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Book 28
Lesson 3
Across
4. an institution where people are kept as punishment for committing a crime
6. done according to a careful plan and in a thorough way
9. far away in distance or space
10. the process of moving to a higher level or position
11. heavy oil used as fuel instead of petrol in some engines
12. a tall narrow structure or building that stands alone
14. electrical or other energy that is put into a machine; information that is put into a computer or a piece of electronic equipment using another machine
15. an idea that you believe is true although you have no proof
16. to reduce something harmful or unpleasant to the smallest amount or degree; to make something seem much less important than it really is
18. a system of words, numbers, or signs used for sending secret messages
19. a long narrow open hole dug in the ground
20. to go down a mountain or slope, or to go down some stairs; to come down to a lower level, especially a lower social level
Down
1. not clearly or fully explained
2. the act of storing something; space where things can be stored
3. to join together, often to work together to achieve a particular goal
4. oil found under the ground or under the bottom of the sea and used for making petrol for cars and chemical products
5. the amount of something that a person, organization, system etc produces
7. to check or change a piece of equipment used for measuring things in order to make it accurate
8. opposition to someone or something, especially a political or military opponent
13. a crime or illegal activity for which there is a punishment; something that makes you feel angry and upset because it is insulting, unfair, or morally wrong; the process of attacking someone or something
17. to announce something, or to give something to people officially