1

Get ready!
a. With the help of the phonetic transcription or by listening to the recording, find the following words in English.


1) /krɪpˈtɒgrəfi/
2) /ˈtɛlɪgrɑːf/
3) /ˌmæθəˈmætɪks/
4) /ˈsaɪəns/
5) / ˈmɛsɪʤɪz/
6) /ˈprɪvəsɪ/
7) /ɪnˈkrɪpʃən/
8) /ˌɪntəˈsɛptɪd/
9) /ˈwɔː/

b. With the help of the words above and the picture on p. 154, imagine what the video will be about.

2

a. Watch the video. Write down everything you understand in the video about the context.


b. Pick out elements in the video to fill in these categories.