• In the white boxes below, type the words you hear. You will hear each word twice.
       (Remember to use the correct spelling and capital letters, etc.).
  • Click the button at the bottom to check your answers.
  • Press the "refresh" button on your browser to play again.

1. the to see near-infrared light
2. cannot see
3. tiny let the mice see better
4. The effect of the
5. the of the mice was not damaged
6. the eyes did not suffer from any side
7. published in the research
8. new technology
9. our natural abilities
10. this technology
11. energy-intensive
12. The will very likely be interested

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