Unit 6 When was it invented? SectionA (1a-1c) 教学课件

课件30张PPT。Unit 9 Period 1
Section A 1a-1cWhen was it invented?年份的读法两个数字一组，分为前后两组121865 eighteen sixty five
1989
千年的读法 two thousand
2001two thousand and onenineteen eighty nine3前两个数字不为零，后两个数字为零。 eighteen hundred
1900 nineteen hundred4非四位数的年份的读法！531 five hundred and thirty-one
翻译下列年代：1 nineteen seventy-one____________
2 eighteen eighty-five__________
3. eighteen seventy-six
4.1927_________________
5.1976______________________
6. 2008____________________
7. 20141971年1885年1876年nineteen twenty-sevennineteen seventy-sixTwo thousand and eightnineteen and fourteenWhat are the Four Great Inventions
in ancient China?Do you know?Chinese four great ancient inventionscompassgun powderprintingPaper makingModern inventionscalculator[‘k?lkjuleit?]A: I think the TV was invented
before the car.
B: Well, I think the TV was
invented after the car.Talk about with your parterner.A: I think the calculator was invented
before the computer.
B: Well, I think the calculator was
invented after the computer.Talk about with your parterner.Listen and choose the sentences.A Cars were invented in 1885.
B The telephone was invented in 1876.
C Personal computers were invented in 1976.
D The TV was invented around 1927.Alice: Was your life very difficult when you were a kid?
Grandma: Oh, not really. Why?
Alice: Well, you didn’t have modern inventions like a telephone, right?
Grandma: Of course we did! How old do you think I am? 1 You need to take a history class, Alice!
Alice: Haha! How about cars? They weren’t invented yet, were they?
Grandma: Yes, they were. 2 My family had a car.
Alice: Well, did you have a TV?ABGrandma: No, we couldn’t afford one. They were expensive in those days. 3 , I think.
Alice: Well, I know that you didn’t have a computer because we learned in school that 4 .
Grandma: You’re right. But I have one now!
CD12341a__ 1976
__ 1876
__ 1927
__ 1885 telephone
car
television
computer

When was it invented? b.d.c.a. _______was invented in _______.Practice the sentences.Picture d: The telephone was invented
in eighteen seventy-six(1876).
Picture a: Cars were invented in
eighteen eighty-five(1885).
Picture c: The TV was invented around
nineteen twenty-seven(1927).
Picture b: The personal computers
were invented in nineteen seventy-six(1976).再听一次，填单词。Alice: Was your life very difficult when you were a kid?
Grandma: Oh, not really. Why?
Alice: Well, you didn’t have modern inventions like a , right?
Grandma: Of course we did! How old do you think I am? The telephone was in 1876. You need to take a history class, Alice!
Alice: Haha! How about ? They weren’t invented yet, were they?
Grandma: Yes, they were. Cars were invented in 1885. My family had a car.telephonecarAlice: Well, did you have a TV?
Grandma: No, we couldn’t one. They were expensive in those days. The TV was invented around 1927, I think.
Alice: Well, I know that you didn’t have a because we learned in school that personal computers were invented in 1976.
Grandma: You’re right. But I have now!
affordcomputerSummaries modern inventions
be invented in
need to
take a history class
couldn’t afford one
in those days
personal computers现代发明
在某年、某地发明
需要做某事
上历史课
买不起
在过去
个人电脑
telephone手机：mobile phone
cellphoneA: When was the …invented?
B: It was invented in _____. 1cTVtelevisionA: When was the … invented?
B: It was invented in _____. computer私人电脑笔记本电脑personal computernotebook computerA: When was the … invented?
B: It was invented in _____. carBenz(奔驰)A: When was the … invented?
B: It was invented in _____. Language points 1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。
Columbus discovered America in 1492.
1492年哥伦布发现了新大陆。
Recently they have discovered a comet.
最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。
I've tried to find another copy but couldn't find one.?我试图再找一本，但没能弄到。
3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。
Man creates himself. 人类创造了自己。
A novelist creates characters and a plot. 小说家塑造人物并设计情节。
Exercise 用invent, discover，find或create的形式填空，完成句子。
1.When _____ the stream engine（蒸汽机） ___ ?
2.I can’t ____ my bike, I’m looking for it.
3. Scientists are now trying to
___ if this is possible.findwasinventeddiscover4. Do you know who______ the plane？
5. He ____ quite a number of wonderful characters in his play.
inventedcreated用所给单词的正确形式填空：When the telephone (invent) ?
The computer can us do math problems (help).
inventedwashelpIn those day, the woman couldn't (afford) a TV because they were really expensive.
A friend of (I) came to see me last week.
I think you need (take) a history class.affordmineto take单项选择（ ）1.The kind of cup is used_______drinking.
A.to B.as C.by D.for
（ ）2.My mother and my sister kept on talking, but my father________silent all the time.
A.got B.kept
C.turned D.lookedDB（ ）3.I think the short story ______by Lu Xun.
A.is writing B.is written
C.written D.was written
（ ）4.--Who_____the electric light lamp_____? —Edison.
A.was;invented B.is;invented
C.was;invented by D.did;invented by
DC