2. Unit 4 Our World Topic 2 Are you sure there are UFOs? Section A Unit 4 Our World Topic 2 Are you sure there are UFOs? Section A

14. Listen and answer 1.Where did Kangkang go last weekend? 2.When did scientists invent the first robot? 1a He went to the science center. In 1921

15. I am sure robots can take the place of humans to do hard work in some situations.

16. take the place of VS instead of Robots can take the place of humans to do hard or boring work in some situations. = They can also do lots of dangerous work instead of humans. = Key points They can also take the place of humans to do lots of dangerous work. Robots can do hard or boring work in some situations instead of humans.

17. Key points But before that, something like a robot appeared. e.g. It tastes something like a melon.

18. Im sure robots can do some work faster and better than humans. Are you sure? Yes, Im sure. / Yes, quite sure. No, Im not sure. Key points

20. A: What can robots do for us? B: They can … save people in dangerrepair machineslift parts of trucks carry heavy thingsmend roadscatch fishes

21. 2 Work alone 16 325 lift parts of trucks 4

22. Group 1 and group2 Discuss the advantages and disadvantages of robots. Group work. Group3 and group 4 Design a robot of your own group and introduce the functions.

24. take the place of VS instead of Robots can take the place of humans to do hard or boring work in some situations. Im sure robots can do some work faster and better than humans. Are you sure? Yes, Im sure. / Yes, quite sure. No, Im not sure. Summary

25. Choose the right answer 1.I think robots can ___ humans in some places. A.take place B.take place of C.take the place of D.take of 2.Wang Fei is ill, so you can go ___ him. A.instead on B. instead for C.instead to D.instead of 3.Robots can save the people____. A.in danger B.are danger C.in happy D.danger 4.---Wu peng,could you tell me____basketball? A.about something B.something about C.anything about 5.---Are you sure you will win the game? ---- _______. A.Yes, I do B.No,I dont C.Yes, Im sure D.Yes,Im C D A B C

26. Homework Write a passage about the robots in the future according to the discussion in class.

27. Thanks for listening! Goodbye!