Lesson 13
Can you talk ?
Mike and Baobao are playing table tennis.
迈克和宝宝在打乒乓球。
play chess
下棋
play basketball
打篮球
play baseball
打棒球
Can you do ?
Eyes in the Dark黑暗中的眼睛
What has eyes but cannot see?It's the potato.Did you guess right?The little bumps on a potato's skin are its"eyes".An eye can grow into a new potato plant.Do you want to try and grow your own?
什么东西有眼睛却看不见？是马铃薯，你猜对了吗？马铃薯皮上的小疙瘩是它的“眼睛”。眼睛可以长出一种新的马铃薯植株。你想尝试自己种植吗？
Things you will need:a potato,some soil,and a flower pot.
你需要的东西：一个土豆，一些土壤和一个花盆。
1.Put the potato in a dark place.Check it every day for small bumps or "eyes".
1.把土豆放在阴暗的地方，每天检查一下，看看有没有小肿块或“眼睛”。
2.When you see the "eyes",cut them off the potato.
2.当你看到“眼睛”时，把它们从土豆上切下来。
3.Fill the flower pot with some soil and then put the piece of potato on the soil with the "eyes"facing up.
3.把花盆装满一些土，然后把土豆放在土壤上，“眼睛”朝上。
4.Cover the "eyes"withe more soil.Water it but don't use too much water.Watch every day for about two weeks and see the changes.
4.用更多的土壤覆盖“眼睛”。用水，但不要使用太多的水。每天观察，大约两周，看看变化。
What happened ?You can write down the changes here.
发生了什么事？你可以在这里写下这些变化。
Can you read and write?
Facts About Trees 关于树木的事实
Trees are tall plants.
树是很高的植物。
Trees can live for thousands of years.
树可以存活成千上万年。
Some trees can grow taller than 100 metres.
一些树能长到100多米高。Trees Produce oxygen and reduce the amount focarbon dioxide in the air.
树生产氧气并减少空气中的二氧化碳含量。
The roots of a tree usually grow underground.
树木的根通常长在地下。
They help keep the tree stable and give it water and important nutrients.
他们帮助树木稳定并输送水分和重要的养分。
Water and nutrients travel up the tree trunk, through the branches and all the way out to theleaves.
水分和养分被输送到树干， 然后再通过树枝被输送到叶子。
We can tell the age of a tree by growth rings in the wood.
我们可以通过年轮的圈数判断树的年龄。
Planting trees can help protect the environment.
种树可以帮助保护环境。
We can use wood from trees in a number of different ways,
我们可以用很多方式来利用树木。
for example, building a house and making furniture.
比如说 造房子和做家具。
Task 1
Tick or cross 听音判断对错
（）1.Trees can only live for 100 years.
树只能活100年。
（）2.Water and nutrients travel down the tree trunk.
水和养分沿着树干移动。
（）3.We can tell the age of a tree by its roots.
我们可以根据树根来判断它的年龄。
Task 2
Fill in the blanks.填空
1.Water travels up the tree trunk ,through the branches ,and all the way out to the leaves .
1.水沿着树干行进，穿过树枝，一直延伸到树叶上。
2.We can tell the age of a tree by growth rings in the wood.
2.我们可以通过树上的年轮的圈数来判断树的年龄。
3.We can use wood from trees to building a house and making furniture.
3。我们可以用树木来建造房屋和制造家具。
Task 3
Find out the English names for trees and match them with pictures.找出树木的英文名字，并与图片搭配。
pine松木 palm棕榈树 willow 柳树 bamboo竹子 maple枫树
Lesson 14
Can you talk ?
How can we make use of...?
我们怎样才能利用...？
the river 河流
the trees 树木
the flowers 花
the land 土地
Can you do ?
How do you leaves get water ? You will say,"The stem of a plant carries water from the roots to the leaves."That's right ! The stem is like a straw. Try the following experiment to see what happens.
你怎么离开水？你会说：“植物的茎把水从根部带到叶子。”茎就像一根稻草。试试下面的实验看看会发生什么。
Things you need:你需要的东西：
1.two celery stems with leaves but without roots;about 02.metres long
1.两个芹菜茎，叶无根；长约0.02米；
2.two bottles or big glasses
2.瓶或大玻璃杯
3.red and blue colour
3.红色和蓝色
4.water
4.水
5.a piece of paper to write down the changes
5.一张纸写下变化
Follow these steps:
遵循以下步骤：
1.Fill the bottles or glasses with water.
1.把瓶子或玻璃杯装满水。
2.Put some red colour in one bottle and some blue colour in the other bottle.
2.在一个瓶子里放一些红色，在另一个瓶子里放一些蓝色。
3.Put a celery stem in each bottle.
3.在每个瓶子里放一个芹菜梗。
4.Check the stems every hour and write down the changes.
4.每小时检查茎，记下变化。
Can you read and write ?
Stone, metal, wood, paper, and cloth are materials. We use them every day.
石头， 金属， 木材， 纸张和布匹都是材料 。我们每天都在使用它们。
Stone is a hard, heavy material.
石头是一种坚硬而且沉重的材料。
Most stones sink to the bottom of water.
绝大多数石头都会沉到水里。
We get stone from the ground and from mountains.
我们从地下和山里获取石头。
Stone does not bend, but it can be cut into shapes.
石头不能弯曲， 但可以被切割成不同的形状。
We get metal from stone. Metals are strong and difficult to break.
我们从石头中提炼金属。 金属很硬很难被折断。
They are usually shiny. Metals are hard like stone,
它们通常都有光泽 。金属跟石头一样硬。
but we can bend them and make them into different shapes.
但我们可以折弯它们并做成不同的形状。
Wood is a material from trees.
木材是一种来自树木的材料。
Wood is a hard material, but it is not as hard asstone or metal.
木材也很硬， 但是它不像石头和金属那么硬。
We can cut and shape wood with metal tools.
我们可以用金属工具来切割和打磨木材。
Paper is a soft material from plant.
纸张是一种来自植物的很软的材料。
It is light and very easy to bend and fold.
它很轻而且很容易弯曲折叠。
Cloth is a soft material. There are different kinds of cloth.
布匹是一种很软的材料。 有很多类型的布匹。
We make cloth from sheep's wool, cotton, and silk.
我们用羊毛， 棉花和丝绸来做布。
We use cloth to make many things such as T-shirts and jeans.
我们可以用布做很多东西 ，比如说T恤和牛仔裤。