Unit3 Computers
第一课时 Warming up & vocabulary
一.本单元重点单词：
calculate_______
universal_______
simplify_______
logically______
technology______
artificial_______
intelligence_____
solve______
personally_____
application ______
network______
finance________
tube________
mobile phone______
rocket________
explore______
1.从现在起_______ 2.因此_________
3.如此---以致于_________ 4.人类_______
5.提供给某人某物_________ 6. 忠诚的朋友__________
二．单词拼写
We should e_______new ways to solve the problems that we are facing.
P______speaking, I prefer English to maths.
We should try to s________this difficult problem to make it easier to be understood by others.
Don’t judge a person by his a__________.
They are twins, so they have something in c________
After years of hard work, his dream has become a r________.
Computers are used to c________with each other around the world by the internet.
In the past 20 years, my hometown has t________
changed.
If any problem a_______,please tell me.
Has Edward________(计算)the result?
二．根据句子意思，从下表所给出的词汇中选出合适的单词或词组，并用其正确形式填空.
goal, watch over, as a result, deal with, after all, total, with the help of
1.__________ his friends, he overcame his difficulties successfully.
2.If you don’t set yourself _______, you will often find yourself wasting time.
3.The _______ cost of these things is 100 dollars.
4.As an elder brother, you have the responsibility to _____-__your sister.
5.The cold weather has frozen the river.__________,he can’t go boating as he usually would.
6.Don’t scold the boy.__________,he is only 5 years old.
7.She is used to __________all kinds of people.
课件19张PPT。Unit 3 ComputersAfter this class, you are able to:Learning objectivesknow the development of computers.
master some reading skills, such as finding the topic sentences and supporting details.
understand the advantages brought by computers and make use of them in a positive way.Over time I have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Topic sentences
16421936Since 1970s1882Group discussion:
In which two aspects computers have changed? In size: from large to small In fun_ction: from poor to strongparagraph 1 What makes it possible for computers to change so much?It is the memory that has improved a lot.paragraph 2 A tubeA transistor A chipSince 1970s, in which aspects can computers be used ?paragraph 3 They can be used in communication, finance, trade, robots, mobile phones, space rocketsOver time I have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Communication
Finance
Trade
Robots
Mobile phones
Space rocketsTubes;
Transistors;
Small chips;
World Wide WebA calculating machine
An analytical machine
A universal machine
A PC or a laptopOver time I have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Communication
Finance
Trade
Robots
Mobile phones
Space rocketsTubes;
Transistors;
Small chips;
World Wide WebA calculating machine
An analytical machine
A universal machine
A PC or a laptopTopic sentencesOver time I have been changed quite a lot.These changes only became possible as my memory improved.Since the 1970s many new applications have been found for me.Communication
Finance
Trade
Robots
Mobile phones
Space rocketsTubes;
Transistors;
Small chips;
World Wide WebA calculating machine
An analytical machine
A universal machine
A PC or a laptopTopic sentencesSupporting detailsWho am I ? Group discussion:
Why the author write this passage in the first person? Or What are the advantages to write this article from the angle of person?What kinds of feelings can you get?
From which sentence you get it?paragraph 2 & 3 Proud; unbelievable; happy…Design your own computer. And choose a spokesman to make a speech to release your new computer to the news conference.
Requirements: your speech is expected to include the size, shape and fun_ction of your computer .Group work:“ There is no shortcut to excellence. Use your talents, abilities, and skills in the best way possible. Right now to give it your best shot and you will be amazed with what life gives you back. ”
-Steve JobsHomework:
Describe your computer and what it can be used in at least 80 words.
