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
用sort out
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
2). flee/escape v.逃避, 逃跑, 逃走
【解释】
flee 只说明动作，不强调结果。
escape逃离，结果是成功的。
【练习】选择flee或escape，并用其适当的形式填空
1) The enemy ______ in disorder.
2) Citizens were forced to ______ the besieged city.
3) He narrowly _________ death.
Keys: 1) fled  2) flee  3) escaped
3) deep/deeply adv.深深地；
【解释】
deep 表示深地，深处（常用于具体的方面）
deeply常表达抽象含义。
【练习】选择deep或deeply并用其适当的形式填空
1) The police found out the lost child _______ in the woods at last.
2) All of us were _______ shocked at the bad news.
  Keys: 1) deep 2)deeply
III 词性变化 （旨在提供语法填空所需材料）
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
【练习】根据句子结构，用括号内所提供词的适当形式填空
1) The lake is over 20 meters in _____ so we were all moved ______ by the man who dived _______ into the lake to save the little boy. (deep)
2) I ____ remember the girl dressed in ______ color he drew in the exhibition.(vivid)
3) Anyone who launches a war is ______ and is _______ by people who love peace all around the world. (awe)
4) The _______ of energy will help us research the way to save and _______ the energy. (conserve)
5) Though the soup is _______, I’ve lost my sense of ______ and it ____just like ______water.(taste)
、
keys:1) depth; deeply; deep 2) vividly; vivid 3) awesome; awed 4) conservation; conserve 5) tasty; taste; tastes; tasteless
IV 重点词汇 （旨在提供综合运用所需材料）
1.  annual adj. 每年的；按年度计算的/  n. 年刊；年鉴
[重点用法]
annually  adv. 年年地, 每年地
[典例]
1) an annual income. 年收入
2) an annual report年度报告
2.witness n. 目击者；证人；证据vt. 当场见到；目击
[典例]
1) He is the witness to the accident. 事故的目击者
2) This old auditorium has witnessed many ceremonies. 这个古老的礼堂内举行过许多次典礼
[重点用法]
give witness on behalf of sb. 为某人作证
3.accommodation住所
[重点用法]
accommodate v. 向...提供, 容纳, 调和; 适应
accommodation address临时通讯处
accommodation allowance膳宿津贴
[典例]
1) The high cost of accommodation makes life difficult for students in London．
由于住宿费用昂贵，伦敦的学生感到生活困难。
2) The university offers excellent accommodation for summer visitors．
这所大学为夏季来访者提供了很好的住宿。
4.abandon vt. 放弃；遗弃；抛弃n．放任, 狂热
[重点用法]
abandon oneself to sth./doing sth. 沉溺于
abandon …to sb．  把……舍弃给…
with abandon放任地；放纵地；纵情地
[典例]
1) They abandoned all hope of finding an effective way to solve the problem．
他们放弃了寻有效方法解决问题的所有希望。
2) We should keep off those who abandon themselves to drugs．我们要远离那些成瘾的人。
3) Don't waste the food left, and abandon it to the dog．不要浪费剩下的食物，把它舍弃给狗吃。
5.reflect vt. 映射；反射vi. & vt. 思考
[重点用法]
reflection  n．  反射；反映；思考；沉思
reflective  adj．反射的；反映的；沉思的
reflect on v.  思考，反省
[典例]
1) Her severe look reflected how she really felt．她那冷峻的神情反映出她心中的真正感受。
2) Mirrors reflect light．镜子能反射光线。
3) I reflected on possible reasons for my failure．我仔细考虑导致我失败的种种原因。
[练习]用reflect的相关介词或正确形式填空.
1)The moon appears a _______ surface of the lake．
2)After a minute's _____，he answered．
3)The plan ________ which he reflected was ridiculous．
4)The problems ________ at discussion are to be dealt at tomorrow’s meeting.
Keys: 1) reflective  2)reflection  3)on  4) reflected
6.aware adj. 意识到的；知道的
[重点用法]
unaware不察觉的, 不知道的
awareness n. 知道, 晓得

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