2016-2017学年高中英语 Unit 2 Sailing the oceans Section Ⅱ Warming up and Reading-Language points课件 新人教版选修9.ppt

Section Ⅱ　Warming up Reading—Language points Ⅰ.重点单词 1．______________ n．探险；探测→explorer n．探险者；勘探者；考察者→explore v．勘探；探索；调查研究→exploratory adj.探索的；探究的 2．______________ n．地平线；视野→horizontal adj.水平的；与地面平行的；横的→horizontally adv.水平地；与地面平行地；横地 3．______________ vt.加速；促进→acceleration n．加速→accelerator n．加速器；油门 4．______________ adj.安全的；可靠的→securely adv.安全地；可靠地→security n．安全；可靠 5．_______ adj.任意的；随便的→randomly adv.随便地；任意地→randomness n．随便；任意→randomize vt.使随机化 6．______________ adj.难使用的；笨拙的→awkwardly adv.笨拙地；尴尬地→awkwardness n．笨拙；尴尬 7．______________ v．使简化；使简易→simplification n．简化，简化的事物→simplicity n．简单；质朴；方便 8．_________ adj.便携式的；手提的→portability n．轻便 9．_________ n．趋向；倾向；偏好→tend v．趋向；走向→tendentious adj.倾向性的 10．______________ adj.可靠的；可信赖的；可依靠的→reliably adv.可靠地→reliability n．可靠→reliance n．依赖；依靠；信任→rely v．依靠；信赖 Ⅱ.重点短语 1．______________　　　受……支配；任……处置 2．______________　　　　计算出；制订出 3．______________　　　　也 4．______________　　　　而不是 5．______________　　　　与……有关；涉及 Ⅲ.重点句型 1．How ______________seamen found their way before modern accurate methods of navigation were invented? 2．We may well wonder how seamen explored the oceans before latitude and longitude made ___ possible _____________________________. 3．This seems ______________the first and most useful form of exploration which carried the minimum amount of risk. 4．Nobody knew that the earth moved westwards 15 degrees every hour，but sailors ______________an approximate method of calculating longitude using speed and time. voyage n．[C] 航海，航行 The voyage from England to India used to take six months. 过去从英国航行到印度要用6个月。 This ship will make an around－the－world voyage. 这艘船要做一次环球航行。 (2)journey多指远距离陆上旅行。 come/go on a journey来/去旅行 send sb.on a journey送某人旅行 We had a long journey ahead of us. 我们前面的旅程还很长。 (3)travel“旅行，游历(用单数形式，不加定冠词)”。指“(国外的)游历、游记”时常用复数形式，但前不加many或数词修饰。它也可以用作动词。 Foreign travel never really appealed to him until he retired.他到退休后才真正对出国旅行产生了兴趣。 (4)tour“周游，旅游，观光”，指周游若干地方，有一定的旅行路线，最后又回到出发地点。 We went on a 10－day tour of central Africa. 我们到中非游玩了10天。 (5)voy