资源简介

(共34张PPT)
Unit 5 Looking into nature
八年级
外研版2024
下
课文解析一
1.What do they have in common 他们有什么共同之处
[用法讲解] common为形容词，译为"普通的，常见的";common还可作名词，译为"公共用地".
Eg: It's common to make a roast dinner on a Sunday here.
在这周日制作一顿烤肉晚餐很正常。
The children were playing in the common.
孩子们正在公共用地上玩耍。
[常见搭配]common sense常识
common people普通人
common interest共同利益
Eg: Use your common sense.
用一用你的常识吧。
The purpose is to ensure a good service for the common people.
保证为人民服务宗旨的贯彻。
This is in the common interest of the third world.
这是第三世界的共同利益。
[即学即用]
他们有很多共同的兴趣。
They_______many interests_____________.
have in common
2.With an angry cry, it opens it mouth, raises its beautiful feather covered arms.
随着一声愤怒的嘶鸣，它张开嘴巴，抬起覆盖着羽毛的前肢。
[用法讲解]with为介词，常见意思如下：
(1)"和...一起"
Eg: I go to school with Lily.
我和丽丽一起去上学。
(2)"长着；戴着"
Eg: The girl with big eyes is Lily.
长着大眼睛的女孩是丽丽。
(3)"拿着"
Eg:Ourteacher goes into the classroom with a book.
我们的老师手里拿着书走进教室。
(4)"用"
Eg: She wrote the letter with a pencil.
她用铅笔写这封信。
(5)"带有"
Eg: I like drinking coffee with milk.
我喜欢喝加奶的咖啡。
[易混辨析]in,by和with在表示"使用"时区别
in后面常接某种语言，表示使用某种语言；
by后接doing，表示通过某种方式或手段；
with后接工具，表示使用某种工具或手段来进行某种活动。
Eg: I can read it in English.
我可以用英语来阅读它。
I improve my English by reading aloud.
我通过大声朗读来提高我的英语。
I cut paper with the knife.
我用刀切纸。
[即学即用]
( )He is always full of confidence______a smile on his face.
A.with B.at C.on D.by
A
3.For hundreds of years, people believe that dinosaurs looked like huge lizards.
数百年来，人们一致认为恐龙看起来像巨大的蜥蜴。
[用法讲解] hundred为数词，译为"百", hundred前接数字时，不可加s，表示"...百"; hundred后面可接of，此时必须加s，译为"数百的";hundred修饰名词表示一笔金额时，谓语动词用单数。
[常见搭配]a hundred/ one hundred一百
two/ three... hundred二/三...百
hundreds of数百的
Eg: We've driven two hundred miles in the last two hours.
在过去的两个小时里，我们已经开了200英里。
There are hundreds of people in the park.
公园里有数百人。
Two hundred pounds is used for team building.
200美元用于团队建设。
[知识拓展]类似词语拓展
thousand千；million百万；billion十亿
注意：用法与hundred用法一致。
Eg: A thousand people signed the petition.
一千人在请愿书上签了名。
There are millions of people in the city.
这个城市有数百万人。
[即学即用]
There are eight___________(hundred) in our school.
hundred
4.However, thanks to a piece of amber. 然而，多亏了一块琥珀。
[用法讲解]thanks to译为"多亏，由于"，后常接名词，代词或动名词。
Eg: Thanks to your help, I finished the project on time.
多亏了你的帮助，我按时完成了项目。
[知识拓展]thanks for...为...而感谢
Eg:Thanks for your help.
谢谢你的帮助。
[易混辨析] thanks to与because of区别
thanks to通常带有一种积极的，感谢的意味；
because of更中性，有时可能带有负面的意味。
Eg: Thanks to your advice, I avoided a big mistake.
对亏你的建议，我避免了打错。
Because of the bad weather, we had to cancel our plans.
由于天气不好，我们不得不取消计划。
不可数名词的量化：
通常不可数名词没有复数形式，不能用a/an修饰，且不能用数词直接修饰。不可数名词作主语时，谓语动词通常用单数
注意：不可数名词的量化
具体的量：数词+表示数量的名词+of+不可数名词；
如：a piece of paper 一张纸；
three kilos of rice 三公斤大米
大概的量：表示量的限定词+不可数名词(用 some, much, little, a little,a lot of等表示);
如：some water一些水；
a lot of money 许多钱
[知识拓展] a piece of cake还可译为"小事一桩，小菜一碟".
Eg: This test was a piece of cake. I didn't have to study so much!
