The key answer of exercise 2
The key to exercise solutions in chapter 3.2 for the textbook Speakout Intermediate - Workbook with authors Antonia Clare, J. J. Wilson and Stephanie Dimond-Bayir from Pearson Education
Question
Read the text again and answer the questions.
Answer
- Mars and beyond
- clean energy
- via phone apps
- project 3D images
- They can be used to repair wounds.
- They think money should be spent on improving the world not on space travel.
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