本单元的主题是：海水和雨水，主要介绍了海水的分布、作用和雨水的作用，提醒大家要爱护水资源，保护环境。学习本单元，同学们要注意累积环保类词汇，对大家今后的英语学习大有裨益。

Page 48 Module 3

The natural elements
自然环境

Unit 3

Sea water and rain water
海水和雨水

Look and learn
看一看,学一学

a quarter
四分之一
seaweed
海草

Look and read
看一看,读一读

Water in the oceans. People and a lot of animals live on land.
海洋中的水。人类和许多动物生活在陆地上。
However, only a quarter of the earth is land.
然而, 仅仅地球的四分之一是陆地。
Almost three quarters of it is water.
几乎四分之三是水。
Fish and plenty of other sea animals live in the streams, rivers, lakes, seas and oceans.
鱼类和大量其他海洋动物生活在小溪,河流,湖泊,大海和海洋中。
It is a wonderful world under the water.
水下是一个神奇的世界。
Whales are the largest animals on earth.
鲸是地球上最大的动物。
They live in the oceans. Dolphins are one of the most intelligent animals.
它们生活在海洋中。海豚是最聪明的动物之一。
They also live there. Sharks are one of the most dangerous animals.
它们同样也生活在海洋中鲨鱼是最危险的动物之一。
They share the seas and oceans as well.
它们同样也生活在海洋中。
You can find many sea animals and plants in the oceans.
在海洋中你能找到许多海洋动植物。
They are in every colour, every size and every shape.
它们有各种颜色, 大小不一, 形状各异。
Have you ever seen a coral reef?
你看过珊瑚礁吗?
Have you ever seen starfish, sea horses or seaweed?
你曾见过海星,海马或海草吗?
They are beautiful. The oceans give us wonderful plants and animals to enjoy.
它们很美。海洋给我们提供可以享受的奇妙的动植物。
They also give us food to eat and oil to burn.
它们也给我们提供吃的食物和燃烧的石油。
In some places, people get drinking water by taking away the salt from sea water.
在一些地方,人们能过除去海水中的盐得到饮用水。
The oceans are very important to all animals on earth.
海洋对生活在地球上的所有动物都是非常重要的。
We must keep sea water clean and stop polluting it.
我们必须有保持海水干净,停止污染。

Page 50

Look and read
看一看,读一读

Kitty and Ben are using their computer.
基蒂和本正在使用计算机
They find some interesting information about water.
他们找到一些关于水的有趣的资料。
What will happen if there is no water?
如果没有水将会发生什么事?
At home
在家里
If there is no rain, there will be no water to drink.
如果不下雨,就没有水喝。
We can only live for about three days without water.
没有水,我们只能活三天。
If there is no rain, we will have no water to brush our teeth.
如果不下雨,我们将没有水刷牙。
We will have no water to take a shower.
我们会没有水洗澡。
We will have no water to wash the dishes or our clothes.
我们会没有水洗碟子,洗衣服。
In the countryside
在乡村
Plants and animals need water to grow.
动植物的生长需要水。
If there is no rain, they will die.
如果水下雨,他们就会死。
We will not have any rice, any vegetables or any meat.
我们将没有米饭,蔬菜和肉。
If there is no rain, we will have nothing to eat.
如果不下雨,我们将没有吃的。
We can only live for about one or two weeks without food.
没有食物我们只能活大约一两个星期。
If there is no rain, there will be no water in the streams or rivers.
如果不下雨,江河中就有水。
Fish will have nowhere to live. They will die.
鱼类将无处生存。它们将死去。
We will have nowhere to swim.
我们将无处游泳。
In the city
在城市
If there is no rain, the cooks in restaurants will have no water to cook food.
如果不下雨,饭店的厨师将无水做饭。
If there is no rain, firemen will have no water to put out fires.
如果不下雨,消防队员将没有水灭火。
This is very interesting. Yes, it is.
这非常有趣。是的。

Page 52

Look and learn
看一看,学一学

a dripping tap
滴水的水龙头
a running tap
流水的水龙头
a shower
淋浴

Page 53 Tommy Target

If...,...will...
for a week/...days
What do we use __ for?
We use __ for __ing.
How can we __?
We can __ by __ing.../not __ing...