(extinct ,influence , eacefully , being destroyed ,environment,responsible ,captured ,pollutants , danger, off spring, captured , rapidly , nature , established , natural )
1. Dinosaurs became _________________ millions of years ago.
2. Human beings are changing the __________________ in all aspects.
3. The chemical _______ from cars and factories make the air, water and soil dangerously dirty.
4. The earth will be a happy planet where human beings, animals and plants ____co-exist.
5. Animals shouldn’t be _______________ for recreation and entertainment.
6. Many species of rare animals are in __________________ of becoming extinct.
7. The place where animals are protected within their natural environment is called a _________.
8. Human beings have a great __________________ on our environment.
9. Many organizations have been set up and funds have been raised. “Set up”means _______________
10. Wild animals should not be _____________ for recreation and entertainment.
11. The number of rare animals is decreasing _______________.
12. Human beings are ________________ for the changes in the environment.
13. National Parks are established to create the environment for rare animals to survive and produce _________________.
14. By cutting down trees, we are changing the __________________ habitat of birds and animals
15. All national parks are in danger of __________________.
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Sinh Học lớp 12
