forest-and-land.doc

上海牛津版七年级下学期英语
Unit 4   Forests and land课文难点详解
★重点词汇
belt皮带
farming农业
fuel燃料
clay粘土
hollow 洞
jug大壶
coal煤破
leather皮革
purse钱包
sand沙子
pencil-case文具盒
summary总结
wool羊毛
tablecloth桌布
★语法聚焦
句型We get…from…
We use…to make…
It's made of...
★拓展词组
do a project做一个课题
food in cans 罐装食品
frozen fish冷冻鱼
frozen vegetables冷冻蔬菜
be put into cans 被装进罐头
at a canning factory 在一个罐头食品厂
at a dairy 在奶品场
at a frozen fish factory 在冷冻鱼工厂
at a noodle factory 在面条厂
at a bakery在面包店
at a juice factory 在果汁厂
talk to someone 和某人交谈
interview someone 访问某人
catch fish 捕鱼
take out of 取出
so that以便，为的是
in refrigerated trucks 在冷藏卡车上
look forward to 期盼
on the stove 在炉子上
teach somebody how to do something 教某人如何做……
take something off somewhere 把某物从某地拿开
★拓展词汇
investigator 调查者
freeze 冷冻，结冰 frozen 冷冻的，冰冻的 freezing极冷的
can 罐头 canned 罐装的
convenience 方便 convenient 方便的
powder 粉，粉末 powdered 弄成粉的

★课文英汉对照
Forests and land 森林和土地
A forest is a large area of trees．Forests are very important．They provide both shelter and food for animals and insects. Birds make their nests in trees. Small animals and insects build their homes in the hollows of the trees. The leaves, fruit and flowers are food for them．
森林是大面积的树木。森林非常重要。他们为动物和昆虫提供庇护所和食物。鸟类在树上筑巢。小动物和昆虫在树洞中安家。树叶，果实和花朵都是他们的食物。
People in poor countries burn wood as fuel. We cut down trees to make furniture and paper. Oil and coal come from the plants and animal，that died millions of years ago．
贫困国家的人们烧木头作燃料。我们伐树制作家具和造纸。石油和煤都来自几百万年前动植物的尸体。
We use most of the land in the world for farming and building cities．Many animals die because we take away their shelter and food. We must stop cutting down the forests. Animal，and plants share the earth with us.
我们利用甘界上的大部分土地发展农业和修建城市。许多动物死去了，因为我们夺走了他们的庇护所和食物.我们必须停止砍伐森林。动植物和我们人类一起共享地球。

What can we get from forests and land？我们能从森林和土地中得到什么？
We get wood from trees．We use wood to make paper and furniture. We get cotton from plants．
我们从森林中取得木材。我们用木材造纸和做家具。我们从植物中取得棉花。
We use cotton for making clothes．We use animal skins to make leather．We use leather for making belts
and shoes．
我们用棉花做衣服。我们用动物的皮毛制革。我们用皮革做皮带和鞋。
We get wool from sheep．We use wool for making clothes．We get oil, metal and clay out of the ground. We use oil to make plastic．We use metal to make cans．We use clay for making bowls and plates．
我们从羊身上获得羊毛。我们用羊毛做衣服。我们从土地中取得石油、金属和粘土。我们用石油造塑料，用金属制容器。我们用粘土制碗和盘子。
We get sand from beaches．We use sand to make glass．
我们从沙滩取沙子。我们用沙子制玻璃。

Things which are made of wood 木制品
wooden chai。木头祷子
Things which are made of wool羊毛制品
woolen sock。羊毛袜子
woolen scarve。羊毛围巾
Things which are made of metal金属制品
metal pencil-cas，金属文具盒
Things which are made of leather皮革制品
leather shoe。皮鞋
a leather purses皮夹子
Things which are made of plastic塑料制品
plastic bowls塑料碗
Things which are made of glass玻璃制品
glass bottles玻璃瓶
Things which are made of cotton棉制品
cotton T-shirts棉T恤衫
Things which are made of clay陶制品
clay jugs 陶瓷壶
clay plates陶瓷盘
bags trousers 书包，裤子
pens rulers 钢笔，格尺
cups boxes 茶杯，盒子
coats toy cars 上衣，玩具车
jackets robots 夹克，机器人
spoons chopsticks 匙，筷子
forks vases 叉，花瓶
knives shirts 刀，衬衫
dresses blouses 女裙，女衬衫
skirts belts 短裙，皮带
blazers sofas 运动上衣，沙发

★重点难点解析
1. They have to write a sununary about…他们必须写一个关于……的总结。
▲ must与have to辨析
must表示“必须”时，着重于说话人主观上认为有义务，有必要，have to表示“不得不”“必
须”，着重于客观的需要。如：
①I must do what you tell me．我一定照你说的办。
②I have to go now．我现在该走了。
2．They provide both shelter and food for animals and insects.
他们为动物和昆虫提供庇护所和食物。
▲both…and…意为“……和……（两者）都，既……又……”。其否定形式为neither…nor。如：
①Both you and I will go to the cinema tonight．今晚你和我都要去看电影。
②The ground must be just righ-neither too wet nor toodry．
（植树的）土壤必须正好—既不要太湿，也不要太干。
3. People in poor countries burn wood as fuel．贫困国家的人们烧木头作燃料。
▲此处as作介一同，意为“作为”。如：
He works as a teacher．他当老师。
4. Many animals die because we take away their shelter and food．
由于我们夺走了他们的庇护所和食物，许多动物死去了。
▲because作连词，意为“因为”引导原因状语从句。如：
I did it because I was angry．我这么做是因为我饿了。
5. We use wood to make paper and furniture．我们用木材造纸和做家具。
▲use sth to do sth．意为“用……做……”。如：
We use pans to cook food．我们用锅做饭。
注：“做……用……”也可用短语use for。如：
People use bamboo for building．人们用竹子做建筑材料。
6. Things which are made of leather．皮革制成的东西。
▲be made of意为“由……制成”。指能看出原材料。如：
What's the skirt made of? 这条裙子是由什么制成的？
The chair is made of wood．这把椅子是由木头制成的。
▲be made from意为“由……制成”。指看不出原材料。如：
Paper is made of wood，纸是由木头制成的。
此外，be made in意为“在……地方制造”，后接表示地点的名词。如：
The car is made in Shan沙ai．这辆汽车产于上海。
be made by意为“由（被）……制作”，后接表示人的名词或代词如：
This cake is made by my mother．这蛋糕是我妈妈做的。
▲be made into意为“（某物）被制成……”。如：
Metal can be made into all kinds of things．金属可以制成各种各样的物品。
7. I'd prefer to脚a cotton tablecloth．我想买一块棉桌布。
▲此句中的’d是would的缩写，would prefe：意为“想要”，后接名词或带to的不定式。如：
①I'd prefer an apple．我想要一个苹果。
② I'd prefer to drink some water．我想喝点水。