good at plotting his course using the stars a _.One day he was determined to set out on a _across an unknown sea to an unknown continent . He set out with his instruments so he would not be at the _ Of the sea . He found on his _journey a rocky island . It seemed to be covered in nests. Suddenly, as Samuel looked , an enormous bird swooped down and picked him up as if he were a/an _ parcel . It _its speed and rose straight up into the air so as to reach the _place on the rocks where its nest lay. Once there, it shook itself and threw Samuel in the _ direction of the nest . There seemed to be _to hide but then he noticed lots of _ on his left and quickly hid under it . The bird landed nearby and pecked _ at the rocks . Samuel rolled over swiftly and found himself at the edge of the cliff . He looked down slowly with a beating heart. Below him was his boat lying _the shore! “How lucky I am!” Samuel thought to himself. He then gave a mighty leap and landed in it. Once inside he could safely sail away.Period four : Reading speaking and writing Aim : to train the students ability of listening and speaking and writing Contents : some language points1 starvation : n. suffering or death from lack of food die of starvationstarve : vt/vi （使某人）饿死、挨饿starve sb to death phr: starve for sth to do sth be starved of vt 缺乏欠缺2 gradually : adj not suddenly gradual : adj happening slowlyeg : a gradual increase in population Her health is gradually improving 3 tear : vt/vi 撕裂扯破tear sthsth from /o