Ⅲ. Think and say.
What do you know about Earth Day? Ask your partner the following questions and share your own ideas.
1. When is Earth Day every year?
2. Why do people around the world celebrate this day?
3. What can you do for Earth Day this year?

参考回答示例：
1. Earth Day is on April 22nd every year.
2. People around the world celebrate this day, because they hope to draw all people's attention to the serious environmental problems the Earth is facing now. Since the Earth is our only home, the day can remind everyone that we should try our best to protect the environment instead of destroying it.
3. For this year's Earth Day, I have made a small plan. First, I will go to the community nearby to give out leaflets to tell people to save water and electricity in daily life. Next, I will plant a small tree with my family in the yard. Then I will sort out my old used things and give them away for recycling to reduce waste.

【分析】
本题是关于地球日的口语表达任务，需回答三个指定问题。解题思路：① 牢记地球日的固定日期（每年4月22日）；② 运用because、as、since等原因连接词，说明庆祝地球日的核心目的——关注地球面临的环境问题、呼吁环保；③ 使用first、next等顺序词，列举个人为地球日可做的具体行动，确保表达清晰有条理，符合题目要求的语言规则。
【解析】
1. 地球日的时间：Earth Day is on April 22nd every year.
2. 庆祝原因：People around the world celebrate this day because they hope to draw all people's attention to the serious environmental problems the Earth is facing now. Since the Earth is our only home, the day can remind everyone that we should try our best to protect the environment instead of destroying it.
3. 个人行动：For this year's Earth Day, I have made a small plan. First, I will go to the community nearby to give out leaflets to tell people to save water and electricity in daily life. Next, I will plant a small tree with my family in the yard. Then I will sort out my old used things and give them away for recycling to reduce waste.
【答案】
参考回答示例：
1. Earth Day is on April 22nd every year.
2. People around the world celebrate this day, because they hope to draw all people's attention to the serious environmental problems the Earth is facing now. Since the Earth is our only home, the day can remind everyone that we should try our best to protect the environment instead of destroying it.
3. For this year's Earth Day, I have made a small plan. First, I will go to the community nearby to give out leaflets to tell people to save water and electricity in daily life. Next, I will plant a small tree with my family in the yard. Then I will sort out my old used things and give them away for recycling to reduce waste.
【知识点】
地球日常识、原因状语从句、顺序副词的运用
【点评】
本题结合环保主题考查口语表达能力，要求学生掌握原因连接词和顺序词的用法，内容贴近生活，有助于提升学生的环保意识和英语表达能力。
【难度系数】
0.6