这次考试是小菜一碟，我用不着学那么多。
[即学即用]
1.多亏了她的努力工作，她得到晋升。
_____________her hard work, she got the promotion.
( )2. I need some _______. Can I borrow some
A.piece of paper B.piece of papers
C.pieces of papers D.pieces of paper
Thanks to
D
5.This species no longer grows in this area.这个物种如今已不在该地区生长。
[用法讲解] no longer译为"不再..."，强调从过去到现在的一种变化；其中not为否定词，位于be动词，情态动词及助动词之后。
Eg: I no longer play tennis.
我不再打网球了。
[同义词组]Not... any longer = no more不再
Eg: I don't eat fast food any more.
= I don't eat fast food any longer.
= I no more eat fast food.我不再吃快餐了。
[即学即用]
( )1.It is not polite for students to shout in class. Miss Green told them______ do that______.
A.Don't; any longer
B. to not; no longer
C. not to; any more
D. doesn't; no more
2.你已经长大了，不再是一个孩子了。
You have grown up, you are_____ _____ a child.
C
no longer
6.Scientists used to believe that ants came from the northern half of the earth.
科学家们过去认为蚂蚁起源于地球的北半球。
[用法讲解] use为动词译为"使用".
[常见搭配]it's useful to do sth. 做某事是有用的。
use sth.to do sth."用某物做某事"
make good use of ...充分利用...
be used to do sth.被用来做某事
used to do sth.过去常常做某事
be used to doing sth.习惯做某事
Eg: It's useful to learn English well.
学好英语是有用的。
I use a pen to write this letter.
"我用钢笔写这封信。"
We must make good use of our free time.
我们必须好好利用我们的空闲时间。
Cotton is used to make cloth.
棉花被用来织布。
The old man used to live in the country, but now he is used to living in the city.这位老人过去常常住在乡下，但是现在他习惯住在城市。
[派生词] useful为形容词，译为"有用的";
useless为形容词，译为"无用的".
Eg:This book is useful.
这本书很有用。
[即学即用]
1.You can use this knife________ (cut) the bread.
( )2. My father_____smoke a lot, but now he doesn't.
A.used to B. is used to
C.gets used to D. used
to cut
A
7.Will scientists find the reason for dinosaurs dying out
科学家会找到恐龙灭绝的原因吗
[用法讲解] die为动词，译为"死去，去世".
[常见搭配]die from死于(外部原因)
die of死于(内部原因)
die for...为...而死
die out灭绝
die away逐渐消失
Eg: He died from a heart attack.
他死于心脏病。
She died of cancer.
她死于癌症。
Many soldiers died for their country.
许多士兵为国捐躯。
Many species are dying out due to habitat loss.
许多物种因栖息地丧失而灭绝。
The sound of the waves died away as we waled further into the forest.
随着我们走进森林，海浪的声音逐渐消失了。
[易混辨析] die,dead,dying,death区别
die为动词，译为"死亡";
dead为形容词，译为"已故的，死的"
dying为形容词，译为"奄奄一息的";
death为名词，译为"死亡".
Eg: His father died last year.
他的父亲去年去世了。
The cat is dead.
猫死了。
A dying man is lying on the street.
一个奄奄一息的人躺在街上。
His mother's death was a great shock to him.
他母亲的去世对他是一个巨大的打击。
[即学即用]
1.They are still grieving for their______(die) child.
( )2.The old man died_______heart trouble.
A.of B.from C.with D.by
dead
A
8.These secrets awaken our curiosity and drive scientists to better understand the wonders around us. 这些秘密唤醒了我们的好奇心，驱使科学家们去更好地理解我们周围的奇迹。
[用法讲解] drive作名词时，还可译为"迫使"; drive还可为动词，译为"驾驶，驾车，推动"，其过去式为drove，过去分词为driven.
Eg: She has a drive to succeed.
她有成功的冲动。
I went for a drive in the countryside.
我开车去乡下。
She drives a car to work every day.
我每天开车上班。
The farmer drove the cattle to the field.
农民把牛赶到田野。
The team is driven to complete the project on time.
团队致力于按时完成项目。
[常见搭配]have a drive for ...对...有冲劲，有对...的本能需求
drive sb.crazy/mad 使某人发疯或抓狂
drive sb. away赶走某人
drive home sth.强调某点
drive out sth.消除或根除某物
take a drive短途驾驶
Eg: Tom has a strong drive for knowledge, so he always studies hard.
汤姆对知识有强烈的冲劲，所以他总是努力学习。
The constant delays are driving me mad!
