Unit1 Living with technology Reading2教学设计
单 元：Unit1 Living with technology
板 块：Reading 2
Thoughts on design
这是Reading 板块的第二课时。由于Reading 板块的文章不仅为学生提供丰富的信息，同时又富含字、词、句等语言材料供学生学习，所以第二课时教学主要关注学生字词句等语言知识的学习和运用，如重要短语的理解和用法以及核心词汇的理解和用法等。
Teaching aims:
Students will learn to use some important phrases and key words.
Teaching procedures:
Step 1  Important phrases
• The evolution of video and sound devices
• shortly afterwards
• contributed to the development of TV
• was very primitive and had many drawbacks
• made important breakthroughs in the development of the TV
• in the late 1920s and early 1930s
• adopt many of the principles
• constructed the first colour TV
• regular colour TV broadcasts were delayed
• within a short time
• Satellites allow live TV programmes to be broadcast
• over vast distances
• make TV accessible to people who live far away from cities
• throughout the countryside and the remote areas
• a small percentage of people
• benefit from satellite TV
• broadcast the signals  
• made the first recording of a human voice
• used round tubes to record on
• used discs as alternative to tubes
• be wound up by hand
• Times sure have changed!
• employed steel tape to record on
• paper tape also tore easily
• by the late 1960s
• Sound and video goes digital.
• The first CDs were made available.
• with the adaptation of digital technology
• make … things of the past
• keep pace with
• foresee what the future will bring
[Explanation]
建议备课时可以巧妙设计一些问题，学生口头回答问题时需要用到上述短语，能够准确回答也表明学生已经了解这些短语的含义，然后教师再做书面呈现并简要地讲解，并要求学生课后复习并记忆。其中一些重要词汇的用法可以放在下面的环节进行详讲。
Step 2  Key words
1. contribute (v.)  
1) to give money, help, ideas etc to something that a lot of other people are also involved in contribute to/towards
City employees cannot contribute to political campaigns.
contribute sth. to/towards sth.
The volunteers contribute their own time to the project.
2) to help to make something happen　
contribute to
Alcohol contributes to 100,000 deaths a year in the US.
3) to write articles, stories, poems etc for a newspaper or magazine
contribute to
one of several authors contributing to the book
2. adopt (v.)
1) to start to deal with or think about something in a particular way
adopt an approach/policy/attitude etc.
The courts were asked to adopt a more flexible approach to young offenders.
2) to take someone else's child into your home and legally become its parent
The couple are unable to have children of their own, but hope to adopt a girl.
3. delay (v.)
1) to wait until a later time to do something
He delayed his decision on whether to call an election.
delay doing sth.
Big companies often delay paying their bills.
delay sth. until sth.
The opening of this section of the road is delayed until September.
2) to make someone or something late
seriously/badly/slightly etc delayed
The flight was badly delayed because of fog.
4. accessible (adj.)
1) easy to obtain or use
accessible to
the need for an efficient health service that is accessible to allaccessible短语搭配
easily/readily accessible
Computers should be made readily accessible to teachers and pupils.
2) a place, building, or object that is accessible is easy to reach or get into
　 The island is only accessible by boat.
　There is a church which is easily accessible from my home.
3) someone who is accessible is easy to meet and talk to, even if they are very important or powerful
I think that you'll find she's very accessible.
4) a book, poem, painting etc that is accessible is easy to understand and enjoy
He wants his music to be accessible to everyone.
access (n.)
1) the right to enter a place, use something, see someone etc
  access to
  Access to the papers is restricted to senior management.
  Cats should always have access to fresh, clean water.
2) how easy or difficult it is for people to enter a public building, to reach a place, or talk to someone
access to
a house with easy access to the sea
3) to succeed in entering a place or in seeing someone or something
gain/get access (to sth.)
The police managed to gain access through an upstairs window.
access (vt.)
• to find information, especially on a computer
Users can access their voice mail remotely.
•
5. wind (v.)  (wound, wound )
1) to turn or twist something several times around something else
wind sth. around/round sth.
The hair is divided into sections and wound around heated rods.
2) to turn part of a machine around several times, in order to make it move or start working also wind up
Did you remember to wind the clock?
3) if a road, river etc winds somewhere, it has many smooth bends and is usually very long
wind (its way) through/along etc sth.
Highway 99 winds its way along the coast.
a winding path

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。