동대2 3과

1. something that can be chosen instead of something else
3. to make goods in large numbers, usually in a factory
4. extra, and often more than expected
7. very large in size or quantity
10. to produce something
12. an examination of opinions or behavior made by asking people questions
13. an amount of gas, heat, light, etc. that is sent out
14. able to decay naturally and in a way that is not harmful
17. meant to be thrown out after use
18. a hollow form used to give a particular shape to a soft or liquid substance that is poured into it
19. a combination of two or more different things, people, qualities, etc.
20. able to be eaten

2. to be likely to cause harm or damage to something or someone
5. to promise; to make someone feel sure about something
6. the act of eating or drinking something
8. capable of being used again
9. new and inventive
11. to guess or calculate the cost, size, value, etc. of something
15. to take the place of something, or to put something or someone in the place of something or someone else
16. a place where waste is buried