Unit 6 When was it invented? 重难点知识梳理 2024-2025学年人教版英语九年级全册

Unit 6 When was it invented
Section A
重点单词
1. electric( adj. )电的;带电的- n.→electricity 电；电能
◇electric guitar 电吉他
2. pleasure(n. )高兴;愉快
adj. pleasant 令人愉快的
adj.→pleased 满意的;高兴的
◇With pleasure! 很乐意!
3. accident(n. ) 事故- adj.→accidental意外的；偶然的◇by accident 偶然;意外地
4. rule(v./n. )统治;规则-n.→ruler 统治者;支配者
5. national ( adj. )国家的;民族的. n.→ nation民族；国家
◇National Day 国庆节
6. doubt(n.&v.)疑惑;疑问;怀疑- pl.→doubts
◇without doubt 毫无疑问;的确
7. fridge(n. )冰箱 同义词→refrigerator
8. low( adj. )低的;矮的 反义词→high 高的
9. translate(v. ) 翻译◇translate… into… 把……翻译成……
10. sudden( adj. )突然(的) adv.→suddenly突然地◇all of a sudden 突然;猛地
11. music(n. )音乐- dj.→musical 音乐的；有音乐天赋的
12. daily( adj. )每日的;日常的同义词→everyday
daily life 日常生活
13. popular( adj. )受欢迎的-—→popularity 受欢迎；普及
短语归纳 彩色为重点短语
1. be invented by… 被……发明
2. be used for doing sth./ be used to do sth.被用于做某事
3. shoes with special heels 带有特殊鞋跟的鞋
4. in our daily lives 在我们的日常生活中
5. the style of…… ……的款式
6. it is said that… 据说……
7. over an open fire 在篝火上
8. some time 一段时间
9. it is believed that… 据(人们)认为……
10. take place 发生;出现
11. the popularity of. .. ……的普及
重点句子
1. When was it invented
它是何时被发明的
2. Who was it invented by
它是由谁发明的
3. They' re used for seeing in the dark.
它们用来在黑暗中看路。
4. It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink.
据说有一位叫作神农的中国统治者最早发现了茶可以饮用。
5. Even though many people now know about tea culture, the Chinese are without doubt the ones who best understand the nature of tea.
虽然现在很多人了解茶文化，但毫无疑问的是，中国人才是最懂茶道的人。
重难点讲练
重难点① pleasure 的固定搭配
—— Can you help me think of an invention (P4 )
一你能帮我想个发明吗
—— With pleasure!
—很乐意！
点拨
pleasure作名词，意为“高兴；愉快”，它是由动词 please 派生出的名词，它的两个同根形容词分别是 pleasant 和 pleased。pleasure 的两种固定搭配如下：
例1 — Would you please give me a hand and take the bookcase upstairs
—你能帮我一把，把书柜搬到楼上吗
—— With pleasure.
——愿意为你效劳。
例2 —— Thank you for cleaning up the classroom, Bill.
— Bill,感谢你打扫教室。
—— My pleasure.
—不客气。
练1
1.[2022·无锡改编] Jerry studied many languages simply for ( pleasant).
2.[2022·绥化]—谢谢你和我一起分享蛋糕。
— Thank you for sharing the cake with .
—不客气。
重难点 It is said that... 句型
It is said that a Chinese ruler called Shen Nong was the first to discover tea as a drink. ( P )
据说有一位叫作神农的中国统治者最早发现了茶可以饮用。
点拨
It is said that…意为“据说……;人们说……”,属于“ It is+动词的过去分词+ that 从句”结构,其中 it 是形式主语，真正的主语是 that 引导的从句， that 可以省略。
【归纳】“ It+ be+动词的过去分词+ that 从句”结构
例句 It's reported that Harbin 2025 Asian Winter Games will be held in February, 2025.
据报道，哈尔滨 2025 年冬季亚运会将于2025 年2 月举行。
练2
1.[2022·西藏] It is ( say) that nationalID cards in China will soon go digital(电子的) in the future.
2.众所周知，苏州是世界上最美的城市之一。(汉译英)
重难点 辨析 take place 与 happen
The tea trade from China to Western countries took place in the 19th century. (P )
从中国到西方国家的茶叶贸易出现在19世纪。
点拨
take place表示“发生;举行;举办”,为不及物动词短语，一般指非偶然性事件的发生，即事件的发生有某种原因或事先的安排，不能用于被动语态。
【辨析】 take place/ happen
词汇 不同点 相同点
take place 指有计划、有安 排的发生 ①均不能用于被动语态，主语通常是物或事件 ②均为短暂性动 词(短语)，不能 与表示一段时间 的状语连用
happen 用于表示偶然发生的、没有预料的事情
sth. happen(s/ ed) to sb.某人发生某事
例1 The next meeting will take place on Thursday.
下次会议将在星期四举行。
例 2 Traffic accidents often happen in the rush hour.
交通事故经常发生在交通高峰期。
练3
1.用 happen 或 take place 的适当形式填空。
(1) The 19th Asian Games in Hangzhou in 2023.
(2) Nobody can predict what in the future. So enjoy your life.
2.[2022·宿迁改编]珍妮，你知道运动会什么时候举行吗
Jenny, do you know
重难点 doubt的用法
Even though many people now know about tea culture, the Chinese are without doubt the ones who best understand the nature of tea. ( P )
虽然现在很多人了解茶文化，但毫无疑问的是，中国人才是最懂茶道的人。
点拨
doubt 作名词,意为“疑惑;疑问”; doubt 作动词,意为“怀疑”，其用法如下：
例 1 I don't doubt that she will come back tomorrow.
我毫不怀疑她明天会回来。
例 2 I doubt if/ whether she will come back tomorrow.
我怀疑她明天是否回来。
例3 Without doubt, your choice is the best.
