| Unit 9 When was it invented? Self-check & Reading |
主编：黄冈中学英语集体备课组
Step 1 The introduction to the text
Thanks to bikes, it is more convenient for us to go around the city. With the help of cameras, we can take a lot of beautiful photos. Umbrellas can protect us from rain or rainy days. With the help of these inventions, our life is more wonderful and colorful. Thanks to James Naismith, we can play basketball in our free time. James Naismith invented basketball for his students over a hundred years ago. Basketball became an Olympic event in 1936. Playing basketball can help us keep healthy. Now it is a popular sport around the world. Many people play basketball or watch basketball games on TV.
Step 2 Language points
I．Key words
1．active adj. 爱运动的；积极的、活跃的
Jim’s grandma is 70 years old, but she is very active.
In the English class Helen is the most active student.
拓展：
（1）take an active part in 积极参加
They take an active part in the sports meet.
（2）inactive adj. 不积极的
2．create v. 创造；产生；发明
A good artist should create beautiful things.
The government plans to create more jobs for college students.
Driving cars can create air pollution.（可以换成cause）
This program was created by Helen.（可以换成invented）
链接：creative adj. 有创造性的
e.g.creative designer
3．knock v. 敲；击；碰撞
Who is knocking at the door？（at可以换成on）
Mr. Li knocked his son on the head.
I knocked my knee against the chair by accident.
4．divide v. 分开；划分
Can you divide the pear into five pieces？
Mr. Wang divides the class into three groups.
5．below
（1）prep.（地方或者位置）在……之下、低于；（程度或数量）在……以下
You can’t write the answer below the line.
From the top of the mountain, we can see a small village below us.
拓展：当below表示“位置在……之下”，既可以表示正下方也可以表示斜下方。当它表示正下方时，可以和under替换。
The lowest temperature is 4 degrees below zero.
People below 18 aren’t allowed to drink wine.
拓展：当below表示“年龄或价格少于”时，可以和under替换。
（2）adv. 在下面；在下方
Please look at the picture below.
6．towards prep. 向着；朝着
The boy is running towards the post office.
I noticed him drive towards the airport.
拓展：to/towards的区别是
towards只表示朝着某一个方向。而to表示到达某地方。
Tom is walking to the library. （图书馆是汤姆要去的地方）
7．develop v. 发展；开发；培养
develop interests in…
develop a habit
In recent years my hometown has developed rapidly.
His small shop is developed into a big supermarket.
Scientists are trying to develop more kinds of energy.
拓展：developed 发达的
developing 发展中的
e.g.developed country
developing country
8．rise v. （rose, risen）（日、月、星等）上升；（水位）上涨；（价格、温度和量等）增加
The sun rises in the east.
The water in the river rose because of the heavy rain.
The temperature is rising on the earth.
The price of bananas rose by 1 yuan.
拓展：区分rise和raise以及increase
（1）raise 意思是“举起，抬起；提高；饲养；抚育；提高（数量）”。
raise your hand/your head/your voice/a cat/a child/the rent
（2）increase常表示数量增加。
The population of this city has increased to 7 million.
Ⅱ．key phrases
1．knock into 与……相撞
His car knocked into a bus.
The little girl often knocks into the desk while playing in the room.
2．fall down 摔倒；倒下；倒塌
It is easy to fall down on wet roads.
When my baby began to walk, she often fell down/over.
All the books on the desk fell down.
拓展：由fall 构成的短语还有：
fall into 掉进……
fall into the river
fall off ……从掉下
fall off the bike
3．the number of表示“……的数量”，当它作主语时，谓语用单数形式。
The number of the workers in the factory is 400.
The number of the students in our school is becoming larger and larger.
拓展：a number of 表示“许多”，后面接可数名词的复数形式。当它作主语时，谓语用复数形式。
The number of the teachers in our school is 500. A number of them are from China.
Ⅲ．key sentences
Since then, the popularity of basketball has risen worldwide.
自那时起，在全世界喜欢篮球运动的人越来越多。
Q：句子中的since then能否换成from then on？
A：（1）不能，因为如果用from then on, 句子的谓语动词就该用一般过去时。since表示某动作或者状态从过去延续到现在，它常用现在完成时态连用。since后面接过去的时间点或者从句。
Since ten years ago I have lived in this city.
Since I moved to Beijing, I have worked in this school.
（2）since＋时间点可以和for＋时间段进行替换。例1可以换成I have lived in this city for ten years.
（3）如果句中的时间状语是since接的短语或引导的从句，那么谓语动词必须是延续性的。
拓展：
判断现在完成时的关键词有：already, just, never, ever, before, recently, so far, these days, in the past＋时间段, over the years, once/twice/three times…, for＋时间段
Ⅳ．Grammar the passive voice 被动语态 （Ⅱ）
被动语态和主动语态一样有各种时态。大家看看下面四种基本时态的被动语态。
1．一般现在时的被动语态构成：is/am/are＋及物动词的过去分词
I am not allowed to go swimming today.
Roads are built by workers every year.
2．一般过去时的被动语态构成：was/were＋及物动词的过去分词
The bridge was completed last year.
Many trees were planted on the hill over there by us.
Was the tree planted last year？
Were the cars produced in China？
When was Bird’s Nest built？
Whom were the clothes washed by？
What was Beijing called two hundred years ago？
How were the crops carried to the north？
3．一般将来时的被动语态构成：will＋ be＋及物动词的过去分词
A new library will be built in our school.
The cat will be sent to my uncle’s home.
4．现在完成时的被动语态构成：has / have＋been＋及物动词的过去分词
Lu Xun’s works have been translated into many languages.
Your lost dog has been found by the police.
Step 3．Consolidation（真题演练）
1．—（南京）Can you sing the song on the radio？
—Of course, I can. It _______ many times on the radio.
A．taught B．has taught
C．is taught D．has been taught
答案：D
2．—（深圳）The number of the students in our class _______ fifty-six.
—How many of _______ are girls？
A．is; them B．are; them
C．is; they D．are; they
答案：A
高一全科点睛班课程 高一全科强化班课程 高二全科全年强化班 高三全科强化班课程 初一全科强化班课程 初一全科点睛班课程 初二全科强化班视频 初二全科点睛班课程 初三全科强化班 全科巨无霸同步提高课程 小学全年全科强化班
- 返回 -