不断的延误快把我逼疯了!
High prices drove away potential buyers.
高价吓退了潜在买家。
She drove home the need for teamwork.
她反复强调团队合作的必要性。
Efforts to drive out invasive species continue.
根除外来入侵物种的努力持续进行。
We took a drive to watch the sunset.
我们开车去看日落。
[派生词] driver为名词，译为"司机".
Eg:The bus driver asked them to move along.
公共汽车司机让他们往里走走。
[即学即用]
1.有时金钱可以让人疯狂，甚至毁掉他们。
Sometimes moneycan________________and even kill them.
2.The_______(drive) sits at the front of the bus.
drive people crazy
driver
9.What do the local people do with it 当地人如何处理它
[用法讲解] do with为动词短语，表示处理，应对或解决某种问题或情况，常与疑问词what连用；其同义词组为deal with,deal with与疑问词how连用。
Eg: How are you going to deal with these books
= What are you going to do with these books
你打算怎么处理这些书
[即学即用]
我不知道如何处理这辆车
I don't know what to__________the car.
do with
10.I'm curious about the possible reasons.我对可能的原因很好奇。
[用法讲解] curious为形容词，译为"好奇的",在句中常作定语和表语。
Eg: She is a curious child, always asking questions.
她是个好奇的孩子，总是问个不停。
Babies are curious about everything around them.
宝宝对周围的一切都很好奇。
[常见搭配]be curious about...对...感到好奇的
be curious to do sth.很想做某事
be curious that从句奇怪的是...
Eg: I'm curious about your plans for the future.
我对你未来的计划感到好奇。
He was curious to know the result of the exam.
他很想指导考试的结果。
It's curious that he didn't show up for the meeting.
奇怪的是他没有出席会议。
[派生词] curiosity为不可数名词，译为"好奇心".
Eg: Her curiosity about the world never ceases.
她对世界的好奇心从未停止。
[即学即用]
I'm________(curiosity) about your opinion on this matter.
curious
Thanks!
21世纪教育网（www.21cnjy.com)
中小学教育资源网站
有大量高质量资料？一线教师？一线教研员？
欢迎加入21世纪教育网教师合作团队！！月薪过万不是梦！！
详情请看：
https://www.21cnjy.com/help/help_extract.php/ 让教学更有效 英语学科
Unit 5 Looking into nature 课文解析一
1.What do they have in common 他们有什么共同之处
[用法讲解] common为形容词，译为"普通的，常见的";common还可作名词，译为"公共用地".
Eg: It's common to make a roast dinner on a Sunday here.
在这周日制作一顿烤肉晚餐很正常。
The children were playing in the common.
孩子们正在公共用地上玩耍。
[常见搭配] common sense 常识
common people 普通人
common interest 共同利益
Eg: Use your common sense.
用一用你的常识吧。
The purpose is to ensure a good service for the common people.
保证为人民服务宗旨的贯彻。
This is in the common interest of the third world.
这是第三世界的共同利益。
[即学即用]
他们有很多共同的兴趣。
They_______many interests_____________.
答案：have; in common
2.With an angry cry, it opens it mouth, raises its beautiful feather covered arms.
随着一声愤怒的嘶鸣，它张开嘴巴，抬起覆盖着羽毛的前肢。
[用法讲解] with为介词，常见意思如下：
(1)"和...一起"
Eg: I go to school with Lily.
我和丽丽一起去上学。
(2)"长着；戴着"
Eg: The girl with big eyes is Lily.
长着大眼睛的女孩是丽丽。
(3)"拿着"
Eg: Our teacher goes into the classroom with a book.
我们的老师手里拿着书走进教室。
(4)"用"
Eg: She wrote the letter with a pencil.
她用铅笔写这封信。
(5)"带有"
Eg: I like drinking coffee with milk.
我喜欢喝加奶的咖啡。
[易混辨析]in,by和with在表示"使用"时区别
in后面常接某种语言，表示使用某种语言；
by后接doing，表示通过某种方式或手段；
with后接工具，表示使用某种工具或手段来进行某种活动。
Eg: I can read it in English.
我可以用英语来阅读它。
I improve my English by reading aloud.
我通过大声朗读来提高我的英语。
I cut paper with the knife.
我用刀切纸。
[即学即用]
( )He is always full of confidence______a smile on his face.
A.with B.at C.on D.by
答案：A
3.For hundreds of years, people believe that dinosaurs looked like huge lizards.
