Unit 5 The power of plants 单元测试 2026-2027学年外研版初中英语七年级上册

Unit 5 The power of plants 单元测试卷

（不含听力，满分：120 分 考试时间：90 分钟）

班级：________ 姓名：________ 得分：__________

一、完形填空（共 10 小题，每小题 2 分，满分 20 分）

Last term, our school started a "Green Club" for students who love plants. I 1 ______ it at once because I’ve always wanted to learn how to grow my own vegetables.

Every Friday afternoon, we met in the school garden. Our teacher first 2 ______ us about different plants and their needs. Then we started to grow tomato seeds. We put the seeds in small pots with rich soil (土壤) and 3 ______ them every day.

After two weeks, small green shoots (芽) came out. We were so excited! When the plants grew a little taller, we 4 ______ them into bigger pots. Our teacher told us that plants need enough sunlight, so we put the pots 5 ______ the window in the classroom.

One month later, flowers appeared on the tomato plants. We learned that bees help plants make fruit. Soon, small green tomatoes started to grow. We kept 6 ______ the plants and removing the dry leaves.

At the end of the term, we picked our first red tomatoes. They were small but very sweet. We shared them with our classmates. I 7 ______ a lot about how plants grow and why they are important to us. Now I grow some herbs (香草) on my balcony at home. I hope to 8 ______ more plants next year.

Plants give us food, oxygen and beauty. It’s 9 ______ to watch them grow day by day. I believe everyone should try to grow 10  ______small. It’s a fun and meaningful experience.

1．A．joined B．left C．refused D．forgot

2．A．asked B．taught C．answered D．warned

3．A．fed B．cut C．watered D．pulled

4．A．moved B．threw C．turned D．knocked

5．A．under B．beside C．behind D．above

6．A．talking B．watching C．touching D．testing

7．A．missed B．remembered C．learned D．heard

8．A．buy B．sell C．find D．grow

9．A．boring B．funny C．exciting D．difficult

10．A．everything B．something C．anything D．nothing

二、单项填空（共 10 小题；每小题 2 分，满分 20 分）

从每小题所给的 A、B、C、D 四个选项中选出一个可以填入空白处的最佳选项。

1. Plants ______ oxygen for us to breathe every day.

A. produce B. protect C. provide D. prepare

2. ______ are the parts of a plant that grow under the ground and take in water.

A. Leaves B. Stems C. Roots D. Flowers

3. There ______ a lot of trees and flowers in our school garden.

A. is B. are C. was D. were

4. —Look at this big tree! It ______ be over 100 years old.

—Wow, it’s really old and strong.

A. can’t B. might C. must D. need

5. My little sister enjoys ______ flowers in her free time.

A. grow B. grows C. growing D. to grow

6. The leaves of this plant are ______ than those ones. They look much greener.

A. beautiful B. more beautiful C. most beautiful D. the most beautiful

7. —Do you know ______ plants help clean the air?

—Yes, they take in harmful gases and release oxygen.

A. why B. how C. where D. when

8. I planted some sunflower seeds last week, but ______ has come out yet.

A. something B. anything C. nothing D. everything

9. —Let’s go to the botanical garden (植物园) this weekend.

—______ I really want to see the rare plants there.

A. No problem! B. Not really. C. I don’t think so. D. It’s up to you.

10. Plants need sunlight, water ______ soil to grow well.

A. but B. so C. and D. or

三、阅读理解（共 15 小题，每小题 2 分，满分 30 分）

阅读以下三篇短文，从每小题所给的四个选项中，选出一个与短文内容相符的最佳选项。

(A)

Plants are very important to our planet and our lives. Here are five key things they do for us:

1. Produce oxygen: Plants take in carbon dioxide and release oxygen through photosynthesis (光合作用). Without plants, we couldn’t breathe fresh air.

2. Provide food: Almost all the food we eat comes from plants, either directly (like fruits and vegetables) or indirectly (like meat from animals that eat plants).

3. Make medicine: Many medicines are made from plants. For example, aspirin comes from the bark of willow trees.

4. Build homes: Wood from trees is used to make houses, furniture and paper.

5. Keep the environment healthy: Plants help stop soil erosion (水土流失) and keep rivers clean. They also make our cities more beautiful and cool down the air in summer.

We should protect plants and grow more of them to keep our planet healthy.

1. What do plants take in through photosynthesis?

A. Oxygen. B. Carbon dioxide. C. Water. D. Sunlight.

2. Which of the following food comes indirectly from plants?

A. Apples. B. Carrots. C. Beef. D. Rice.

3. Where does aspirin come from?

A. The leaves of apple trees. B. The bark of willow trees.

C. The roots of tomato plants. D. The flowers of sunflowers.

4. How do plants help keep the environment healthy?

A. They stop soil erosion. B. They cool down the air in summer.

C. They keep rivers clean. D. All of the above.