Unit 4 The Earth Section 1 Experiencing and understanding language练习作业 2026-2027学年沪教版英语七年级上册

**基本信息** 初中英语Unit 4 The Earth Section 1同步练，以“保护地球”为主题，分层设计从基础词汇句型到综合语篇写作，梯度清晰，助力语言能力与思维品质提升。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇与基础句型|翻译题直接考查课文重点句型，词汇运用前6题强化单词拼写| |进阶层|语法应用与语篇理解|词汇运用7-15题考查词形变化（如south→southern），首字母填空通过语篇巩固主题词汇| |综合应用层|写作输出与问题解决|书面表达要求结合地球问题、日常行动及重要性，培养分析与表达能力|

Unit 4 The Earth Section 1练习作业 一、翻译 1. 地球表面大约70%被水覆盖。 ____________________________________________________________________________________________ 2. 我们应该立即采取行动保护地球。 ____________________________________________________________________________________________ 3. 亚洲是世界上面积最大的大洲。 ____________________________________________________________________________________________ 4. 人们把地球分成七个大洲和四个大洋。 ____________________________________________________________________________________________ 5. 大量垃圾进入海洋，危害了海洋生物。 ____________________________________________________________________________________________ 6. 我们可以回收纸张来节约树木资源。 ____________________________________________________________________________________________ 二、词汇运用 1. The Pacific is the largest _______(海洋) in the world. 2. We must take _______(行动) to stop people from cutting down too many trees. 3. About 70 percent of the Earth's _______(表面) is covered with water. 4. Don't _______(污染) the lake, or the living things in it will be in danger. 5. Among the seven _______(大洲), Africa is the second largest. 6. It's wise to _______(回收) glass bottles to make new ones. 7. The _______(south) part of China is usually warmer in winter. 8. We are trying our best _______(protect) the endangered animals on Earth. 9. After the rain, the whole mountain _______(cover) with green trees and colourful flowers. 10. If we don't save water, there will be _______(little) fresh water for us to drink. 11. Last week, our teacher _______(divide) our class into four groups for the project. 12. The _______(pollute) from factories makes the air dirty and unhealthy. 13. Everyone should realize the _______(important) of saving natural resources. 14. In some poor areas, people still don't have enough safe _______(drink) water. 15. It's our duty _______(keep) the Earth clean and beautiful for future generations. 三、单项选择 ( )1. About three quarters of the Earth's surface _______ covered by water. A. is B. are C. was D. were ( )2. We should _______ waste into different groups so that we can recycle some of it. A. divide B. connect C. mix D. take ( )3. -Do you know the place _______ we can see many kinds of sea animals? -Yes, it's the ocean park. A. who B. where C. which D. when ( )4. Too much plastic waste will _______ the ocean and harm sea creatures. A. help B. protect C. pollute D. save ( )5. We can reduce waste _______ using reusable bags instead of plastic ones. A. by B. with C. for D. from 四、首字母填空 The Earth is our only home in the universe. It is a beautiful blue planet. About 70% of its s 1_______ is covered by water, while the other 30% is land. There are seven large c 2_______ and four big o 3_______ on the Earth. Now, the Earth is in trouble. People cut down millions of trees every year, p 4_______ rivers and seas with waste, and use too much energy. These actions make the Earth sick. We need to take a 5_______ right away to protect it. For example, we can r 6 _______paper and plastic, plant more trees, and turn off lights when leaving rooms. Every small thing we do helps. If everyone takes care of the Earth, it will become more b 7_______ . Protecting the Earth is not just for us, but also for all the l 8_______ things living on it, and for the f 9_______ generations. Let's start now and make a d 10_______ . 1.________ 2.________ 3.________ 4.________ 5._________ 6.________ 7.________ 8.________ 9.________ 10._________ 五、书面表达 假设你们学校英文报正在举办以“保护地球”为主题的征文活动，请根据以下问题，以“How to Protect Our Earth”为题，写一篇英语短文投稿。 1. What problems is the Earth facing now? 2. What can we do to protect it in our daily life? 3. Why is it important to protect the Earth? 要求：1. 短文需包含所有问题要点，并适当发挥；2. 词数100左右。 How to Protect Our Earth ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ ____________________________________________________________________________________________ 参考答案 一、翻译 1. About 70 percent of the Earth's surface is covered with water. 2. We should take action to protect our Earth right away. 3. Asia is the largest continent in the world. 4. People divide the Earth into seven continents and four oceans. 5. A lot of rubbish goes into the ocean and harms sea creatures. 6. We can recycle paper to save tree resources. 二、词汇运用 1. ocean 2. action 3. surface 4. pollute 5. continents 6. recycle 7. southern 8. to protect 9. is covered 10. less 11. divided 12. pollution 13. importance 14. drinking 15. to keep 三、单项选择 1. A 2. A 3. B 4. C 5. A 四、首字母填空 1. surface 2. continents 3. oceans 4. pollute 5. action 6. recycle 7. beautiful 8. living 9. future 10. difference 五、书面表达 How to Protect Our Earth Now the Earth is facing many serious problems. People pollute rivers and oceans, cut down too many trees, and waste lots of energy. These make the environment worse and worse. We can do many things to protect it in daily life. For example, we can recycle paper and plastic, use reusable bags instead of plastic ones, and turn off lights when we leave rooms. Planting more trees is also a good way to make the air clean. Protecting the Earth is important because it's our only home. If we don't take action now, we'll lose this beautiful planet. Let's work together to keep the Earth clean and green. 学科网（北京）股份有限公司 $