Unit 6 When was it invented Section B 2a—Self Check 课件 (共28张PPT) 人教版九年级全一册

(共28张PPT)
Unit 6 When was it invented
The Fifth Period
Section B (2a—Self Check)
Lead-in
Do you like this sport Talk about with your partners about it.
2a
Do you like basketball Do you watch basketball
games How much do you know about this sport
Discuss the sport with your partner and share your
ideas with the class.
MIND-MAPPING
Changing the information you read into a mind map may help you remember it more easily.
Do You Know When Basketball Was Invented
Basketball is a much-loved and active sport that is enjoyed by many for fun and exercise. It is over 100 years old and is played by millions of people all over the world. It is believed that the first basketball game in history was played on December 21, 1891. Then in 1936 in Berlin, it became an event at the Olympics.
2b
Read the passage quickly. What is the main idea of each paragraph
Basketball was invented by a Canadian doctor named James Naismith, who was born in 1861. When he was a college teacher, he was asked to think of a game that could be played in the winter. Dr. Naismith created a game to be played inside on a hard floor. Dr. Naismith divided the men in his class into two teams and taught them to play his new game.Players on the same team must work together to get the ball in the other team’s basket. At the same time, they need to stop the competing team from getting the ball into their own basket.
Today, the popularity of basketball has risen around the world, with many young people dreaming of becoming famous players. In China, you can sometimes see people playing basketball in parks, schools and even factories. Basketball has not only become a popular sport to play, but it has also become a popular sport to watch. Although America’s NBA games are the most famous, the CBA games are becoming more popular in China.
The number of foreign players, including Chinese players, in the NBA has increased. There are also more and more foreign players in the CBA. Many young people look up to these basketball heroes and want to become like them. These stars encourage young people to work hard to achieve their dreams.
1.divide … into … 把……分成……
e.g. Let’s divide ourselves into several groups. 让我们分成几个小组吧。
2.teach sb. to do sth. 教某人做某事
e.g. He taught us to serve the people heart and soul. 他教导我们全心全意为人民服务。
3.at the same time 同时
e.g. We both got the school at the same time this morning. 今早我们同时到达学校。
Language Points 1
4.stop… from doing (同 prevent… from doing) 阻止……做某事
e.g. The workers had to work for hours to stop the ship from going down. 工人们不得不工作好几个小时为阻止轮船下沉。
5.dream of /about … 梦想……
e.g. He dreams about/of living on the moon. 他梦想住在月球上。6.look up to
①仰着头看……
e.g. The girl is so short that she has to look up to her elder sister.
这个女孩是如此矮，她得仰着头看她的姐姐。
②仰慕
e.g. We look up to him as a hero. 我们把他尊为英雄。
7. encourage sb. to do sth.鼓励某人做某事
e.g. The teacher often encourages us to study hard. 老师经常鼓励我们努力学习。
8. achieve one’s dream 实现梦想
e.g. He works hard to achieve his dream. 他为了实现梦想努力工作。
Game
Development
Popularity
played inside on a hard ______
_____ teams
get __________ into the other team’s ________
floor
two
the ball
basket
played by ___________________ people
all over __________
more than 100 million
the world
invented by ________________
first game on _______________
became an Olympic event in _____ in the year ______
most famous games:______
popular games in China: ______
Berlin
1936
NBA
CBA
2c
Complete the mind map with the information in the passage. What else can you add to the mind map
James Naismith
December 21,1891
1. Who invented basketball and how is it played
2. When was the first basketball game in history played
3. Why were the Berlin Olympics important for basketball
2d
Use the mind map to summarize what you and your partner remember about the development of basketball. Use the following questions to help you.
(Dr.)James Naismith invented basketball. There are two teams and
players on the same team must work together to get the ball into the
other team’s basket.
The first basketball game in history was played on December 21, 1891.
The Berin Olympics were important because basketball became an
Olympic event then.
4. What are the professional basketball groups in America and China
5. How popular is basketball
The professional basketball groups are the NBA in America and the
CBA in China.
Basketball is played by more than 100 million people in over
200 countries.
2e
What do you think of famous basketball players Make a list of good and difficult things about being a famous basketball player.
◎Problem: quickly taking notes in class
◎New invention: a special pen
◎What it is used for:_________________
3a
Think of something that you do not like to do. Then think of an invention that could help you. Make notes.
