Unit 6 The power of plants 知识清单 2024-2025学年外研版英语七年级上册

2024外研七上Unit 6 The power of plants 知识清单
一、词汇与短语
重点词汇
importance：重要性
quarter past seven：七点十五分
green uniform：绿色制服
start work：开始工作
collect：收集
sunlight：阳光
CO2（carbon dioxide）：二氧化碳
during the day：在白天
rise up：上升
mix：混合
growth：增长
product：产品
work hard：努力工作
soon：很快
millions of：数百万的
get dark：变黑
on earth：在地球上
more than：超过
the natural world：自然世界
welcome to：欢迎来到
rainforest：雨林
through the forest：穿过森林
take a raincoat：穿雨衣
the most popular drink：最受欢迎的饮料
not only…but also…：不仅……而且……
be good at：擅长
a key part of：……的关键部分
used to do：过去常常做
study abroad：出国留学
prefer：更喜欢
make sb. do：让某人做某事
feel like：感觉就像
I'm back home：我回家了
actually：实际上
all day：整天
eight cups a day：每天八杯
after school：放学后
adult：成人
comeback：回来
in the yard：在院子里
black tea：红茶
短语归纳
the importance of plants：植物的重要性
in the plant：在工厂（这里可引申为“在植物体内”）、在植物里
start work in the plant：在工厂开始工作（引申为“在植物体内开始工作”）
in the Leaf：在叶子部分
the root sends up water：根部向上送水
the leaf through the stem：穿过茎部的叶子
the growth of the plant：植物的生长情况
most importantly：最重要的是
one of the world's top three food plants：世界三大食用植物之一
for example：例如
try to do sth.：试着做某事
think about：想想看
ask for：请求，寻求
give permission：给予许可
be different from：与……不同
in East Asia：在东亚
in Europe：在欧洲
in the Americas：在美洲
in Mexico：在墨西哥
二、句型与语法
1.陈述句（Declarative Sentences）
用于陈述事实或观点。
例句：
Plants are essential for life on Earth.
The root of the plant sends up water through the stem.
Sunlight is collected by the leaves during the day.
2.疑问句（Interrogative Sentences）
用于询问信息。
例句：
What is the most important part of a plant for photosynthesis
How does a plant produce oxygen
Where does the water come from that the plant uses
3.祈使句（Imperative Sentences）
用于表达请求、命令或建议。
例句（虽然直接用于本单元内容较少，但可以构造相关句子）：
Let's learn more about the power of plants.
Observe the leaves carefully to see how they work.
4.感叹句（Exclamatory Sentences）
用于表达强烈的情感。
例句：
What an amazing process photosynthesis is!
How incredible it is that plants can turn sunlight into energy!
5.并列句（Compound Sentences）
由并列连词（如and, but, or）连接两个或两个以上的简单句。
例句：
The plant collects sunlight and CO2, and then produces oxygen and sugar.
Not only do plants provide us with food, but they also help clean the air.
6.复合句（Complex Sentences）
包含一个主句和一个或多个从句的句子。
例句：
When the sun rises, the leaves of the plant start their work of photosynthesis.
We know that plants are the primary producers in the food chain.
三、语法点
1.时态（Tenses）
一般现在时（Simple Present）：用于描述经常性、习惯性或真理性的动作或状态。
例句：Plants absorb water through their roots.
一般过去时（Simple Past）：用于描述过去某个时间发生的动作或状态。
例句（虽然本单元直接内容较少，但可以构造）：Yesterday, I learned about the process of photosynthesis.
2.语态（Voice）
主动语态（Active Voice）：主语是动作的执行者。
例句：The leaves collect sunlight.
被动语态（Passive Voice）：主语是动作的承受者。
例句（可构造）：Sunlight is collected by the leaves.
3.非谓语动词（Non-finite Verbs）
不定式（Infinitives）：to do 形式，表示目的、将来或未完成。
例句：I want to learn more about how plants work.
动名词（Gerunds）：动词+ing 形式，用作名词。
例句：Studying plants is fascinating.
分词（Participles）：现在分词（V-ing）和过去分词（V-ed），用作形容词或副词。
例句：The growing plant needs more water. / The watered plant looks healthier.
4.从句（Clauses）
名词性从句（Noun Clauses）：在句子中起名词作用的从句。
例句：I know what photosynthesis is.
形容词性从句（Adjective Clauses）：修饰名词或代词的从句，又称定语从句。
例句：The plant that produces the most oxygen is the one in the sunlight.
副词性从句（Adverb Clauses）：在句子中作状语的从句，又称状语从句。
例句：When the sun rises, the plant starts its work.
五、作文与写作
Amazing Plants
Plants are really amazing! They have the power to make our world better. They can turn air, water, and sunlight into food, which animals and humans need to survive. Without plants, we wouldn't have fresh air to breathe or delicious fruits and vegetables to eat.
Plants also make our environment beautiful. They come in many colors and shapes, adding life to the landscape. They help clean the air and reduce pollution. When we walk in a garden or a forest, we feel relaxed and happy because of the plants around us.
In short, plants are essential for life on Earth. We should take good care of them and protect them from harm. By doing so, we ensure a healthier and more beautiful planet for ourselves and future generations.