七、Think and write. 假设你是Lucy，杂志社正在举办“节能有妙招，低碳伴我行”征文比赛。请你给杂志社写一封信，分享你的三个节能妙招。

First, we should take quick showers and wash clothes together to save water.
Second, we should use LED lighting and turn off electrical appliances when they're not in use to save electricity.
Third, we should reuse old bags and bottles, and recycle paper and plastic.（答案不唯一）

【分析】
本题要求以Lucy的身份给杂志社写信，分享三个节能妙招，需围绕“节能”主题，结合日常生活中切实可行的做法，分三点清晰阐述，语言要符合书信的简单表达，确保内容具体合理。
【解析】
根据题目要求，从节水、节电、资源回收利用三个常见节能角度入手，组织简单易懂的英语句子，符合书信语境，具体如下：
First, we should take quick showers and wash clothes together to save water.
Second, we should use LED lighting and turn off electrical appliances when they're not in use to save electricity.
Third, we should reuse old bags and bottles, and recycle paper and plastic.
【答案】
First, we should take quick showers and wash clothes together to save water.
Second, we should use LED lighting and turn off electrical appliances when they're not in use to save electricity.
Third, we should reuse old bags and bottles, and recycle paper and plastic.
【知识点】
英语书信写作、节能话题表达
【点评】
本题结合生活实际考查学生的英语写作能力，既考查语言运用能力，又渗透环保意识，难度适中。
【难度系数】
0.5