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Unit 4 The Wonders of Nature 课文解析二
1.On the highest place on earth you will feel like you are able to touch the sky.
在地球上最高的地方，你会感觉自己仿佛触摸到天空。
[用法讲解] able为形容词，译为"能够"，可以在句中作表语或定语，be动词随主语的人称和数变化而变化，可以用于各种时态。
Eg: He is able to speak English.
他会说英语。
He is an able manage.
他是位有能力的经理。
After the training, I will be able to cook Italian food.
经过训练后，我将能够烹饪意大利菜。
[常见搭配]be able to do sth.能够做某事
Eg: Since his accident, he hasn't been able to leave the house.
自出事之后，他一直未能离开家。
[派生词] ability为可数名词，译为"能力"，其复数形式为abilities.
[常见搭配] have the ability to do sth. 有能力做某事
Eg: He has the ability to learn quickly.
他有快速的学习能力。
She has a natural ability to learn languages.
她有天生的语言学习能力。
[易混辨析] be able to与can区别：
be able to 表示能力，尤指经过努力而获得的能力，用于多种时态；
can译为"能"，无人称和数的变化；表示自身具备的能力，只有can和could两种形式。
Eg: After hard study, he was able to pass difficult exam.
通过努力学习，他最终能通过那个困难的考试。
He couldn't answer the question.
他不能回答出那个问题。
[即学即用]
他应该能够过上完全正常的生活。
He should_______________lead a perfectly normal life.
答案：be able to
2.People said it was so high that even birds could not reach it.
人们说它太高了，就连飞鸟都到不了那里。
[用法讲解]结构"so+形容词+that从句"译为"如此...以至于..."；类似结构为"such(+a/an)+形容词+名词+that从句".
Eg: He is so cute that everyone likes him.
= He is such a cute boy that everyone likes him.
他如此可爱以至于每个人都喜欢他。
注意：当名词有many,much,few,little等修饰时，只能用"so...that"结构。
Eg:There was so much food that we couldn't eat it all.
有如此多的食物以至于我们吃不完。
[即学即用]
( )He speaks______fast______I can't follow him.
A.so;that B.such;that
C. so; as to D. enough; that
答案：A
3.Liu allowed his teammates to step on his shoulders.刘连满让队友们踩在他的肩膀上。
[用法讲解]allow为动词，译为"允许，容许，准许".
[常见搭配] be allowed to do sth. 被允许做某事
allow sb. to do sth. 允许某人做某事
allow doing sth. 允许做某事
allow for 考虑到，体谅
Eg: She is allowed to watch TV after school.
她放学后被允许看电视。
Please allow me to carry your bag.
请允许我替你拿包。
They allowed smoking in this room only.
他们只允许在这间屋子里吸烟。
We should allow for every possible delay.
我们考虑到任何可能的延误。
step为可数名词，其复数形式为steps，译为"台阶，梯级，脚步声，步骤";step也可为动词，译为"踩，迈步".
Eg: The president took immediate steps to stop the fighting.
总统立即采取措施阻止战斗。
He took a step back and held the door open.
他后退一步，把门撑开着。
You're stepping on my foot.
你踩到我的脚了。
[常见搭配] take a step 采取措施
step by step 逐步地
step back 退后一步
Eg: Won't you take a step into the lion's den
你不准备采取措施走入狮子巢穴吗
The project was completed step by step.
项目一步步地完成。
He stepped back to avoid the collision.
他后退一步以避免碰撞。
[即学即用]
( )1. Passengers are not allowed________ on the plane.
A.smoke B.smoking C.to smoke D. to smoking
2.There are several ________ (step) on the staircase.
答案：1.C 2.steps
4.In2020, a third team returned to Qomolangma to measure its height8,848.86 metres.
在2020年，第三支队伍重返珠穆朗玛峰，测量其高度为8848.86米。
[用法讲解] return为动词，译为"返回，回来";return还可为名词，译为"返回，回来，恢复".
Eg: He will return home tomorrow.
我明天会回家。
The patient is slowly returning to health.
病人正在逐渐恢复健康。
The return of the investment was very high.
