Unit 1 The Changing World Section A (2a～3d) 同步训练 2026-2027学年英语人教版九年级上册

Unit 1 The Changing World Section A (2a~3d) 分层训练

（2026-2027学年人教版九年级上册）

【基础达标】

一、根据汉语提示填写单词

1. The ________ (人口) of this city has reached over 5 million in the past ten years.

2. The number of private cars continues to ________ (增加) quickly, which brings more traffic problems.

3. Air ________ (污染) is one of the most serious challenges we need to face now.

4. It's important for us to find ways to ________ (解决) the water shortage problem.

5. The rapid ________ (发展) of technology has changed our daily life greatly.

二、用所给词的适当形式填空

1. Our teacher taught us how ________ (deal) with the waste in our daily life.

2. The government encourages people ________ (not cut down) too many trees.

3. Watching documentaries makes us ________ (understand) more about the world's changes.

4. It takes years of hard work ________ (improve) the local environment.

5. My uncle ________ (visit) more than 10 cities to study their development so far.

三、根据题后要求做题（每空一词）

1. The government builds more parks to make the city more beautiful. (对画线部分提问)

________ ________ the government build more parks?

2. The factory is reducing the amount of waste it produces. (改为一般疑问句)

________ the factory ________ the amount of waste it produces?

3. The city started the recycling program in 2018. (对画线部分提问)

________ ________ the city start the recycling program?

4. The river looks clean and clear now. (改为否定句)

The river ________ ________ clean and clear now.

5. It's important to protect the environment around us. (同义句转换)

________ the environment around us is important.

【能力提升】

四、补全对话

根据下面的对话情景，在每个空白处填入一个合适的句子，使对话的意思连贯、完整。

A: Hi, Li Jun! You're looking at some reports carefully. 1. ________?

B: I'm doing a survey about the changes in our city over the past five years.

A: Changes in our city? That sounds interesting.

B: Yeah. But when I first started, 2. ________ to collect enough data. Luckily, my teacher gave me a lot of help.

A: 3. ________?

B: My geography teacher. He has studied urban development for many years.

A: 4. ________?

B: I spend about two hours on this survey every weekend.

A: That's really meaningful! 5. ________?

B: Of course! You can help me interview some local residents tomorrow.

A: Great! I'd love to.

五、语篇填空

第一节

阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。

change  population  pollute  solve  develop  start  improve  learn  because  show

Our world is going through huge 1. ________. In many countries, the 2. ________ is growing fast, which brings more pressure on resources. Some factories used to 3. ________ the air and water heavily. To tackle these problems, governments have 4. ________ many programs. For example, in our city, they started a tree-planting project three years ago. After years of efforts, the environment has 5. ________ a lot.

Many students are interested in 6. ________ about these changes. They join environmental clubs to help 7. ________ the problems. They believe it's necessary 8. ________ a green lifestyle 9. ________ it can help protect the earth. These activities also 10. ________ that everyone can make a difference.

第二节

阅读短文，根据语篇要求填空，使短文通顺、意思完整，每空限填一词。

Many people are worried about the changing world. For Mike, studying urban development is more than a task—it's a way to find solutions. He spends time on research every day 1. ________ he