数百年来，人们一致认为恐龙看起来像巨大的蜥蜴。
[用法讲解] hundred为数词，译为"百", hundred前接数字时，不可加s，表示"...百"; hundred后面可接of，此时必须加s，译为"数百的";hundred修饰名词表示一笔金额时，谓语动词用单数。
[常见搭配] a hundred/ one hundred 一百
two/ three... hundred 二/三...百
hundreds of 数百的
Eg: We've driven two hundred miles in the last two hours.
在过去的两个小时里，我们已经开了200英里。
There are hundreds of people in the park.
公园里有数百人。
Two hundred pounds is used for team building.
200美元用于团队建设。
[知识拓展]类似词语拓展
thousand千；million百万；billion十亿
注意：用法与hundred用法一致。
Eg: A thousand people signed the petition.
一千人在请愿书上签了名。
There are millions of people in the city.
这个城市有数百万人。
[即学即用]
There are eight___________(hundred) in our school.
答案：hundred
4.However, thanks to a piece of amber. 然而，多亏了一块琥珀。
[用法讲解]thanks to译为"多亏，由于"，后常接名词，代词或动名词。
Eg: Thanks to your help, I finished the project on time.
多亏了你的帮助，我按时完成了项目。
[知识拓展]thanks for...为...而感谢
Eg:Thanks for your help.
谢谢你的帮助。
[易混辨析] thanks to与because of区别
thanks to通常带有一种积极的，感谢的意味；
because of更中性，有时可能带有负面的意味。
Eg: Thanks to your advice, I avoided a big mistake.
对亏你的建议，我避免了打错。
Because of the bad weather, we had to cancel our plans.
由于天气不好，我们不得不取消计划。
不可数名词的量化：
通常不可数名词没有复数形式，不能用a/an修饰，且不能用数词直接修饰。不可数名词作主语时，谓语动词通常用单数
注意：不可数名词的量化
具体的量：数词+表示数量的名词+of+不可数名词；
如：a piece of paper 一张纸；
three kilos of rice 三公斤大米
大概的量：表示量的限定词+不可数名词(用 some, much, little, a little,a lot of等表示);
如：some water一些水；
a lot of money 许多钱
[知识拓展] a piece of cake还可译为"小事一桩，小菜一碟".
Eg: This test was a piece of cake. I didn't have to study so much!
这次考试是小菜一碟，我用不着学那么多。
[即学即用]
1.多亏了她的努力工作，她得到晋升。
_____________her hard work, she got the promotion.
( )2. I need some _______. Can I borrow some
A.piece of paper B.piece of papers
C.pieces of papers D.pieces of paper
答案：1.Thanks to 2.D
5.This species no longer grows in this area.这个物种如今已不在该地区生长。
[用法讲解] no longer译为"不再..."，强调从过去到现在的一种变化；其中not为否定词，位于 be动词，情态动词及助动词之后。
Eg: I no longer play tennis.
我不再打网球了。
[同义词组] Not... any longer = no more 不再
Eg: I don't eat fast food any more.
= I don't eat fast food any longer.
= I no more eat fast food.
我不再吃快餐了。
[即学即用]
( )1.It is not polite for students to shout in class. Miss Green told them______ do that______.
A.Don't; any longer
B. to not; no longer
C. not to; any more
D. doesn't; no more
2.你已经长大了，不再是一个孩子了。
You have grown up, you are_____ _____ a child.
答案：1.C 2.no longer
6.Scientists used to believe that ants came from the northern half of the earth.
科学家们过去认为蚂蚁起源于地球的北半球。
[用法讲解] use为动词译为"使用".
[常见搭配] it's useful to do sth. 做某事是有用的。
use sth.to do sth."用某物做某事"
make good use of ... 充分利用...
be used to do sth. 被用来做某事
used to do sth.过去常常做某事
be used to doing sth.习惯做某事
Eg: It's useful to learn English well.
学好英语是有用的。
I use a pen to write this letter.
"我用钢笔写这封信。"
We must make good use of our free time.
我们必须好好利用我们的空闲时间。
Cotton is used to make cloth.
棉花被用来织布。
The old man used to live in the country, but now he is used to living in the city.
这位老人过去常常住在乡下，但是现在他习惯住在城市。
[派生词] useful为形容词，译为"有用的";
useless为形容词，译为"无用的".
Eg:This book is useful.
这本书很有用。
[即学即用]
1.You can use this knife________ (cut) the bread.
( )2. My father_____smoke a lot, but now he doesn't.