这项投资的回报率很高。
[常见搭配] return sth.to sb./ sth. 把某物归还给某人/某处
return to+地点=go back to地点 回到某地
in return 作为回报(强调一种行为或态度的回应)
in return for... 作为对...的回报(强调一种明确的，具体的交换关系)
Eg: I returned the book to the library.
我把书还给了图书馆。
They will return to the office after the meeting.
会议结束后，他们会返回办公室。
She helped me move, and I cooked dinner in return.
她帮我搬东西，作为回报我做晚饭。
He gave me a gift in return for my help.
他给了我一份礼物以报答我的帮助。
[即学即用]
( )I don't know when we will Beijing.
A.return back B.return to
C.return back to D.return
答案：B
5.How often do you exercise 你多久锻炼一次
[易混辨析] how often, how long 和 how soon区别：
how long"多长时间"用for...或since...引导时间状语回答
how soon"还要多长时间"用于将来时，用"in+一段时间"回答
how often"多久一次"提问动作发生的频率
Eg: -- How long have you been here
-- For two days.
你在这多久了 两天了。
-- How soon will you stay there
-- In two days.
你要在这待多久 两天
-- How often do you visit your parents
-- Twice a week.
你多久去看一次你的父母 一周两次。
[即学即用]
( )-- ______have you been there
-- For two years.
A.How long B. How often
C.How soon D.How far
答案：A
6.It takes up an area of 345,000 square kilometres and includes over 900 islands and white sand beaches. 它占地34.5万平方公里，包含900多个岛屿和白色沙滩。
[常见用法] take up为动词短语，译为"开始从事，开始学习，占据，接受，继续"等。
Eg: She took up painting last year and has improved a lot.
她去年开始学画画，进步很大。
The table takes up too much space in the room.
这张桌子在房间里占太多地方了。
He took up the challenge and won the game.
他接受了挑战并赢得了比赛。
Let's take up the conversation where we left off yesterday.
我们接着昨天中断的地方继续聊吧。
[知识拓展] take down 拆除，记录
take after (外貌或行为)像(父母)
take away 拿走，拿开
take off 脱掉，起飞
take in 吸收
[即学即用]
会议占了我上午大部分时间。
Meetings _____________most of my mornings.
答案：take up
7.It is 4,340 square kilometres in size. 他的面积为4340平方公里。
[用法讲解] size在此处为名词，译为"尺寸，大小"，也可译为"规模";size还可为动词，译为"按大小排列，比较".
Eg: What size shoes do you wear
你穿多大号的鞋
The size of the company has doubled in the past five years.
这家公司的规模在过去五年里翻了一倍。
Can you size this picture to fit the frame
你能调整这张图片的大小以适应这个相框吗
[即学即用]
The__________(尺码) of the room surprised me.
答案：size
8.It covers 5.5 million square kilometres.
他占地550平方公里。
[用法讲解] cover作动词，还可译为"覆盖，涉及，采访，代替，支付，走完一段路程";cover也可作名词，译为"遮盖物，封皮，避难所".
Eg: The table is covered with a white cloth.
桌子上覆盖着一块白布。
This book covers a wide range of topics.
这本书涵盖了广泛的主题。
The newspaper covered the event in detail.
报纸详细报道了这一事件。
He covered for me when I was away.
当我离开时，他代替了我的工作。
The insurance covers the cost of the repair.
保险足以支付修理费用。
The hike covered 10 miles.
这次徒步旅行走了10英里。
The book has a beautiful cover.
这本书有一个漂亮的封面。
The box has a plastic cover.
这个盒子有一个塑料盖子。
The forest provided a natural cover for the animals.
森林为动物们提供了一个天然的避难所。
[常见搭配] from cover to cover 从头到尾阅读
cover...with ... 用...盖...
be covered with ... 被覆盖
Eg: I read the novel from cover to cover in one sitting.
我一口气从头到尾读完了这本小说。
She covered her eyes with her hands.
她用手盖住自己的眼睛。
The ground is covered with snow.
地面被大雪覆盖。
[即学即用]
( ) -- May I have a talk with one of your sports reporters
-- Sorry, but all of them are out to_____the main events of the day.
