听下面一段材料,回答第1-4题。 |
1. What's the main idea of the passage? |
A. How to spend some money on paper-made bags. B. How to recycle all of the plastic bags. C. White pollution. |
2. What is the aim of the charging system? |
A. To reduce the cost. B. To cut down the accident. C. To prevent more white pollution. |
3. How long will it take a plastic bag to disappear completely? |
A. About 12 years. B. Around 20 years. C. More than 200 years. |
4. Which of the following hasn't been mentioned in the report? |
A. Paper-made bags. B. Cloth-made bags. C. Bamboo-made bags. |