Across
- 4. (V.) Can you _______ what life will be like in the future?
- 5. (V.) Cars _______ harmful(有害的) gases into the air.
- 7. (N.) The _______ makes cars and ships.
- 8. (N.) Trees give us _______ so we can breathe.
- 9. (N.) Many animals live in the _______ where there are many trees.
Down
- 1. (N.) Our class is working on a science _______ about plants.
- 2. (N.) _______ gases are causing the Earth to get warmer.
- 3. (N.) The _______ of making paper involves(包含) cutting trees.
- 4. (V.) The teacher will _______ a new science topic today.
- 6. (N.) She had to make a lot of _______ to finish her homework.