选修七英语Unit 3 Under the Sea
unit 3 under the sea一、语言要点i单元要点预览（旨在让同学整体了解本单元要点）
词汇
部分
词语
辨析1.shore/seaside/beach/coast/bank 2.flee/escape 3. deep/deeply
词形
变化1. depth n. 深, 深度,deeply adv.深深地deep adj.& adv. 深的;深入地,2. conserve v. 保存, 保藏conservation v. 保存, 保持3.vivid adj. 生动的, 鲜明的, 活泼的vividly adv. 生动地, 鲜明地4. awesome adj. 引起敬畏的, 可怕的awe n. 敬畏awe vt.敬畏5.tasty adj. 好吃的, 可口的taste v.品尝; n味道, 味觉tasteless adj. 没味道的, 无鉴赏力的
重点
单词1. annual adj. 每年的；按年度计算的/ n. 年刊；年鉴2. witness n. 目击者；证人；证据vt. 当场见到；目击3. accommodation n. 住所4. abandon vt. 放弃；遗弃；抛弃5. reflect vt. 映射；反射vi. & vt. 思考6. aware adj. 意识到的；知道的7. scare vt. 恐吓vi. 受惊吓
重点
词组sort out整理；挑出 help out 帮助……（摆脱困难或危难）；协助；使……脱离困境throw oneself out of 跃出 upside down上下翻转过来
重点句型1. it was a time when the killer whales, or “killers” as they were then called, helped the whalers catch the baleen whales that were on their annual migration.2. i had already heard that george didn’t like being kept waiting, so even though i didn’t have the right clothes on, raced after him.3. i’m sitting in the warm night air with a cold drink in my hand and reflecting on the day-a day of pure magic!
重点语法被动语态（ii）(见语法专题) ii 词语辨析 (旨在提供完形填空所需材料) 1). shore/seaside/beach/coast/bank n.海边，海岸【解释】shore 指海岸，湖岸，也指近海的一带。seaside指近海边地区供游客休憩，娱乐的海边。beach指海洋或大湖在涨潮时被淹没而退潮时又露出的斜坡，可供人们玩乐，消遣的沙滩，海滩。coast以陆地为中心的海岸线bank河流的堤，岸【练习】选择shore/seaside/beach/coast或bank并用其适当的形式填空1) last summer we spent all our holiday at the _______.2) i enjoy lying on the _______ with sunglasses in the sun.3) it’s dangerous for children to play on the _______ of the river.4) we often see many ships on the sea about several miles off the ______.5) the land is barren on the east ______.keys: 1) seaside 2) beach 3) bank 4) shore 5) coast2). flee/escape v.逃避, 逃跑, 逃走【解释】
