4. Left
- Optical fiber: sợi quang
T: Play the tape and ask Ss to fill in
the gaps with the words they catch.
5 Rollers
- Laser: la de
- Listen and fill in the gaps.
Grammar Awareness
- Compare their answers with their
Read the dialogue again and pick out of
partners.Give their answers.
the passive sentences:
Ss: Read the dialogue on page 148
* Post-listening: (3’)
T: Give feedback and correct
again and pick out all of the passive
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