(外研版)英语：选修8 第一单元(课件).ppt

Ⅰ.单词聚焦 adj . 每年的 n . 深度 adj . 极端的,极度的 v . 使平衡 n . (对某地区的)勘查 adj . 商业的 annual depth extreme balance mercial v . 促进,增进 adj . 强烈的 adj . 轻便的;便携的 n . 毫米;千分之一米 adj . 不正常的,反常的 n . 缺乏;没有 n . 最少量;最小数 n . 紧急情况;突发事件 promote intense portable millimetre abnormal absence minimum emergency adj . 常规的;普通的 n . 生态;生态学 n . 荣幸 v . 对待……如朋友 n . 可靠性 n . 鼓舞;启示;灵感 conventional ecology privilege befriend reliability inspiration Ⅱ.短语扫描 average 平均 2. __ the form of 以……形式 3. set foot ___ 进入,到达 4. come ____ sight 进入视野 5. come up ____ 想出;找出 on inon into with 6. keep one ’ s spirits ___ 精神抖擞 7. discourage doing sth. 阻止某人做某事 8. in ____ of 如果;假使 9. __ great detail 详细地 10. ____ a risk 冒险 up from case in take Ⅲ.原句突破 1. Covering about 14 million square kilometres around the South Pole , it is ________ ________ ________ ________ ________ ________ ________( 是世界第五大洲). 【答案】 the fifth largest continent in the world 2. It ________ ________ ________ ________ ______ ________(Shackleton 花费了17天的时间才到达) South ia. 【答案】 took Shackleton 17 days to reach 3. Yet Antarctica is full of wildlife , ________ ________ ________ ________ ________ ________ ________( 它们已经适应了那里极其恶劣的条件). 【答案】 which has adapted to its extreme conditions 4. Since most Antarctic rocks are dark in colour , they____ ____ _____ ____ ____ ___( 在白色冰雪的映衬下格外显眼) and are easy to identify and collect. 【答案】 stand out against the white background 5. But when land came into sight , the Endurance____ ____ ____ ____ ____ ( 陷在冰块里并开始解体) and began to break up. 【答案】 became trapped in the ice state [C] 状态,情况,形势 be in/get into a state 兴奋,紧张,焦虑 The building was in a bad state. 那栋建筑物情况很糟。