1、Unit 4 Then and nowPart AWhat this?Its a star.We can see stars at night.Lets sing!Twinkle,twinkle,little star,How I wonder what you are!Up above the world so high,Like a diamond in the sky.Twinkle,twinkle,little star,How I wonder what you are!Wu Yifans grandpa is at Wu Yifans school now!They are tal
2、king about the schools then and now.What was Grandpas school like?Lets read and answer!There was no library in my old school.libraryThere were no computers or Internet in my time.InternetWe can look something up on the Internet.But there was no Internet at Grandpas school.There was only a small buil
3、ding on the hill.Read and answerQ1：Could grandpa see stars at night?Q2：How many days did the Americans take to get to the moon in 1969?Q3：How does Wu Yifan know that？Q1：Could grandpa see stars at night?Yes,he could.He liked the stars.Q2：How many days did the Americans take to get to the moon in 1969
4、?The Americans took about five days to get there in 1969.Q3：How does Wu Yifan know that？He looked it up on the Internet.We can look something up on the Internet,too.What did we learn?1.过去没有什么东西：过去没有什么东西：There was no+单数名词+其它There were no+复数名词+其它2.过去有什么东西：过去有什么东西：There was a+单数名词+其它There were+复数名词+其它T
5、here was no library in my old school.我以前的学校我以前的学校没有没有图书馆。图书馆。There were no computers in my time.我那时候我那时候没有没有电脑。电脑。There was a library in my old school.我以前的学校有我以前的学校有一所一所图书馆。图书馆。There were computers in my time.我那时候有电脑了。我那时候有电脑了。Time for exercise A.is B.are C.was D.were（1）There _ a book on the desk ye
6、sterday.（2）There _ many flowers in the garden.（3）There _ no computers in 1720.（4）There _ an apple in the basket.（5）There _ an old house here in 1928.（6）There _ some buildings there last year.Check your answers A.is B.are C.was D.were（1）There _ a book on the desk yesterday.（2）There _ many flowers in the garden.（3）There _ no computers in 1720.（4）There _ an apple in the basket.（5）There _ an old house here in 1928.（6）There _ some buildings there last year.CDBACDGoodbye!
