U4词汇复习
Across
- 3. / To use fire to destroy something.
- 4. / To chase and kill wild animals for food or sport.
- 6. / To keep safe from harm.
- 7. / A very large animal that lives in the ocean.
- 11. / A fight between countries or groups.
- 12. / When the environment is made dirty and harmful.
- 13. / A very dry area of land with little rain and few plants.
- 14. / A place you can visit on the Internet.
- 16. / To go away or vanish.
- 19. / The answer to a problem.
- 21. / A man-made material used to make bags and bottles.
- 22. / Very, very cold.
Down
- 1. / Causing damage or injury.
- 2. / A strong wind in the desert that carries sand.
- 4. / A word used to show a different idea is coming.
- 5. / When the wind moves, it does this.
- 6. / A large body in space that orbits a star, like Earth.
- 8. / The ruler of an empire.
- 9. / An insect with colorful wings.
- 10. / To place something over or upon.
- 15. / To travel to discover new places.
- 17. / A group of parts that work together as a whole.
- 18. / A thick, black liquid from the ground, used to make fuel and plastic.
- 20. / Belonging to you.
- 23. / A substance like air, or a fuel for cars and cooking.