《2025年新课程学习与检测九年级英语全一册人教版》

B
Do you know what a landform(地貌) is? We use landforms to describe the earth’s surface, such as a mountain, or an island. Landforms are shaped by different forces of nature, such as wind, water and ice. Landforms can also be influenced by human activities, such as farming, mining(采矿), building, and pollution.
26. G. For example, people can build dams(水坝) to create lakes for water and power using. People can also plant trees to protect the land and create homes for animals.
However, some human activities can hurt the landforms and cause problems to the environment and people’s lives.
27. E. Cities take away animals’ homes and make it harder for plants to grow. This can increase the risk of floods. Farming is another way people hurt the environment. Farmers need to grow food, but they might hurt the soil and water. Using too many chemicals and not watering in a smart way can make the environment worse.
28. C. People need lots of things from the earth, but mining can hurt the land.
Therefore, we should care about the landforms and protect them from harm. Landforms are important for many reasons. They provide us with natural resources. They also influence the weather of different areas. 29. D.
We can protect the landforms by using them wisely. We can reduce our use of natural resources and use renewable energy. We can also recycle and reuse materials to reduce waste and pollution. Another way is to build things like parks and wetlands, 30. F.
By protecting the landforms, we are not only protecting the earth’s beauty, but also our own future.
A. but we can do about it
B. Landscapes were amazing things in the past
C. Mining is the third way people hurt landforms
D. Besides, they also offer us beautiful scenes for tourism
E. For example, people cut down forests for development
F. and use them to help stop floods and give animals home
G. Some human activities can change the landforms in positive ways

答案： 26.G 27.E 28.C 29.D 30.F