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新人教版九年级上册
Unit 5 Power of Ideas Section A 要点全解
1. Super See is a pair of sunglasses designed to protect people’s eyes. 超级智能眼镜是一副旨在保护人们眼睛的墨镜。
a pair of 一双；一对；一副
常用于描述成对出现的物品，如 shoes(鞋)、trousers(裤子)、socks(袜子)、gloves(手套)、chopsticks(筷子)等。
I need to buy a pair of gloves because my hands get cold in winter. 我需要买一副手套，因为在冬天我的手很冷。
Chinese people usually use a pair of chopsticks to have meals. 中国人通常用一双筷子吃饭。
注意：…pair(s) of…作主语时，谓语动词的数应与 pair(s)保持一致。
A pair of shoes is on the floor.
一双鞋在地板上。
These pairs of trousers are blue.
这几条裤子是蓝色的。
2. A button on Smart Cook should be pressed before cooking. 烹饪前应按下智能厨师上的一个按钮。
cooking〔名词〕烹饪；做饭
I am interested in cooking and I often watch cooking videos online.
我对烹饪感兴趣，经常在网上看烹饪视频。
拓展 cook
①〔动词〕烹饪；做饭
My father cooks dinner for us every evening.
我爸爸每天晚上为我们做晚饭。
②〔名词〕厨师
His dream is to become a great cook in a five star hotel. 他的梦想是成为五星级酒店的一名优秀厨师。
3. produce 生产
produce〔动词〕生产；繁育
This factory produces over 1,000 cars every month.
这家工厂每月生产超过1 000辆汽车。
Our cat produced kittens last week.
我们的猫上周生小猫咪了。
真题链接
The engineer uses his knowledge to help factories p____(生产) better cars.
解析：produce作为动词，意为“生产”；help…do sth“帮助……做某事”，是固定搭配，此处应用动词原形。句意：这位工程师利用自己的知识帮助工厂生产出更好的汽车。
答案：produce
4. Finally, the object is produced by building up plastic. 最后，这个物体是通过堆积塑料生产出来的。
plastic
①〔不可数名词〕塑料
This toy is made of plastic, so it’s very light. 这个玩具是塑料做的，所以很轻。
②〔形容词〕塑料的
This bottle is plastic, not glass.
这个瓶子是塑料的，不是玻璃的。
We should use fewer plastic bags to protect the environment.
我们应该少用塑料袋来保护环境。
5. What invention do you like the most 你最喜欢什么发明？
What…do you like the most 同义：What…do you like best “你最喜欢什么……？”
与“What…do you like the most ”的答语常为“I like…the most.”，而“What…do you like best ”的答语常为“I like…best.”。
— What subject do you like the most
你最喜欢什么科目？
— I like English the most.
= I like English best. 我最喜欢英语。
6. What do you think is the most useful invention of all time, Peter 彼得，你认为有史以来最有用的发明是什么？
do you think 作插入语
do you think意为“你认为……”，常用在特殊疑问句中作插入语，句子结构为“疑问词 + do you think + 陈述语序？”。
What do you think is the most important invention in Chinese history
你认为中国历史上最重要的发明是什么？
Where do you think the boy is from
你认为这个男孩来自哪里？
7. It has to be the radio. 那一定是无线电。
have to be 一定是……
用于对现在情况的肯定推测，语气强烈，相当于must be，但更口语化。have to be的第三人称单数形式为has to be。
The light is on. My parents have to be at home now. 灯亮着，我父母现在一定在家。
This has to be the right way because I see the sign. 这一定是正确的路，因为我看到了标志。
8. Before the radio was invented, information travelled very slowly. 在无线电发明之前，信息传播非常慢。
invent〔动词〕发明；编造
Who invented the telephone 是谁发明了电话？
What excuse did he invent this time
他这次编造了什么借口？
拓展
① invention〔名词〕发明；创造
The four great inventions in ancient China have changed the world forever.
