选修7&8Unit 3 Under the sea教案

Period 2　Language Study

Teaching aims　　　　　

1．To learn the useful expressions and sentence structures in the reading.

2．To enable students to use language points both orally and in written forms.

3．To further understand the friendship between man and whales.

Teaching procedures　　　　　

Step 1　Learning words and phrases

1．witness  vt.

(1)be present at(someplace)and see it 当场见到/目击

Did anyone witness the accident？有人亲眼看到那次事故了吗？

(2)“见证了”，时间、地点等作主语。

Recent years have witnessed the collapse of the steel industry.

近年来钢铁业日渐衰落。

n．[C]目击者，证人

The police found the witness to the murder case.

警察找到了那件谋杀案的目击者。

There was no witness at the scene of the accident.

在事故现场没有证人。

witness 还可表示“作证”“证明”，常用“witness to sth./doing sth.”

a live witness to...活生生的证人

bear/give witness to sth.为……作证

witness－box(英)＝witness stand (美)证人席

2．sort out

(1)分类，整理

I am just sorting out the papers that can be thrown away.

我在整理可以被扔掉的文件。

(2)解决(问题/困难)

We've got a few little problems to sort out.

我们有几个小问题要解决。

近义词：sort through 查看并挑选出

He was sorting through a pile of papers on his desk.

他在整理桌子上的一堆文件。

3．accommodation n.

(1)rooms，esp.for living in 房间/住所

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)lodgings，rooms and food(often pl.)膳宿(在英国英语中为不可数名词，在美国英语中为可数名词，常用复数)

Can we find accommodations at a hotel for tonight?

我们今晚能找到旅馆住宿吗？

短语：make accommodation for...为……提供膳宿

4．yell v．& n．叫喊/叫声，喊声

(1)v.shout often because you are frightened，angry，or excited

She yelled(out)at her naughty child.

她朝她那淘气的孩子大喊。

They yelled at him to stop.

他们朝他大喊，让他停下来。

(2)n.a loud shout.e.g.a yell of delight/warning

5．ahead of

(1)(时间、空间上)在……之前

(2)领先，比……强、好

6．head 朝……方向移动；带领

We headed the boat out to sea.我们将船驶向外海。

They are heading home. 他们正朝家走去。

Who is heading the Party？该党现在由谁在领导？

Whose name heads the list?

谁的名字列在名单的最前头？

head for＝leave for/start for 朝……方向走去

7．flee(fled，fled)vi./vt. 逃走，逃掉，消失

And those others are stopping it diving or fleeing out to sea...

其他的虎鲸阻止它潜水逃入大海……

The spectators fled in panic when the bull got loose.

那只公牛挣脱了束缚，吓得观众四下逃窜。

We were forced to flee to the country.

我们被迫逃往国外。

8．aim.v.

aim(sth.)at sb./sth.瞄准，对准

aim at doing sth./aim to do sth.力求达到，力争做到

n．[U]瞄准 [C]目的，目标

9．drag v.

(1)拖，拉，拽

He dragged the table into the corner.

他把桌子拖到角落里。

(2)勉强某人做

He hates parties，and we have to drag him into going.

他讨厌参加聚会，我们得硬拉着他去。

If he fails，he'll drag us all down with him.

如果他失败了，他会把我们大家一起拖下水。

10．depth n. ……的深度，深……的地方

...its body was dragged swiftly by the killers down into the depths of the sea.

它的尸体被虎鲸们迅速拖向深海中去了。

Plant the beans_at_a_depth_of_about six inches.

把种子埋到大概六英尺深的地下。

短语： in depth 深入地，彻底地

[拓展]

the depths of the jungle 丛林深处

the depths of the country 穷乡僻壤

the depths of the winter 隆冬

the depths of one's heart 心灵的深处

the depths of despair 绝望的深渊

11．have a good feed on...饱餐一顿

feed：n.meals or food for babies or animals 餐、顿。如：

When is the baby's next feed?

下一次要什么时候喂这个婴儿？

v．give food to 喂养

feed sb./sth.on sth.＝feed sth.to sb./sth. 喂……吃……

feed on 以……为食(一般指动物)近义词 live on

The prison is required to feed and clothe the prisoners.

监狱被要求向犯人提供食物和衣服。

Several children were feeding bread to the ducks.＝Several children were feeding ducks on bread.

几个孩子正在喂鸭子吃面包。

Owls feed on mice and other small animals.

猫头鹰以老鼠和其他小动物为食。

12．From James's face，I could see he was terrified of being abandoned by us.

从詹姆斯的脸上，我能看出他非常恐慌，生怕被我们遗弃。

He abandoned his wife and children.

他抛弃了他的妻子和孩子。

此处abandon的意思是“放弃，抛弃”，相关短语有：

(1)背弃祖国/朋友：abandon one's country/friend

(2)抛弃家庭：abandon one's family　

(3)革除陋习：abandon a bad habit

(4)放弃职位/希望/计划/主意：abandon one's post/hope/plan/idea

13．help out帮助……(摆脱困境或危险)

My mother helped me out(with some money)when I lost my job.

我的母亲在我失业的时候给我金钱上的援助帮我摆脱了困境。

The children help out in their father's shop when things are busy.

父亲店里忙的时候，孩子们在店里帮忙。

14．approach

vi.& vt. 接近，靠近　n．接近，道路，方式，方法

15．hold up

(1)支撑，举起

(2)延迟，阻碍

Step 2　Using words and phrases

1．Do Exercises 1 and 2 on Page 63 in Using Words and Expressions.

2．Translate the following sentences into English，using the words and expressions given in brackets.

(1)当我意识到她在场之时前，她正好走到我身边。(be aware of)

(2)凯莉每读一本书都喜欢反思一下书的含义。(reflect on)

(3)这场演出没有什么可以挑剔的，这是真正的享受。(pure)

(4)你刷那面墙，同时我准备好这一面墙你好接着刷。(in the meantime)

(5)我的女儿喜欢把自己倒吊在操场的机械上。(upside down)

(6)夜里一些奇怪的声音把我吓得半死。(scare to death)

Suggested answers：

(1)She was standing right next to me before I became aware of her presence.

(2)Whenever Kelly reads a book，she likes to reflect on its meaning for a while.

(3)There was nothing I didn't like about the performance.It was pure enjoyment.

(4)You paint that wall and，in the meantime，I will prepare this one for you to paint next.

(5)My daughter loves to hang upside down on the playground equipment.

(6)The strange noises in the night scared me to death.

Step 3　Consolidation

Ask students to retell the text after learning the useful words and phrases.

Step 4　Homework

1．Finish off Exercises 1 and 2 on Page 22 in Learning about Language.

2．Go over the useful words and phrases in the text.