新人教版选修九Unt2 Sailing 语法及小题.doc

Unit 2 Sailing the oceans I. 单元教学目标 技能目标 Ability Goals Talk about early navigation Talk about discovery and exploration of an unknown land Learn about some famous navigators and explorers Learn to express the cause and effect Learn to use the Predicate Write a report about a navigator or an adventurous story Ⅱ.目标语言 a. 词汇：voyage mercy encyclopedia alongside exploration minimum celestial pole equator horizon overhead seaweed nowhere offshore accelerate outward tide secure log knot nautical magnetic random awkward reference precise simplify portable shortcoming update tendency reliable swoop parcel peck cliff expedition compulsory survival incident departure crew deposit dilemma drawback dusk routine reckon reckoning starvation psychology psychologically tension gradual gradually foresee thirst tear hardship jaw background roar b. 短语：at the mercy of nautical mile set loose jaws of death c. 功能句式： Why are you...? How could you...? Why did you...? Because of It was because The reason is that As he Since she Now that Therefore,... He was due to It is ..., so I’m afraid Thats why He so he is ill with fever after the voyage. III. 语法： 复习谓语 (The Predicate) So how did they navigate so well? As you can see from the map we kept to straight course pretty well. The tension in the boat got worse as the supply of food and water gradually disappear. So accomplished navigators were able to use it to plot their position. Captain Cook had led three great Pacific voyages during his life. I’ll go and get ready to begin work. IV. 重点句子： You may well wonder… … show that they were not at the mercy of the sea even though… Sea birds could be used to show the way to land when it was nowhere to be seen. There was no secure method of measuring longitude until the 17th century when the British solved this theoretical problem. Its shortcoming was that it still used the moving ship as one of the fixed points of reference.