Unit8Lesson1课后练习 2025-2026学年冀教版英语七年级下册
冀教版（新）七年级下英语Unit 8 Lesson 1“Why are plants important?”
课后练习题
建议完成时间：30分钟
一、核心单词（根据汉语或首字母提示写出单词）
1. 森林 (n.) ________
2. 新鲜的 (adj.) ________
3. 药物；医学 (n.) ________
4. 衣服 (n.) ________
5. 水果 (n.) ________
6. 蔬菜 (n.) ________
7. 叶子 (n.) ________
8. 土壤 (n.) ________
9. 风 (n.) ________
10. 水 (n.) ________
11. 循环 (n.) ________
12. 自然 (n.) ________
13. 覆盖 (v.) ________
14. 带走；搬走 (v.) ________
15. 重要的 (adj.) ________
二、词形变化
1. nature (形容词，自然的) ________
2. important (名词，重要性) ________
3. produce (名词，产品) ________
4. beauty (形容词，美丽的) ________
5. medicine (形容词，医学的) ________
6. cover (过去式) ________
7. carry (过去式) ________
8. breathe (名词，呼吸) ________
9. live (形容词，活的) ________
三、核心短语（写出下列短语的英文）
1. 对……重要 ________
2. 清洁空气 ________
3. 给我们食物 ________
4. 由植物制成 ________
5. 在森林里 ________
6. 吃树叶和果实 ________
7. 在水循环中起作用 ________
8. 覆盖土壤 ________
9. 把土壤带走 ________
10. 使世界看起来美丽 ________
11. 没有植物就无法生存 ________
四、根据提示完成单词（根据句意和首字母或汉语提示补全单词）
1. I love the f________.
2. The air is f________.
3. Trees and other plants are i________ for us.
4. Plants c________ the air.
5. They give us food like f________ and v________.
6. Some m________ and clothing are also m________ from plants.
7. Many animals l________ in the forest.
8. Animals eat l________ and fruits from the trees.
9. Plants play a part in the water c________.
10. They c________ the soil.
11. The wind and water don’t c________ the soil away.
12. Plants make the world look b________.
五、用所给词的适当形式填空
1. The air is ________ (freshly).
2. Trees and other plants are ________ (importance) for us.
3. Plants clean the ________ (air). 
参考答案
一、核心单词
1. forest
2. fresh
3. medicine
4. clothing
5. fruit
6. vegetable
7. leaf
8. soil
9. wind
10. water
11. cycle
12. nature
13. cover
14. carry
15. important
二、词形变化
1. natural
2. importance
3. product
4. beautiful
5. medical
6. covered
7. carried
8. breath
9. living
三、核心短语
1. be important for
2. clean the air
3. give us food
4. be made from plants
5. in the forest
6. eat leaves and fruits
7. play a part in the water cycle
8. cover the soil
9. carry the soil away
10. make the world look beautiful
11. can’t live without plants
四、根据提示完成单词
1. forest
2. fresh
3. important
4. clean
5. fruits, vegetables
6. medicine, made
7. live
8. leaves
9. cycle
10. cover
11. carry
12. beautiful
五、用所给词的适当形式填空
1. fresh
2. important
3. air
4. vegetables
5. clothing
6. animals
7. fruits
8. cycle
9. soil
10. beautiful
11. can’t