Ⅰ.单词聚焦1．______ adj. 每年的2．______ n. 深度3．_______ adj. 极端的，极度的4．_______ v. 使平衡5．__________ n. (对某地区的)勘查6．__________ adj. 商业的annualdepthextremebalanceexplorationcommercial7．_______ v. 促进，增进8．______ adj. 强烈的9．_______ adj. 轻便的；便携的10．_________ n. 毫米；千分之一米11．_________ adj. 不正常的，反常的12．_______ n. 缺乏；没有13．_________ n. 最少量；最小数14．_________ n. 紧急情况；突发事件promoteintenseportable1millimetreabnormalabsenceminimumemergency15．___________ adj. 常规的；普通的16．______ n. 生态；生态学17．_______ n. 荣幸18．________ v. 对待……如朋友19．________ n. 可靠性20．__________ n. 鼓舞；启示；灵感conventionalecologyprivilegebefriendreliabilityinspirationⅡ.短语扫描1．___ 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oninonintowith6．keep one’s spirits ___精神抖擞7．discourage sb.____ 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2upfromcaseintakeⅢ.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 world2．It ________ ________ ________ ________ ______ ________(Shackleton 花费了 17 天的时间才到达) South Georgia.【答案】 took Shackleton 17 days to reach3．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 conditions4．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 background5．But when land came into sight，the En...
