中學(xué)生世界八年級(jí)英語(yǔ)滬教版五四制
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1. Why do factories use water, according to the passage?
A. To give to workers.
B. To water gardens.
C. To cool machines and help make products.
D. To clean rivers.
答案：C
2. What is the first step in cleaning factory wastewater?
A. Adding chemicals.
B. Sending it to homes.
C. Removing big pieces like plastic.
D. Using filters.
答案：C
3. What does the word “wastewater” most likely mean?
A. Water used for cooking.
B. Water that is clean and ready to drink.
C. Water that has been used and is dirty.
D. Rainwater collected in tanks.
答案：C
4. How do new machines in factories help save water?
A. By stopping all water use.
B. By using water only once.
C. By cleaning air.
D. By reusing water again and again.
答案：D
5. Which of the following is NOT true according to the passage?
A. Engineers try to find better ways to clean water.
B. All factories already use no water at all.
C. Some factories change how they work to use less water.
D. People in cities help by raising awareness about water saving.
答案：B
6. What is the main idea of the passage?
A. Factories should not use any water.
B. Everyone should drink more water.
C. Cleaning and saving water in factories is important for the Earth.
D. Plastic is the biggest problem in factories.
答案：C
