【分析】
本题为英汉词汇对应默写题，解题思路是根据给出的中文释义，回忆并匹配对应的常用英语单词，注意单词的正确拼写，确保与标准释义对应，逐个完成填空即可。
【解析】
根据中文释义匹配对应的英语单词，具体如下：1. “一面”对应side；2. “节省，节约”对应save；3. “两个，两个都”对应both；4. “电，电能”对应electricity；5. “为……着色”对应colour；6. “水龙头”对应tap；7. “电灯”对应light；8. “蔬菜”对应vegetable；9. “牙，齿”对应tooth；10. “项目”对应project；11. “浪费”对应waste；12. “持续”对应last；13. “塑料的”对应plastic；14. “小时”对应hour；15. “刷净”对应brush。
【答案】
1. side 2. save 3. both 4. electricity 5. colour 6. tap 7. light 8. vegetable 9. tooth 10. project 11. waste 12. last 13. plastic 14. hour 15. brush
【知识点】
英语常用词汇识记、单词拼写
【点评】
本题考查基础英语词汇的英汉对应默写，属于英语学习的基础题型，旨在巩固学生的核心词汇储备，难度较低，适合基础阶段练习。
【难度系数】
0.9

【分析】本题为根据中文意思默写英语短语的基础题型，解题时需准确回忆每个中文含义对应的常用英语固定短语，重点关注短语的固定搭配（如动词与介词的组合、名词单复数、冠词使用等细节），例如“关灯”需补充定冠词和名词复数the lights，“刷牙”需用brush one's teeth的正确形式，确保短语与中文意思完全匹配，无拼写错误。
【解析】1. go green 2. turn off 3. eat up 4. the Earth 5. do a project 6. turn off the lights 7. draw some banana trees 8. do some chores 9. use both sides of the paper 10. these small things 11. tell people to save electricity 12. stay at home 13. make a poster 14. take care of the Earth 15. use cloth bags 16. brush one's teeth 17. colour it green and blue 18. turn off the tap 19. walk to school 20. save paper
【答案】1. go green 2. turn off 3. eat up 4. the Earth 5. do a project 6. turn off the lights 7. draw some banana trees 8. do some chores 9. use both sides of the paper 10. these small things 11. tell people to save electricity 12. stay at home 13. make a poster 14. take care of the Earth 15. use cloth bags 16. brush one's teeth 17. colour it green and blue 18. turn off the tap 19. walk to school 20. save paper
【知识点】英语固定短语搭配；动词短语；名词短语
【点评】本题围绕环保主题考查常用英语短语的掌握，属于基础识记类题目，只要平时积累相关短语并注意细节（如冠词、名词形式）即可正确作答，难度较低。
【难度系数】0.8

【分析】
本题为汉译英题型，解题思路为：先分析每个中文句子的核心结构（如主谓宾、固定搭配），再对应英语的常用表达，注意时态、疑问句语序、介词搭配等语法细节，确保翻译符合英语表达习惯，准确对应中文含义。
【解析】
1. 核心结构：它（It）+ 告诉人们做某事（tell people to do）+ 节约用电（save electricity），一般现在时，主语it为第三人称单数，动词用tells，故译为It tells people to save electricity.
2. 核心结构：我们（We）+ 应该（should）+ 总是（always）+ 吃光所有食物（eat up all our food），故译为We should always eat up all our food.
3. 问句：我们应该做什么（What should we do）+ 目的（to help the Earth）；答句：让我们做一张海报（Let's make a poster）+ 关于它（about it），故译为— What should we do to help the Earth? — Let's make a poster about it.
4. 核心结构：它（It）+ 持续（lasts）+ 时间范围（from 8:30 to 9:30）+ 晚上（in the evening），一般现在时，主语it为第三人称单数，动词用lasts，故译为It lasts from 8:30 to 9:30 in the evening.
5. 核心结构：这些小事（These small things）+ 将会帮助（will help）+ 我们的地球母亲（our Mother Earth）+ 极大地（in a big way），故译为These small things will help our Mother Earth in a big way.
6. 问句：比利，你会画什么（What will you draw, Billy?）；答句：我会画一个垃圾桶（I will draw a rubbish bin），故译为— What will you draw, Billy? — I will draw a rubbish bin.
7. 核心结构：地球一小时（Earth Hour）+ 常常是（is often）+ 时间（on the last Saturday of March），故译为Earth Hour is often on the last Saturday of March.
8. 核心结构：我（I）+ 不会浪费（won't waste）+ 食物（food），故译为I won't waste food.
9. 核心结构：每年（Every year）+ 人们（people）+ 在许多国家（in many countries）+ 关灯（turn off their lights）+ 一小时（for an hour），一般现在时，主语people为复数，动词用原形，故译为Every year, people in many countries turn off their lights for an hour.
10. 核心结构：我们（We）+ 应该关掉水龙头（should turn off the tap）+ 时间状语从句（when we brush our teeth），故译为We should turn off the tap when we brush our teeth.
【答案】
1. It tells people to save electricity. 2. We should always eat up all our food. 3. — What should we do to help the Earth? — Let's make a poster about it. 4. It lasts from 8:30 to 9:30 in the evening. 5. These small things will help our Mother Earth in a big way. 6. — What will you draw, Billy? — I will draw a rubbish bin. 7. Earth Hour is often on the last Saturday of March. 8. I won't waste food. 9. Every year, people in many countries turn off their lights for an hour. 10. We should turn off the tap when we brush our teeth.
【知识点】
汉译英、固定搭配、介词用法
【点评】
本题考查基础英语句子的汉译英，需掌握常用短语、句型及语法细节，是英语学习的基础题型，适合巩固英语基础表达能力。
【难度系数】
0.7