A.used to B. is used to
C.gets used to D. used
答案：1.to cut 2.A
7.Will scientists find the reason for dinosaurs dying out
科学家会找到恐龙灭绝的原因吗
[用法讲解] die为动词，译为"死去，去世".
[常见搭配] die from 死于(外部原因)
die of 死于(内部原因)
die for... 为...而死
die out 灭绝
die away 逐渐消失
Eg: He died from a heart attack.
他死于心脏病。
She died of cancer.
她死于癌症。
Many soldiers died for their country.
许多士兵为国捐躯。
Many species are dying out due to habitat loss.
许多物种因栖息地丧失而灭绝。
The sound of the waves died away as we waled further into the forest.
随着我们走进森林，海浪的声音逐渐消失了。
[易混辨析] die,dead,dying,death区别
die为动词，译为"死亡";
dead为形容词，译为"已故的，死的"
dying为形容词，译为"奄奄一息的";
death为名词，译为"死亡".
Eg: His father died last year.
他的父亲去年去世了。
The cat is dead.
猫死了。
A dying man is lying on the street.
一个奄奄一息的人躺在街上。
His mother's death was a great shock to him.
他母亲的去世对他是一个巨大的打击。
[即学即用]
1.They are still grieving for their______(die) child.
( )2.The old man died_______heart trouble.
A.of B.from C.with D.by
答案：1.dead 2.A
8.These secrets awaken our curiosity and drive scientists to better understand the wonders around us. 这些秘密唤醒了我们的好奇心，驱使科学家们去更好地理解我们周围的奇迹。
[用法讲解] drive作名词时，还可译为"迫使"; drive还可为动词，译为"驾驶，驾车，推动"，其过去式为drove，过去分词为driven.
Eg: She has a drive to succeed.
她有成功的冲动。
I went for a drive in the countryside.
我开车去乡下。
She drives a car to work every day.
我每天开车上班。
The farmer drove the cattle to the field.
农民把牛赶到田野。
The team is driven to complete the project on time.
团队致力于按时完成项目。
[常见搭配] have a drive for ... 对...有冲劲，有对...的本能需求
drive sb.crazy/mad 使某人发疯或抓狂
drive sb. away 赶走某人
drive home sth. 强调某点
drive out sth. 消除或根除某物
take a drive 短途驾驶
Eg: Tom has a strong drive for knowledge, so he always studies hard.
汤姆对知识有强烈的冲劲，所以他总是努力学习。
The constant delays are driving me mad!
不断的延误快把我逼疯了!
High prices drove away potential buyers.
高价吓退了潜在买家。
She drove home the need for teamwork.
她反复强调团队合作的必要性。
Efforts to drive out invasive species continue.
根除外来入侵物种的努力持续进行。
We took a drive to watch the sunset.
我们开车去看日落。
[派生词] driver为名词，译为"司机".
Eg:The bus driver asked them to move along.
公共汽车司机让他们往里走走。
[即学即用]
1.有时金钱可以让人疯狂，甚至毁掉他们。
Sometimes money can________________and even kill them.
2.The_______(drive) sits at the front of the bus.
答案：1.drive people crazy 2.driver
9.What do the local people do with it 当地人如何处理它
[用法讲解] do with为动词短语，表示处理，应对或解决某种问题或情况，常与疑问词what连用；其同义词组为deal with,deal with与疑问词how连用。
Eg: How are you going to deal with these books
= What are you going to do with these books
你打算怎么处理这些书
[即学即用]
我不知道如何处理这辆车
I don't know what to__________ the car.
答案：do with
10.I'm curious about the possible reasons. 我对可能的原因很好奇。
[用法讲解] curious为形容词，译为"好奇的",在句中常作定语和表语。
Eg: She is a curious child, always asking questions.
她是个好奇的孩子，总是问个不停。
Babies are curious about everything around them.
宝宝对周围的一切都很好奇。
[常见搭配] be curious about... 对...感到 好奇的
be curious to do sth. 很想做某事
be curious that从句 奇怪的是...
Eg: I'm curious about your plans for the future.
我对你未来的计划感到好奇。
He was curious to know the result of the exam.
他很想指导考试的结果。
It's curious that he didn't show up for the meeting.
奇怪的是他没有出席会议。
[派生词] curiosity为不可数名词，译为"好奇心".
Eg: Her curiosity about the world never ceases.
她对世界的好奇心从未停止。
[即学即用]
I'm________(curiosity) about your opinion on this matter.
答案：curious
21世纪教育网(www.21cnjy.com)

展开更多......

收起↑