2025年暑期鲁教版九年级全册Unit 8 We're trying to save the earth!重点知识训练（含答案）

2025暑期鲁教版九年级英语Unit 8 We're trying to save the earth!重点知识训练
一、用括号内所给单词的适当形式填空
1. Two ______ (policeman) are investigating the strange pollution - related case near the river.
2. The howling of ______ (wolf) in the forest made the villagers feel ______ (uneasy).
3. Scientists in the ______ (laboratory) are researching ways to recycle ______ (harm) chemicals.
4. It's important to do outdoor activities ______ (outdoors) to enjoy fresh air instead of staying indoors.
5. Remember to wear your ______ (coat) when you go to the ______ (wood) area, as it gets cold there.
6. He used to be a heavy smoker but now he ______ (change) his lifestyle to protect the environment.
7. After a long day of environmental protection work, the volunteers felt ______ (sleepy) but fulfilled.
8. The new eco - friendly plane is designed to ______ (land) with less energy consumption.
9. Some people believe that ______ (alien) might help us solve environmental problems in science - fiction stories.
10. The environmental monitoring team is ______ (run after) the source of the polluted water.
11. This ______ (suit) made of recycled materials is both stylish and eco - friendly.
12. Artists often ______ (express) their concern for the earth through their works.
13. We should plant trees and reduce waste ______ (at the same time) to save the earth.
14. Please ______ (circle) the key points about environmental protection in the text.
15. ______ (Britain) environmental policies have influenced many countries.
16. The ______ (mystery) of disappearing forests attracts many ______ (scientist) to study.
17. The environmental protection organization ______ (receive) a large donation for tree - planting projects.
18. As a ______ (historian), he studies how ______ (human) have impacted the environment in history.
19. The ancient ______ (temple) was built with materials that are friendly to the environment.
20. The ______ (leader) of the environmental group ______ (warn) us about the danger of plastic pollution.
二、根据首字母及句意补全单词
1. The p______ air quality alarms us to take action for environmental protection.
2. We must p______ the earth from further pollution by reducing waste.
3. H______ gases from factories are one of the main causes of air pollution.
4. R______ paper can save a large number of trees.
5. The f______ by the sea often dump waste water, polluting the ocean.
6. Don't t______ litter everywhere; put it in the trash bin.
7. The w______ furniture in the park is made of recycled wood.
8. He u______ to drive to work every day, but now he rides a bike.
9. S______ around the world are working on new energy solutions.
10. Using g______ bags instead of plastic ones is a good way to protect the environment.
三、语法专练（考查时态、固定搭配、非谓语动词等）
1. By the time we start the project, they ______ (complete) the environmental survey.
2. She is used to ______ (collect) waste materials for recycling.
3. ______ (not throw) waste into the river; it violates environmental protection laws.
4. The workers kept ______ (repair) the polluted water treatment equipment.
5. The news of the new environmental policy made him ______ (feel) hopeful.
6. I'd like ______ (join) the volunteer group for beach clean - up.
7. They were late because their car ______ (break) down on the way to the environmental conference.
8. By the end of next year, we ______ (plant) one million trees.
9. She was happy ______ (be) part of the environmental protection campaign.
10. The discovery of new recycling technology led to old methods ______ (replace).
四、根据汉语意思完成句子
1. 我们正在努力阻止工厂污染河流。
We're trying ______ ______ factories ______ ______ the rivers.
2. 回收利用是拯救地球的关键。
______ is the key ______ ______ the earth.
3. 到去年年底，他们已经种了500棵树。
By the end of ______ ______, they ______ ______ 500 trees.
4. 这种有害的化学物质对环境有很大影响。
This ______ chemical ______ ______ ______ ______ the environment.
5. 我们应该教育孩子们关心地球。
We should ______ children ______ ______ ______ the earth.
6. 同时，我们需要减少能源消耗。
______ ______ ______ ______, we need to reduce energy consumption.
7. 所有的塑料袋都应该被禁止使用。
All the plastic bags should ______ ______ ______.
8. 他过去常常开车旅行，但现在他选择坐火车。
He ______ ______ travel by car, but now he chooses to take the train.
9. 科学家们正在寻找保护野生动物的新方法。
The scientists are ______ ______ new ways ______ ______ wild animals.
10. 这个组织的领导警告我们海洋污染的危险。
The ______ of the organization ______ us ______ the danger of ocean pollution.
五、句型转换
1. We're trying to save the earth by reducing waste.（对划线部分提问）
______ ______ you trying to save the earth
2. The polluted river is a threat to the local ecosystem.（对划线部分提问）
______ ______ the polluted river
3. They have planted many trees in the forest.（改为被动语态）
Many trees ______ ______ ______ by them in the forest.
4. She turns off the lights to save electricity.（改为否定句）
She ______ ______ off the lights to save electricity.
5. The factory produces a lot of harmful waste.（对划线部分提问）
______ ______ the factory produce
6. He walks to work to reduce carbon emissions.（对划线部分提问）
______ ______ he walk to work
7. They will complete the environmental project by next month.（对划线部分提问）
______ ______ they complete the environmental project
8. Protecting the earth is very important.（改为感叹句）
______ ______ protecting the earth is!
9. The plastic bags are harmful to the environment.（对划线部分提问）
______ ______ the plastic bags
10. He was educated to care about the environment at school.（对划线部分提问）
______ ______ he educated to care about the environment
答案
一、用括号内所给单词的适当形式填空
1. policemen 2. wolves; uneasy 3. laboratory; harmful 4. outdoors 5. coat; wooded
6. has changed 7. sleepy 8. land 9. aliens 10. running after 11. suit 12. express
13. at the same time 14. circle 15. British 16. mystery; scientists 17. received
18. historian; humans 19. temple 20. leader; warned
二、根据首字母及句意补全单词
1. poor 2. protect 3. Harmful 4. Recycling 5. factories 6. throw 7. wooden 8. used
9. Scientists 10. green
三、语法专练
1. will have completed 2. collecting 3. Don't throw 4. repairing 5. feel 6. to join
7. broke 8. will have planted 9. to be 10. being replaced
四、根据汉语意思完成句子
1. to prevent; from polluting 2. Recycling; to saving 3. last year; had planted
4. harmful; has a great impact on 5. educate; to care about 6. At the same time
7. be banned from use 8. used to 9. looking for; to protect 10. leader; warned; about
五、句型转换
1. How are 2. What is 3. have been planted 4. doesn't turn 5. What does 6. Why does 7. When will 8. How important 9. How are 10. Where was