（C）根据材料内容，选择正确的选项。

Main Activities
| Time | Activity | Description |
| ---- | ---- | ---- |
| 9:00—10:00 | Opening Ceremony | Young leaders talk about the day's purpose and activities. |
| 10:15—12:00 | Workshop: “Plastic-Free: Make reusable bags and design a green future” | Make posters about protecting the environment. |
| 12:00—13:00 | International picnic | Bring homemade food from your country to share with others. |
| 13:15—14:30 | River Clean-Up | Clean the river and write down different kinds of waste. |
| 14:45—15:45 | “Youth Ideas for the Earth” Forum（论坛） | Share your ideas about making the world a better place. |
| 16:08 | Closing and Prize Ceremony | Give prizes for best ideas and great teamwork. |
Notice for Participants(参与者):
Bring your own water bottle and lunch box.
Wear comfortable shoes and clothes.
All participants will get certificates for community service.

Learn useful skills to help the Earth.
Celebrate different cultures through food and talks.
Practise teamwork, and thinking skills.
Help save our Earth and inspire others.
（）1. The Eco-Day starts at .
A. 9:00 a.m.
B. 10:00 a.m.
C. 2:00 p.m.
D. 4:00 p.m.
（）2. At 12:30, visitors can .
A. listen to lectures by young leaders
B. share homemade food with others
C. make reusable bags together
D. clean the waste in the river
（）3. Visitor can after taking part in the community service.
A. get prizes for best ideas
B. sell their own water bottles
C. get certificates for community service
D. share useful skills online
（）4. Which of the following is the best to be filled in the blank?
A. How will you help us?
B. Why should you take part?
C. Where can you find us?
D. Who will you meet?
（）5. The material is probably a(n) .
A. web page
B. magazine
C. picture book
D. advertisement(广告)