本單元的主題是：海水和雨水，主要介紹了海水的分布、作用和雨水的作用，提醒大家要愛護(hù)水資源，保護(hù)環(huán)境。學(xué)習(xí)本單元，同學(xué)們要注意累積環(huán)保類詞匯，對(duì)大家今后的英語學(xué)習(xí)大有裨益。

Page 48 Module 3

The natural elements
自然環(huán)境

Unit 3

Sea water and rain water
海水和雨水

Look and learn
看一看,學(xué)一學(xué)

a quarter
四分之一
seaweed
海草

Look and read
看一看,讀一讀

Water in the oceans. People and a lot of animals live on land.
海洋中的水。人類和許多動(dòng)物生活在陸地上。
However, only a quarter of the earth is land.
然而, 僅僅地球的四分之一是陸地。
Almost three quarters of it is water.
幾乎四分之三是水。
Fish and plenty of other sea animals live in the streams, rivers, lakes, seas and oceans.
魚類和大量其他海洋動(dòng)物生活在小溪,河流,湖泊,大海和海洋中。
It is a wonderful world under the water.
水下是一個(gè)神奇的世界。
Whales are the largest animals on earth.
鯨是地球上最大的動(dòng)物。
They live in the oceans. Dolphins are one of the most intelligent animals.
它們生活在海洋中。海豚是最聰明的動(dòng)物之一。
They also live there. Sharks are one of the most dangerous animals.
它們同樣也生活在海洋中鯊魚是最危險(xiǎn)的動(dòng)物之一。
They share the seas and oceans as well.
它們同樣也生活在海洋中。
You can find many sea animals and plants in the oceans.
在海洋中你能找到許多海洋動(dòng)植物。
They are in every colour, every size and every shape.
它們有各種顏色, 大小不一, 形狀各異。
Have you ever seen a coral reef?
你看過珊瑚礁嗎?
Have you ever seen starfish, sea horses or seaweed?
你曾見過海星,海馬或海草嗎?
They are beautiful. The oceans give us wonderful plants and animals to enjoy.
它們很美。海洋給我們提供可以享受的奇妙的動(dòng)植物。
They also give us food to eat and oil to burn.
它們也給我們提供吃的食物和燃燒的石油。
In some places, people get drinking water by taking away the salt from sea water.
在一些地方,人們能過除去海水中的鹽得到飲用水。
The oceans are very important to all animals on earth.
海洋對(duì)生活在地球上的所有動(dòng)物都是非常重要的。
We must keep sea water clean and stop polluting it.
我們必須有保持海水干凈,停止污染。

Page 50

Look and read
看一看,讀一讀

Kitty and Ben are using their computer.
基蒂和本正在使用計(jì)算機(jī)
They find some interesting information about water.
他們找到一些關(guān)于水的有趣的資料。
What will happen if there is no water?
如果沒有水將會(huì)發(fā)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,就沒有水喝。
We can only live for about three days without water.
沒有水,我們只能活三天。
If there is no rain, we will have no water to brush our teeth.
如果不下雨,我們將沒有水刷牙。
We will have no water to take a shower.
我們會(huì)沒有水洗澡。
We will have no water to wash the dishes or our clothes.
我們會(huì)沒有水洗碟子,洗衣服。
In the countryside
在鄉(xiāng)村
Plants and animals need water to grow.
動(dòng)植物的生長需要水。
If there is no rain, they will die.
如果水下雨,他們就會(huì)死。
We will not have any rice, any vegetables or any meat.
我們將沒有米飯,蔬菜和肉。
If there is no rain, we will have nothing to eat.
如果不下雨,我們將沒有吃的。
We can only live for about one or two weeks without food.
沒有食物我們只能活大約一兩個(gè)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.
魚類將無處生存。它們將死去。
We will have nowhere to swim.
我們將無處游泳。
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,飯店的廚師將無水做飯。
If there is no rain, firemen will have no water to put out fires.
如果不下雨,消防隊(duì)員將沒有水滅火。
This is very interesting. Yes, it is.
這非常有趣。是的。

Page 52

Look and learn
看一看,學(xué)一學(xué)

a dripping tap
滴水的水龍頭
a running tap
流水的水龍頭
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...