A.get B.find C.cover D.search
答案：C
21世纪教育网(www.21cnjy.com)(共27张PPT)
Unit 4 The Wonders of Nature
八年级
人教版2024
下
课文解析二
1.On the highest place on earth you will feel like you are able to touch the sky.
在地球上最高的地方，你会感觉自己仿佛触摸到天空。
[用法讲解] able为形容词，译为"能够"，可以在句中作表语或定语，be动词随主语的人称和数变化而变化，可以用于各种时态。
Eg: He is able to speak English.
他会说英语。
He is an able manage.
他是位有能力的经理。
After the training, I will be able to cook Italian food.
经过训练后，我将能够烹饪意大利菜。
[常见搭配]be able to do sth.能够做某事
Eg: Since his accident, he hasn't been able to leave the house.
自出事之后，他一直未能离开家。
[派生词] ability为可数名词，译为"能力"，其复数形式为abilities.
[常见搭配]have the ability to do sth. 有能力做某事
Eg: He has the ability to learn quickly.
他有快速的学习能力。
She has a natural ability to learn languages.
她有天生的语言学习能力。
[易混辨析] be able to与can区别：
be able to 表示能力，尤指经过努力而获得的能力，用于多种时态；
can译为"能"，无人称和数的变化；表示自身具备的能力，只有can和could两种形式。
Eg: After hard study, he was able to pass difficult exam.
通过努力学习，他最终能通过那个困难的考试。
He couldn't answer the question.
他不能回答出那个问题。
[即学即用]
他应该能够过上完全正常的生活。
He should_______________lead a perfectly normal life.
答案：
be able to
2.People said it was so high that even birds could not reach it.
人们说它太高了，就连飞鸟都到不了那里。
[用法讲解]结构"so+形容词+that从句"译为"如此...以至于..."；类似结构为"such(+a/an)+形容词+名词+that从句".
Eg: He is so cute that everyone likes him.
= He is such a cute boy that everyone likes him.
他如此可爱以至于每个人都喜欢他。
注意：当名词有many,much,few,little等修饰时，只能用"so...that"结构。
Eg:There was so much food that we couldn't eat it all.
有如此多的食物以至于我们吃不完。
[即学即用]
( )He speaks______fast______I can't follow him.
A.so;that B.such;that
C. so; as to D. enough; that
A
3.Liu allowed his teammates to step on his shoulders.刘连满让队友们踩在他的肩膀上。
[用法讲解]allow为动词，译为"允许，容许，准许".
[常见搭配]be allowed to do sth.被允许做某事
allow sb. to do sth.允许某人做某事
allow doing sth.允许做某事
allow for考虑到，体谅
Eg: She is allowed to watch TV after school.
她放学后被允许看电视。
Please allow me to carry your bag.
请允许我替你拿包。
They allowed smoking in this room only.
他们只允许在这间屋子里吸烟。
We should allow for every possible delay.
我们考虑到任何可能的延误。
step为可数名词，其复数形式为steps，译为"台阶，梯级，脚步声，步骤";step也可为动词，译为"踩，迈步".
Eg: The president took immediate steps to stop the fighting.
总统立即采取措施阻止战斗。
He took a step back and held the door open.
他后退一步，把门撑开着。
You're stepping on my foot.
你踩到我的脚了。
[常见搭配]take a step采取措施
step by step逐步地
step back退后一步
Eg: Won't you take a step into the lion's den
你不准备采取措施走入狮子巢穴吗
The project was completed step by step.
项目一步步地完成。
He stepped back to avoid the collision.
他后退一步以避免碰撞。
[即学即用]
( )1. Passengers are not allowed________ on the plane.
A.smoke B.smokingC.to smoke D. to smoking
2.There are several ________ (step) on the staircase.
C
steps
4.In2020, a third team returned to Qomolangma to measure its height8,848.86 metres.
在2020年，第三支队伍重返珠穆朗玛峰，测量其高度为8848.86米。
[用法讲解]return为动词，译为"返回，回来";return还可为名词，译为"返回，回来，恢复".
Eg: He will return home tomorrow.
我明天会回家。
The patient is slowly returning to health.
病人正在逐渐恢复健康。
The return of the investment was very high.
