選修七英語Unit 3 Under the Sea
unit 3 under the sea一、語言要點i單元要點預覽（旨在讓同學整體了解本單元要點）
詞匯
部分
詞語
辨析1.shore/seaside/beach/coast/bank 2.flee/escape 3. deep/deeply
詞形
變化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. 生動的, 鮮明的, 活潑的vividly adv. 生動地, 鮮明地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.品嘗; n味道, 味覺tasteless adj. 沒味道的, 無鑒賞力的
重點
單詞1. annual adj. 每年的；按年度計算的/ n. 年刊；年鑒2. witness n. 目擊者；證人；證據vt. 當場見到；目擊3. accommodation n. 住所4. abandon vt. 放棄；遺棄；拋棄5. reflect vt. 映射；反射vi. & vt. 思考6. aware adj. 意識到的；知道的7. scare vt. 恐嚇vi. 受驚嚇
重點
詞組sort out整理；挑出 help out 幫助……（擺脫困難或危難）；協助；使……脫離困境throw oneself out of 躍出 upside down上下翻轉過來
重點句型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!
重點語法被動語態（ii）(見語法專題) ii 詞語辨析 (旨在提供完形填空所需材料) 1). shore/seaside/beach/coast/bank n.海邊，海岸【解釋】shore 指海岸，湖岸，也指近海的一帶。seaside指近海邊地區供游客休憩，娛樂的海邊。beach指海洋或大湖在漲潮時被淹沒而退潮時又露出的斜坡，可供人們玩樂，消遣的沙灘，海灘。coast以陸地為中心的海岸線bank河流的堤，岸【練習】選擇shore/seaside/beach/coast或bank并用其適當的形式填空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【解釋】