《2025年学习之友七年级英语上册外研版》

Ⅴ. 阅读理解。
Beavers are amazing animals known for their good engineering skills to change their living environment. As one of the largest rodents (啮齿动物), beavers mainly live in Europe.
1. Physical Appearance (体态)
Beavers have a strong, streamlined (流线型的) body that makes them swim well. They are covered in waterproof (防水的) fur that keeps them dry both on land and in water.
2. Building Experts (专家)
Beavers are skilled builders, famous for their ability to dam up (修建水坝) by using branches, mud and rocks. These dams not only create deep-water habitats (栖息地), protecting them from wolves, foxes, etc, but also benefit other wildlife by creating wetland ecosystems (生态系统).
3. Diet and Eating Habits
Beavers feed mainly on the barks and twigs (细枝) of trees. They use their strong front teeth to cut down small trees. This activity not only provides food but also helps keep a healthy forest ecosystem.
4. Social Behavior
Beavers are social animals, living in family groups. They work together to make their lodge (窝), with each member collecting building materials and gathering food.
(B)1. Where do Beavers mainly come from?
A. Asia.
B. Europe.
C. North America.
D. South America.
(A)2. What is the waterproof fur of beavers used for?
A. Keeping them dry both on land and in water.
B. Helping them swim well.
C. Making them beautiful.
D. Keeping them warm.
(C)3. What food do beavers often feed on?
A. Fruits and vegetables.
B. Leaves.
C. Barks and twigs of trees.
D. Fishes.
(B)4. How do beavers dam up according to the passage?
A. By using bricks.
B. By using branches, mud and rocks.
C. By using stones.
D. By using plastics and woods.

答案： 1—4:BACB