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p166 Vocabulary %22the unknown%22

Author: jeong jae won
Description:
Keywords: , , , , , , online teaching

Content:
Definitions:
0. 4
1. expedition
2. 3
3. efficiently
4. vision
5. courageous
6. 5
7. 1
8. revolution
9. explorer
10. research
11. reliable
12. risk
13. the unknown
14. economically
15. 2

Answers:
0. 5
1. 3
2. a complete change in how we do things
3. carefully, without wasting money
4. a carefully planned trip, especially to a dangerous place
5. the study of a subject to learn new facts
6. using time, money, or effort effectively
7. the chance something bad might happen
8. someone who travels to places no one has ever visited
9. 1
10. brave
11. 2
12. a place no one has ever been
13. 4
14. dependable
15. an idea or dream of what could happen
.