中国古代的四大发明永远地改变了世界。
② inventor〔名词〕发明家
Lu Ban was a great inventor in ancient China. He invented a lot of useful things.
鲁班是中国古代伟大的发明家，他发明了许多有用的东西。
真题链接
Complete the sentence with the correct form of the word given.
One of the most amazing ____(invent), I think it will change the world.
解析：我们可用“one of the + 形容词最高级 + 可数名词复数”解答此题。“one of the + 形容词最高级 + 可数名词复数”意为“最……的……之一”；ChatGPT为一项发明，故填名词的复数形式。
答案：inventions
9. It also had a big effect on music. 它对音乐也产生了巨大影响。
have an effect on 对……有影响，与have an influence on同义。
Watching too much TV has a bad effect on your eyes.
看太多电视对你的眼睛有不好的影响。
The weather has an effect/influence on people’s feelings. 天气会影响人们的情绪。
10. People all over the world are connected to each other through the internet. 全世界的人们通过互联网互相联系。
all over the world 全世界
此处用于名词后作后置定语，也常用于句或句末作地点状语。
同义短语：around the world
Chinese food, like Beijing roast duck, is enjoyed by people all over the world. 像北京烤鸭这样的中国美食受到全世界人们的喜爱。
All over the world/Around the world, people love pandas. 全世界的人们都喜欢熊猫。
11. It wasn’t supposed to make such a loud noise when the button was pressed to start the machine. 当按钮被按下启动机器时，它不应该发出那么大的噪声。
be supposed to do/be sth 应该做(某事)或是(某物)
表示按照规则、习惯或预期应该做某事或是某物，比should更强调“按规定/约定”。否定形式为be not supposed to do/be sth。
We are supposed to respect our elders, as it is a traditional virtue in China. 我们应该尊敬长辈，因为，这是中国的传统美德。
Students are not supposed to use phones in class. 学生不应该在课堂上使用手机。
12. It is believed that the world’s oldest wheel was found in Eastern Europe. 人们认为世界上最古老的轮子是在东欧被发现的。
It is believed that… 人们认为……
it作形式主语，真正的主语是that引导的从句，从句需用陈述语序。
It is believed that AI technology will change our learning ways. 人们认为人工智能技术将改变我们的学习方式。
拓展
① It is said that… 据说……
It is said that he will come to our school tomorrow. 据说他明天会来我们学校。
② It is reported that… 据报道……
It is reported that this book is very popular. 据报道，这本书很受欢迎。
③ It is hoped that… 人们希望……
It is hoped that everyone can live a happy life. 人们希望每个人都能过上幸福的生活。
13. The Qinghai Xizang Railway was completed in 2006. 青藏铁路于2006年竣工。
complete
①〔动词〕完成；结束
Please complete the sentences with the correct words. 请用正确的单词完成句子。
It took me two hours to complete my homework. 我花了两个小时完成作业。
②〔形容词〕完全的；彻底的；完整的
We are in complete agreement.
我们意见完全一致。
This is a complete story, not just a short part. 这是一个完整的故事，不只是简短的一部分。
14. In summer, the top layer of the frozen ground would melt and become too soft to build on, so piles were used to keep the ground hard. 夏季，冻土的表层会融化，变得太软而无法在上面建造，因此使用管桩来保持地面坚硬。
(1)frozen〔形容词〕冻硬的；冰封的
In winter, parts of the Yellow River can become frozen. 冬天，黄河的部分河段会结冰。
Frozen food is not always healthy.
冷冻食品并不总是健康的。
(2)melt〔动词〕(使)融化；逐渐消失
The snow melts quickly when the sun comes out. 太阳出来时雪融化得很快。
His anger slowly melted.
他的怒气慢慢平息了。
15. The lessons learnt and experience gained from building this railway will help (to) improve transport in other similar places in the world. 从修建这条铁路中汲取的经验教训将有助于改善世界上其他类似地区的交通。
gain〔动词〕获得；取得
By working hard, she gained her teacher’s trust. 凭借努力，她赢得了老师的信任。

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