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(共13张PPT)
Lesson 3 Sentences
1. The Amazon River，from which the rainforest gets its name，is close to 6,400 kilometres in length...(“介词＋which”引导定语从句)
亚马孙雨林得名于亚马孙河，亚马孙河长接近6 400千米……
1. Trading leather shoes is the business ______ which the Greens are devoted.
2. They are collecting information in preparation for the day ______ which the two sides sit down and talk.
3. Last Sunday, I bought some books from the bookstore, three ____ which were English novels.
4. There are many types of vegetarians, some of _____don't even eat animal products such as milk, eggs, or yogurt.
1）在"介词＋关系代词"结构引导的定语从句中，关系代词指物用which，指人用whom，不能用 that或 who 代替，也不可省略。但如果介词后置，则不受这种限制。
(2)"介词＋which/whom"可引导限制性或非限制性定语从句。此结构中，介词的确定原则是：
①依据定语从句中动词或形容词等的某种习惯搭配而定；
②依据与先行词搭配的具体意义而定；
③表示"所有关系"或"整体中的一部分"时，通常用介词of。
(3）关系副词 when、where、why 可用"介词＋which"来替换。
句式仿写
(2025·新课标I卷）我写信是想和你分享上周五我在公园上的一堂美术课，在那节课中，我沉浸于创作与欢乐的氛围里。
I'm writing to share with you an art class I had in a park last Friday, ____________________________________________________
in which I was lost in an atmosphere of creativity and joy
2. As the human population continues to grow，so does the effect we have on animals.(so＋助动词＋主语)
1.so/neither/nor表示"也"：用于重复前句的肯定或否定内容，结构为"so/neither/nor ＋助动词＋主语"。
· 肯定： She likes reading. So do l.（她喜欢阅读，我也是。)
· 否定：He can't swim. Neither can I.（他不会游泳，我也不会。)
1. Jack has prepared for the college entrance exam for 3 years.
— ________ my classmates.
2. She doesn’t plan to study abroad.
— ____________ her twin sister.（Neither does）
So have
Neither does
1. 我从没见过这么美的地方。
2. 只有用这种方法你才能解决问题。
Never have I seen such a beautiful place.
Only in this way can you solve the problem.
3. 他工作如此努力以致成功了。
So hard did he work that he succeeded.
4. 尽管他是个孩子，英语却很流利。
Child as he is, he speaks fluent English.
5. 他不仅教书，还写小说。
Not only does he teach, but he also writes novels.
6. 直到午夜他才完成工作。
Not until midnight did he finish work.
2．以否定词（如never、seldom、little)、否定短语（如in no way、under no circumstances , by no means）或关联结构（如hardly...when）开头时，需将助动词提前。
例： Never have I seen such a beautiful place.（我从没见过这么美的地方。)
Hardly had he started when it began to rain.（他刚要开始就下雨了。)
3.only+ 状语开头：当only修饰副词、介词短语或状语从句并置于句首时，主句需部分倒装（从句不倒装）
● 例： Only in this way can you solve the problem.（只有用这种方法才能解决问题。)。
4. so/such…that强调结构：将so或such提前至句首时，主句倒装。
So hard did he work that he succeeded.（他工作如此努力以致成功了。)
5.as/though让步从句：将表语、状语或动词原形提前至 as/though前。
例： Child as he is, he speaks fluent English.
（尽管他是个孩子，英语却很流利。)
6.not only开头： not only引导分句时需倒装，but also分句不倒装。
例： Not only does he teach, but he also writes novels.（他不仅教书，还写小说。)。
7. not until开头： not until置于句首时，主句倒装，从句不倒装。
例： Not until midnight did he finish work.（直到午夜他才完成工作。)。
3. With an area of around 6 million square kilometres，the Amazon rainforest is more than half the size of China.(倍数表达法)
亚马孙雨林的面积约为600万平方千米，比中国国土面积的一半还要大。
常见的倍数表达法有：
A＋be＋倍数＋the＋名词(size/weight/length/...)＋of＋B
A＋be＋倍数＋what从句
A＋be＋倍数＋as＋形容词/副词原级＋as＋B
A＋be＋倍数＋形容词/副词比较级＋than＋B
句式仿写
(2023·新课标I卷）现在我们新学校口语训练室的面积是10年前的三倍大。
Now the area of our new school's oral training room is
______________________________________________________
three times the size of what it was ten years ago
假设你是李华，学校环保社团成员，计划向全校同学发起环保倡议。请以“Protect Our Planet, Protect Our Future”为标题写一篇英语倡议书，主要内容包括：
1. 倡议背景
2. 具体行动建议及呼吁；
3. 词数：80词左右
Dear fellow students,
Our planet ___________________________________________________________
________________________________(是我们成长、学习、与亲友共度欢乐时光的美丽家园)（介词+关系代词). It provides us with clean air, fresh water and rich resources we need every day. However, due to human activities, the Earth is facing significant threats.
______________________________（这是一些我们可以采取的简单措施)（完全倒装) First, let's reduce single-use plastics. The amount of plastic waste we produce now is _________________________（十年前的三倍之多)（倍数). Second, we must embrace recycling. Paper, plastic bottles, and cans should be correctly sorted into recycling bins, _____________________________________________（通过这种方式，宝贵的资源可以重获新生（介词+关系代词）. _______________________
____________(节约能源也很重要). （完全倒装） We can easily turn off lights and fans when leaving a classroom and unplug chargers when not in use. ___________
_____________________（这不仅节省电力，还减少了我们的碳足迹）部分倒装)
Let’s work together to protect our planet. It is the only home we have.
Dear fellow students,
Our planet is a beautiful home in which we grow, learn and share joyful moments with friends and family(是我们成长、学习、与亲友共度欢乐时光的美丽家园)（介词+关系代词. It provides us with clean air, fresh water and rich resources we need every day. However, due to human activities, the Earth is facing significant threats.
Here are some simple steps we can all take.（这是一些我们可以采取的简单措施）（完全倒装） First, let's reduce single-use plastics. The amount of plastic waste we produce now is three times as much as it was a decade ago（十年前的三倍之多）（倍数）. Second, we must embrace recycling. Paper, plastic bottles, and cans should be correctly sorted into recycling bins, through which valuable resources can be given a new life（通过这种方式，宝贵的资源可以重获新生（介词+关系代词）. Also important is saving energy(节约能源也很重要). （完全倒装） We can easily turn off lights and fans when leaving a classroom and unplug chargers when not in use. Not only does this save electricity, but it also reduces our carbon footprint.（这不仅节省电力，还减少了我们的碳足迹）部分倒装）
Let’s work together to protect our planet. It is the only home we have.

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