2010年高考一轮复习学案选修七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) coast