= There is no doubt that your choice is the best.
毫无疑问，你的选择是最好的。
练4
1. There is no doubt phones play an important role in our modern life.
2. I doubt she has told the truth to the police.
3.毫无疑问，中国现在更加擅长制造高科技产品。
, China is much better at making high- technology products now.
重难点 smell的用法
It produced a nice smell so he tasted the brown water. (P )
它发出一种很好闻的气味，所以他就品尝了这褐色的水。
点拨1
smell作名词时，意为“气味”，可以作可数名词，也可以作不可数名词。
例 1 The smells from the kitchen filled the room.
满屋子都是从厨房飘来的气味。
例2 The cream has no smell.
这种奶油无气味。
点拨2
smell 可以作动词，有如下用法：
①作及物动词，意为“闻(到)；嗅(到)”，其后可以直接跟宾语
②作连系动词，意为“闻起来”，属于感官动词，其后要跟形容词作表语
例 1 Smell this flower and tell me if you like it.
闻闻这朵花，告诉我你是否喜欢它。
例2 This flower smells nice.
这朵花闻起来很香。
例句 The cookies taste delicious.
这些饼干尝起来很美味。
练5
1.[2023·辽宁期末]雨后空气闻起来很清新，让我们出去散步吧。
The air after the rain. Let's go out to have a walk.
2.这朵花散发着一种好闻的味道。
The flower gives off a really .
Section B
重点单词
1. salt(n. )盐- adj. →salty 咸的
2. divide(v. )分开;分散-n.→division 分开
◇divide… into 把……分开
3. hero(n. )英雄;男主角- pl. →heroes
◇basketball heroes 篮球英雄
4. professional ( adj.)职业的;专业的-—n.→profession职业
professional basketball groups 职业篮球团体
重点短语
1. by mistake 错误地;无意中
2. stop sb.( from) doing sth. 阻止某人做某事
3. the popularity of basketball 篮球的普及
4. dream of doing sth. 梦想做某事
5. look up to 钦佩;仰慕
6. not only… but also… 不但……而且……
7. the number of. .. ……的数量
8. encourage sb. to do sth. 鼓励某人做某事
9. achieve one's dream 实现某人的梦想
e up with 提出;想出
重点句子
1. At the same time, they need to stop the competing team from getting the ball into their own basket.
同时，他们需要阻止对手把球投进他们自己的篮筐。
2. Today, the popularity of basketball has risen around the world, with many young people dreaming of becoming famous players.
如今，许多年轻人都梦想成为著名的篮球运动员，篮球在世界各地越来越普及。
3. Basketball has not only become a popular sport to play, but it has also become a popular sport to watch.
篮球运动不仅已经成为一种受欢迎的娱乐运动，而且已经成为一种受欢迎的观赏运动。
4. The number of foreign players, including Chinese players, in the NBA has increased.
NBA 中的外国球员数量有所增加，其中也包括中国球员。
5. These stars encourage young people to work hard to achieve their dreams.
这些明星鼓励年轻人努力拼搏来实现他们的梦想。
重难点讲练
重难点① stop sb. from doing sth.的用法
At the same time, they need to stop the competing team from getting the ball into their own basket. (P )
同时，他们需要阻止对方把球投到他们自己的篮筐。
点拨
stop sb. from doing sth. 意为“阻止某人做某事”,相当于 keep/ prevent sb. from doing sth.。被动结构为 be stopped from doing sth.被阻止做某事。
【注意】①keep短语中的 from不可省略。
②在被动语态里，这三个短语中的 from 都不能省略。
【归纳】动词 stop 的用法
练1
1. New technology is used ( stop) the students from ( cheat) in the exam.
2. He stops ( read) because his mom asks him to stop ( have) dinner.
重难点 辨析 the number of 与 a number of The number of foreign players, including Chinese players, in the NBA has increased.(P46)
NBA 中的外国球员数量有所增加，其中也包括中国球员。
【辨析】 the number of/a number of
短语 不同点 相同点
the number of ①意为“……的数量/数目” ②作主语时，谓语动词用单数 形式 后面接可数名词复数
a number of ①意为“许多；若干” ②作主语时，谓语动词用复数形式
例句 The number of the teachers in our school is 80 and a number of them are women teachers.
我们学校的老师数量是80，其中许多是女老师。
【注意】①表示数量大或小时,用 large 或 small。
②a number of中的 number 前面可用 large, small, great 等词修饰,表示程度。
练2
1. The number of students ( be ) twenty in the painting club.
2. The number of books in the bookshop about 10,000 and a number of them about science.( be)
3.我的许多朋友认为我应该休假。
my friends think I should take a holiday.
重难点 not only... but also...的用法
Basketball has not only become a popular sport to play, but it has also become a popular sport to watch. (P46)
篮球运动不仅已经成为一种受欢迎的娱乐运动，而且已经成为一种受欢迎的观赏运动。
点拨
not only... but also...意为“不但……而且……”,是并列连词，连接两个相同的成分或句子，其用法如下：
练3
1. Not only Peter but also his father ( be) crazy about the basketball match.
2.—— What do you think of the plan
—— It's great! Not only I but also my classmates ( like) it very much.
3.[2023·肇源县期中] Not only he but also his friends ( play) football after school.
4. Not only the students but also the teacher ( read) English every day.
5.[2023·潍坊改编] For Chinese people, tea is not only a kind of drink , an art and a culture.
重难点 look up to 的用法
Many young people look up to these basketball heroes and want to become like them. ( P )
很多年轻人钦佩这些篮球英雄，并且想成为像他们一样的人。
练4
1. The great scientists ( look) up to by people now.
2.[ 2023 · 滨州改编] Wang Yaping is a great woman who can stick to her dreams. I really (仰慕) her.