Unit 7 The natural world 单元基础练习 2026-2027学年译林版英语八年级上册

Unit 7 The natural world 单元基础练习

学校:___________姓名：___________班级：___________考号：___________

一、翻译

根据下列中文提示，写出正确的英文单词或短语。

1．海洋 ________

2．湿地 ________

3．动物 ________

4．植物 ________

5．保护 ________

6．地球 ________

7．草原 ________

8．沙漠 ________

9．污染 ________

10．环境 ________

11．氧气 ________

12．珊瑚 ________

13．自然保护区 ________

14．鸟 ________

15．自然的 ________

二、用所给单词的正确形式填空

16．The river is ________ (pollute). We should clean it up.

17．In autumn, the weather gets cooler and the green ________ (leaf) start to turn gold.

18．The natural world ________ (provide) us with many resources.

19．We can do many things ________ (protect) the natural world.

20．—We have 60 students in our class. Two ________ (three) of them are boys. How many boys are there?

—Forty, of course.

21．My cousin would like to go outside to enjoy the ________ (nature) world at weekends.

三、选词填空

从方框中选择适当的单词，并用其正确形式填空，使短文完整通顺。

natural, protect, pollution, resource, balance

The     22     world is full of wonders like forests, rivers, and mountains. It provides us with important     23     and keeps the ecosystem in     24    .

However, the natural world is facing problems like     25    . We should     26     it by planting trees, cleaning rivers and not damaging mountains.

四、阅读理解

The ocean is a large and mysterious ecosystem. It covers more than 70% of the earth’s surface.

There are many different kinds of sea animals in the ocean. Some are small, like shrimps, and some are huge, like whales. The ocean also has a wide variety of plants. Seaweed is one of the common plants in the ocean.

The ocean plays an important role in our lives. It provides us with food, like fish and shellfish. It also helps to regulate the earth’s climate.

However, the ocean is being polluted. People are throwing garbage into the ocean, and factories are pouring waste water into it. This is harmful to the sea animals and plants.

We should take action to protect the ocean. We can reduce the use of plastic products, clean up beaches, and support laws to protect the ocean environment.

27．What does the ocean cover?

A．Less than 70% of the earth’s surface.

B．More than 70% of the earth’s surface.

C．About 50% of the earth’s surface.

D．Only a small part of the earth’s surface.

28．What can be found in the ocean?

A．Only sea animals. B．Only sea plants.

C．Both sea animals and plants. D．Nothing.

29．What does the ocean provide us with?

A．Only food. B．Only climate regulation.

C．Both food and climate regulation. D．Nothing useful.

30．What is happening to the ocean?

A．It is getting cleaner.

B．It is being polluted.

C．It is becoming larger.

D．It is becoming smaller.

31．How can we protect the ocean?

A．By using more plastic products.

B．By throwing more garbage into the ocean.

C．By supporting laws to protect the ocean environment.

D．By pouring more waste water into the ocean.

五、任务型阅读

阅读下面短文，根据短文内容回答问题。

Urban Green Spaces: Oases in the City

As cities continue to grow, the need for green spaces has become increasingly important. Parks, community gardens and green roofs provide essential benefits for both the environment and human well-being. Urban green spaces help reduce air pollution, lower temperatures and provide habitats for wildlife.

One of the most significant benefits of green spaces is their ability to absorb carbon dioxide and produce oxygen. Trees and plants act as natural air filters, removing harmful pollutants from the air. This is especially important in cities, where air quality is often poor. A single tree can absorb up to 48 pounds of carbon dioxide per year.

Green spaces also help to reduce the urban heat island effect. Cities are often several degrees warmer than surrounding rural areas because of the heat absorbed by concrete and asphalt. Green spaces provide shade and release moisture through evapotranspiration, which cools the air. This can reduce the need for air conditioning and lower energy consumption.

In addition to environmental benefits, urban green spaces also have social and psychological benefits. They provide places for recreation, relaxation and social interaction. Studies have shown that access to green spaces can reduce stress, improve mental health and increase physical activity.

However, green spaces in cities often face threats from development. It is important for city planners to prioritize the creation and maintenance of green spaces. Community involvement is also crucial. When residents take part in gardening and conservation activities, they develop a stronger connection to their neighbourhood and a greater appreciation for the environment.

32．What are the environmental benefits of urban green spaces? (Give two examples)

                                                       

33．How do green spaces help reduce the urban heat island effect?

                                                       

34．What social and psychological benefits do green spaces provide?

                                                       

35．Why is community involvement important for urban green spaces?

                                                       

36．According to the passage, what is one challenge that urban green spaces face?