Unit 4Then and nowA. Lets talklets spellis -are -go -can -see -watch -read -look -waswerewentcouldsawwatchedreadlookedgymlast yeartimeyears agolast month火眼金睛：火眼金睛：Read quickly(快速、正确地读出快速、正确地读出单词单词)months agograssinternetdining hallReviewstarsCan you see the stars during the day?Yes, I can.No, I cant./I can see stars at night.Do you know the name of this star?Its very easy.I can look it up on the Internet.look up 查阅查阅Internet 互联网互联网look it up on the Internetlook it up in the dictionary look it up in the bookfriendstarI like the moon. One day Im going to visit the moon.moonCanadiansChineseAmericansWho have been to the moon in 1969?1969nineteen sixty-nineThe Americans took about five days to get there in 1969.Tell us about your old school, please.A：There was no library in my old school.B：There was a big TV in my old classroom.C：There were no computers or Internet in my old school.D：There was only one small building near the hill.找出一个错误的选项！找出一个错误的选项！There was only one small building near the hill. There was no library in my old school. There were no computers or Internet in my old school.nowfive years agoThe school was _ five years ago.The school is _ now.oldnewThe desks were _ five years ago.The desks are _ now.oldnewThe _ was old five years ago.The _ is new now. 单数单数The _ were old five years ago.The _ are new now. 复数复数lightschairswallsblackboardteachers deskToday, there is a guest visiting the school. Listen and tick or cross.1. The school changed a little.2. Grandpa could use computers when he was at school.自读课文，并回答下列问题：自读课文，并回答下列问题：Was there a library in grandpas old school?What was grandpas school like?When did the Americans go to the moon?G: Wow, a library! There was no library in my old school.S: Tell us about your school, please.G: There was only one small building on a hill.W: Could you see stars at night?G: Yes, I liked the stars.S: Me too. One day Im going to visit the moon.W: The Americans took about five days to get there in 1969.S: How do you know that?W: Easy, I looked it up on the Internet.G: Ah! There were no computers or Internet in my time.G: Wow, a library! There was no library in my old school.S: Tell us about your school, please.G: There was only one small building on a hill.W: Could you see stars at night?G: Yes, I liked the stars.S: Me too. One day Im going to visit the moon.W: The Americans took about five days to get there in 1969.S: How do you know that?W: Easy, I looked it up on the Internet.G: Ah! There were no computers or Internet in my time.What was Grandpas school like?1.Read P34 three times.2.Copy the words and sentences on the copybook.Thank you!Thank you!