This special pen was invented by Liu Jie.
It has three colors and is used for …
3b
Imagine you are a business person. Write a description of your new invention. Try to sell the invention to the class.
话题写作指导
一、话题分析
本单元的话题是“发明”，与此相关的写作任务是能简单介绍某项发明的历史、用途、特点等。写作时要有条理、准确、简明，要正确运用被动语态。
二、写作范例
假如你发明的“飞行单车”在学校科技节中获奖，被推荐参加一个国际青少年科技展览。请用英语介绍你的发明，内容包括图示内容。
参考词汇：轮子 wheel 太阳能 solar power
思路点拨
1.体裁：说明文
2.人称：第三人称
3.时态：一般过去时
写作步骤第一步：审题，找出文章要表达的中心；第二步：用简单的句子或短语列出文章要点；第三步：添加首尾句，使文章结构完整；第四步：用恰当的关联词，使句子和段落衔接自然。
开篇点题
a flying bike, a great invention
正文介绍 two wheels and two wings, ride, fly, take photos, call others, travel fast, protect the environment, save energy
总结收尾
add something to, set an umbrella
参考范文:
My invention is a flying bike.It was made last week.I think it’s really a great invention.Here is my introduction to it.It has two wheels and two wings so that we can use it to ride on the ground or fly in the sky.Besides，when we ride the bike,we can take photos or call others with it.It can not only travel very fast but also help to protect the environment and save energy.Because we use solar power to move it.
It has many advantages.However,it need be improved as well.First of all,we had better add something to the bike to stop us from falling off it.In addition,it’s a good idea to set an umbrella on it to help us keep off the rain.
1 Complete the passage with the correct forms of the words in the box.
invent doubt mention website all of a sudden
It is often difficult to decide on the inventor of certain inventions.This is because sometimes a few people may ______ things which are nearly the same. It’s hard to tell who came up with the idea first.Some inventions can also lead to other inventions _____________.So some people _______ whether the inventor came up with the idea himself or herself. They think that the inventor used someone else’s idea to create his or her invention. That is why books or _______ usually ________ more than one inventor when giving information about inventions.
all of a sudden
invent
websites
doubt
mention
Self Check
2 Rewrite these sentences using the passive voice.
1. Someone stole my watch.
___________________________________________
2. They used five eggs to make this big cake.
___________________________________________
3. When did they invent the personal computer
____________________________________________
4.They asked us not to run in the hallway.
____________________________________________
5. Someone took the video back to the store.
____________________________________________
My watch was stolen by someone.
Five eggs were used to make this big cake by them.
When was the personal computer invented by them
We were asked not to run in the hallway by them.
The video was taken back to the store by someone.
3 Find out information about one invention you would
like to know more about and write sentences below.
Invention:_______________
When: _______________
Who: _______________
Purpose:_______________
Language Points 2
This is because sometimes a few people may invent things which are nearly the same.这是因为有时一些人可能发明的东西几乎是一样的。（教材第48页）辨析 nearly 与 almost
两者都有“几乎；差不多”之意，有时可通用，具体区别如下：
nearly almost 表示的接近程度比 nearly 大 可以和 not 连用，not nearly 意为“远非，绝不是”，nearly 前可用 very，pretty 等词修饰
almost 可以和 no，never，nothing 等表示否定意义的词连用，但不与 not 连用
e.g. We’ve saved some money, but it’s not nearly enough. 我们存了一些钱，但还远远不够。
I almost never see her. 我几乎从未见过她。
一、用所给单词的正确形式填空
1.He is a _________ (Canada) doctor.
2.Yang Liwei is one of the national _________(hero).
3.The temperature in the world has _________ (rise) these years.
4.Nobody can stop me from _________ (create) a new game for children.
Canadian
heroes
risen
creating
Exercise
二、根据汉语意思完成下列句子
1.我们被分成四组做实验。
We are _________ _________ four groups to do the experiment.
2. 我已经在这里工作了将近两年。
I’ve worked here ________ ________ two years.
3.人们相信有很多人出去赚钱。
_________ _________ there _________ _________ number of
people going out to make money.
4.什么时候才能实现我的梦想？
When will I _________ my _________
divided
into
It’s
believed
are
a
achieve
dream
for nearly
Write an article about your own invention.
Homework