Unit7知识点-E部分练习 2025-2026学年沪外教版七年级英语上册

七年级英语上册Unit7知识点-E部分练习 小试牛刀 A. 选用方框中的短语填空（每个限用一次） | plan our meals | take good care of | turn down the heating | turn off the lights | choose a green way | 1. We should ____________________ every day to reduce food waste. 2. We should ____________________ our clothes and buy second-hand ones. 3. In winter, we should ____________________ by one degree. 4. At school, we should ____________________ when we leave the classroom. 5. We should ____________________ to get around, like walking or taking a bus. B. 句型转换（改为一般疑问句并作肯定或否定回答） 1. We should plan our meals every day. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 2. You can help by turning off the lights. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 3. Everyone should take action now. 一般疑问句：_________________________________________________ 肯定回答：_________________ 否定回答：_________________ 配套练习 A. 单项选择（★） 从A、B、C、D中选择最佳答案。 1. What does “carbon footprint” mean? A. 碳足迹（指人类活动产生的温室气体排放量） B. 碳脚印 C. 碳的痕迹 D. 碳的尺寸 2. According to the model letter, what should we do with food? A. Eat more meat. B. Plan meals to reduce waste. C. Throw away leftover food. D. Buy more food than we need. 3. What should we do with clothes? A. Buy new clothes every week. B. Take good care of them and buy second-hand. C. Throw them away after wearing once. D. Wash them every day. 4. How can we help at school? A. Turn on all the lights. B. Leave the lights on when we leave. C. Turn off the lights when we leave. D. Use more electricity. 5. Which is a green way to get around? A. Driving a car alone. B. Taking a bus. C. Flying in a plane. D. Using a private taxi. B. 完成句子（★★） 根据句子内容，用正确的词汇完成句子。 1. 每个人都可以通过在学校和家里采取小行动来帮助减少碳足迹。 Everyone can help ______ our carbon ______ by taking small steps at home and school. 2. 我们应该减少食物浪费。 We should ______ food ______. 3. 例如，我们冬天应该把暖气调低一度。 For example, we should ______ ______ the heating by one degree in winter. 4. 我们还可以在教室里帮忙，离开时关灯。 We can even help in the classroom by ______ ______ the lights when we leave. 5. 让我们现在就行动起来！ Let’s ______ ______ now! 拓展思考 写一封公开信（至少6句）给你的同学，给出三条减少碳足迹的建议。使用 should 和 can。信的开头和结尾已给出。 Dear classmates, _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ Best wishes, Your name 参考答案与解析 小试牛刀 A 1. plan our meals 2. take good care of 3. turn down the heating 4. turn off the lights 5. choose a green way 小试牛刀 B 1. Should we plan our meals every day? Yes, we should. / No, we shouldn’t. 2. Can you help by turning off the lights? Yes, I can. / No, I can’t. 3. Should everyone take action now? Yes, they should. / No, they shouldn’t. 配套练习 A 1. A（碳足迹的定义） 2. B（规划餐食减少浪费） 3. B（爱护衣物，买二手） 4. C（离开时关灯） 5. B（坐公交车是绿色出行方式） 配套练习 B 1. reduce, footprint 2. reduce, waste 3. turn down 4. turning off 5. take action 拓展思考（示例） Dear classmates, We should do something to reduce our carbon footprint. First, we should turn off the lights when we leave the classroom. Second, we can bring a reusable water bottle instead of buying plastic ones. Third, we should walk or take a bus to school. We can also eat all the food on our plates to reduce waste. Let’s work together to help our planet! Best wishes, Li Ming 1 学科网（北京）股份有限公司 $