【预讲练结四步教学法】14-15英语人教版选修7：Unit 3 Under the sea总结

【预讲练结】人教选修七Unit 3 Under the sea总结
一．词汇详解：
1. witness
(回归课本P20 L5) I thought，at that time，
that this was just a story but then I witnessed with my own eyes many times.
当时，我想这(虎鲸帮助捕鲸人捕捉大鲸鱼)只是传说罢了，但是后来我亲眼见过多次。

【语境感悟】
1) He is the only witness to the accident.
2) I witnessed an accident on my way home yesterday.
3) His good health is a witness to the success of the treatment.
4) India has witnessed many political changes in recent years.
5) Her boss was called to witness to her good character.
6) He witnessed to having seen the man enter the room.
7) Recent years have witnessed the rapid development of the Chinese economy.
2. urge (回归课本P20 L37)
“Man overboard! Turn the boat around!” ______ George, shouting loudly.
【语境感悟】
(1)They urged that the library be kept open during the vacation.
(2)They urged the donkeys on.
(3)He urged upon his pupils the importance of hard work.
(4)She urged him to stay.
(5)I had /felt an urge to visit Europe.
3. abandon (回归课本P21 L43)
From James’s face, I could see he was terrified of being abandoned by us.
【语境感悟】
(1)The man shamelessly abandoned his wife and child for another woman.
(2)Fearing further attacks, most of the population had abandoned their city.
(3)After the victory，the soldiers sang and danced with abandon.
(4)The match was abandoned because of bad weather.
(5)Tom abandoned herself to computer games，which made his parents angry.
二重点短语：
1. sort out (回归课本P20 L11)
...,as I was sorting out my accommodation,...
[语境感悟]
1) I’ve sorted out the papers that can be thrown away.
2) We’ve got a few problems to sort out.
3) Wait till I’m free——I will sort the naughty out.
2. help...out帮助某人摆脱困难，困境
【语境感悟】
(1) He helped the old man out of the car.他帮助那位老人从汽车里出来。

(2)Can you help me out with the maths problem?你能帮我解出这道数学题吗？
3. ahead of (回归课本P20 L11)
"Come on, Clancy. To the boat," George said as he ran ahead of me. 乔治跑在我们的前面说着。

【语境感悟】
1) Ahead of us lies a big river. 我们的前面有一条河。

2) Time here is nine hours ahead of London.这儿的时间比伦敦早九个小时。

3) He is ahead of me in Chinese. 他的汉语比我好。

4. hold up
根据语境猜hold up的词义
(1)The student held up his hand to ask the teacher a question.
(2)Sorry I am late, but my train was held up.
三课文佳句背诵与仿写：
1. 【原句】
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.
那个时期，虎鲸（当时被称为“杀手”）帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。

[模仿要点]It was/is a time when 曾经一度（那时）
It was a time when she could not bear the pain and wanted to kill herself.
她曾经无法忍受病痛，想结束自己的生命。

2【原句】
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. 在那个时期，杀人鲸，正如当时他们被称呼的，帮助捕鲸者捕杀在每年迁移途中的须鲸。

（本文中同类句
I thought, at the time, that this was just a story but then I witnessed it with my own eyes many time s.
当时我以为只是一个故事罢了，但是后来我亲眼见过多次。

）。