Please match the words with their proper meanings.

　　1．reality　　　 A．relating to towns and cities

　　2．sightseeing B．safe from and protected against damage or attack

　　3．disabled C．what actually happens or is true, not what is imagined or thought

　　4．secure D．someone who cannot use a part of their bodies properly

　　5．injure E．the activity of visiting famous or interesting places, especially as tourists

　　6．urban F．to hurt yourself or someone else, for example in an accident or an attack

　　7．disadvantage G．the scientific study of the life and structure of plants and animals

　　8．biology H．something that causes problems and tends to stop sb./sth.from succeeding or making progress

　　答案：1～5　CEDBF　6～8　AHG

　　Discuss the following pictures in pairs and then fill in the blanks.

　　1．What is the robot doing in this picture?

　　The robot is serving dinner for the master. He can do a lot of things for human beings, for example, they can help people do housework.They will make people's lives more convenient.

　　2．(1)What are the people in this picture doing?

　　They're_having_a_birthday_party.

　　(2)How old is the man?

　　He_is_200_years_old.

　　(3)Do you think people can live that long in the future? Why or why not?

　　Yes.With the development of genetic research, scientists can find out the secret of living longer. In the future, human beings can live_much_longer than we live today.

　　3.

　　(1)Can you guess where these "people" are working?

　　They're working in_the_office.

　　(2)Can you tell who these "people" are? What are they doing?

　　They are humans and aliens.They are discussing some important things.

(3)What is the relationship between them?