这项投资的回报率很高。
[常见搭配]return sth.to sb./ sth.把某物归还给某人/某处
return to+地点=go back to地点回到某地
in return作为回报(强调一种行为或态度的回应)
in return for... 作为对...的回报(强调一种明确的，具体的交换关系)
Eg: I returned the book to the library.
我把书还给了图书馆。
They will return to the office after the meeting.
会议结束后，他们会返回办公室。
Shehelped me move, and I cooked dinner in return.
她帮我搬东西，作为回报我做晚饭。
He gave me a gift in return for my help.
他给了我一份礼物以报答我的帮助。
[即学即用]
( )I don't know when we will Beijing.
A.return backB.return to
C.return back toD.return
B
5.How often do you exercise 你多久锻炼一次
[易混辨析]how often, how long 和 how soon区别：
how long"多长时间"用for...或since...引导时间状语回答
how soon"还要多长时间"用于将来时，用"in+一段时间"回答
how often"多久一次"提问动作发生的频率
Eg: -- How long have you been here
-- For two days.
你在这多久了 两天了。
-- How soon will you stay there
-- In two days.
你要在这待多久 两天
-- How often do you visit your parents
-- Twice a week.
你多久去看一次你的父母 一周两次。
[即学即用]
( )-- ______have you been there
-- For two years.
A.How long B. How often C.How soon D.How far
A
6.It takes up an area of 345,000 square kilometres and includes over 900 islands and white sand beaches.它占地34.5万平方公里，包含900多个岛屿和白色沙滩。
[常见用法]take up为动词短语，译为"开始从事，开始学习，占据，接受，继续"等。
Eg: She took up painting last year and has improved a lot.
她去年开始学画画，进步很大。
The table takes up too much space in the room.
这张桌子在房间里占太多地方了。
He took up the challenge and won the game.
他接受了挑战并赢得了比赛。
Let's take up the conversation where we left off yesterday.
我们接着昨天中断的地方继续聊吧。
[知识拓展]take down拆除，记录
take after(外貌或行为)像(父母)
take away拿走，拿开
take off脱掉，起飞
take in吸收
[即学即用]
会议占了我上午大部分时间。
Meetings_____________most of my mornings.
take up
7.It is 4,340 square kilometres in size.他的面积为4340平方公里。
[用法讲解] size在此处为名词，译为"尺寸，大小"，也可译为"规模";size还可为动词，译为"按大小排列，比较".
Eg: What size shoes do you wear
你穿多大号的鞋
The size of the company has doubled in the past five years.
这家公司的规模在过去五年里翻了一倍。
Can you size this picture to fit the frame
你能调整这张图片的大小以适应这个相框吗
[即学即用]
The__________(尺码) of the room surprised me.
size
8.It covers 5.5 million square kilometres.
他占地550平方公里。
[用法讲解]cover作动词，还可译为"覆盖，涉及，采访，代替，支付，走完一段路程";cover也可作名词，译为"遮盖物，封皮，避难所".
Eg: The table is covered with a white cloth.
桌子上覆盖着一块白布。
This book covers a wide range of topics.
这本书涵盖了广泛的主题。
The newspaper covered the event in detail.
报纸详细报道了这一事件。
He covered for me when I was away.
当我离开时，他代替了我的工作。
The insurance covers the cost of the repair.
保险足以支付修理费用。
The hike covered 10 miles.
这次徒步旅行走了10英里。
The book has a beautiful cover.
这本书有一个漂亮的封面。
The box has a plastic cover.
这个盒子有一个塑料盖子。
The forest provided a natural cover for the animals.
森林为动物们提供了一个天然的避难所。
[常见搭配]from cover to cover从头到尾阅读
cover...with ...用...盖...
be covered with ...被覆盖
Eg: I read the novel from cover to cover in one sitting.
我一口气从头到尾读完了这本小说。
She covered her eyes with her hands.
她用手盖住自己的眼睛。
The ground is covered with snow.
地面被大雪覆盖。
[即学即用]
( ) -- May I have a talk with one of your sports reporters
-- Sorry, but all of them are out to_____the main events of the day.
A.getB.findC.cover D.search
C
Thanks!
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