内容正文:
Unit 5 The power of plants
Starting out & Understanding ideas
What can a plant give to the people ?
Plants are our _________ .
Food
Material
Medicine
Art materials
Look at the picture and answer the question.
1
Starting out
Plants are part of our life.
What facts about plants do you know?
How do plants make it?
The plants also have _______ .
lives 生命
Plants, just like humans, also have body parts.
leaf
stem
root
What are these parts ?
Plants, just like humans, also need nutrients营养.
leaf
stem
root
What do plants need to live ?
sunlight
water
soil [sɔɪl]
Photosynthesis in plants
光合作用
/ˌfəʊtəʊˈsɪnθəsɪs/
1.能够理解并掌握与植物结构、功能和光合作用相关的词汇。
2.能理解光合作用的基本过程和意义。
1. leaf→____________________ (复数形式)
2. collect→____________________ (n.收藏品)
3. send→____________________ (过去式)
4. rise→____________________ (过去式)
5. produce→____________________ (n.生成物)
6. breathe→____________________ (n.呼吸)
7. rest→____________________ (v.休息)
8. natural→_________________ (n.自然)→_________________ (adv.自然地)
leaves
单词拓展
collection
sent
rose
product
breath
rest
nature
naturally
常用短语(请在课文中画出下列短语)
1.在植物工厂内部 within a plant 7.通过茎部 through the Stem
2.穿着他的绿色制服 in his green uniform 8.变暗 get dark
3.收集阳光 collect sunlight 9.休息 take a rest
4.在白天 during the day 10.数百万的 millions of
5.送水 send up water 11.制造糖 make sugar
6.上升到 rise up to 12.绿色车间 the green workshop
Fast-reading
Go to work
B. Get off work
D. Products(产品) and uses
E. Work content(内容)
C. The importance of plants
Within a plant
Read the passage and match the main idea with paragraphs.
Fast-reading
Choose another suitable title
√
Go to work
Get off work
Products(产品) and uses
Work content
The importance of plants
Careful-reading
When/Where will workers No.55 work ?
How many kinds of workers are there, and what are they?
What will workers do in the workshop ?
What materials(材料) do they need to make products?
Careful-reading
How many products(产品) will they make? What are they?
Who need their products? Why?
When will they be off duty ?
Careful-reading
What else do plants bring us besides(除了) food and oxygen?
Plants give animals a place to live, like birds' nests in trees.
Some plants can be made into medicine to keep us healthy.
Plants stop soil from washing away and make the weather nicer.
Plants are important for the natural world.
We should take action to protect plants!
Read out loud
Careful-reading
Complete the texts.
leaf
rise up
Water
sugar
breathe
经典句型(请在课文中画出下列句型)
1.他们在白天收集阳光和二氧化碳。 They collect sunlight and CO2 during the day.
2.水将会通过茎部上升到叶子。 The water will rise up to the Leaf through the Stem.
3.(对他们来说)最重要的是,将会有糖! Most importantly(for them),there will be sugar!
4.然后叶子里的工人将会混合水,二氧化碳和阳光。 Then workers in the Leaf will mix water,CO2 and sunlight.
5.它对植物的生长有用。 It’s useful for the growth of the plant.
6.另一种产物将是氧气,但植物不需要太多(氧气)。 Another product will be oxygen,but the plant doesn’t need much of it.
7.然而,它对动物和人类来说意义重大——他们需要它来呼吸! It means a lot to animals and humans,though—they need it to breathe!
8.很快,天就要黑了。 Soon it’s going to get dark.
9.他们将要休息了。 They will take a rest.
10.没有植物,自然界将会非常不同! Without plants,the natural world would be very different!
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