Unit 5 A fine balance 单元词汇训练 2026-2027学年外研版英语九年级上册

Unit 5 A fine balance 单元词汇练习

一、单项选择

1．We should keep a good ________ between work and life to stay healthy.

A．balance B．promise C．record D．secret

2．Many wild species are ________ now because of human activities.

A．in public B．in danger C．in common D．in surprise

3．Overuse of plastic ________ serious water pollution in many rivers and oceans.

A．leads to B．turns to C．belongs to D．adds to

4．It is our duty to ________ endangered animals from being killed.

A．hunt B．protect C．watch D．feed

5．—I think we should reduce the use of single-use products to protect the environment.

—I totally ________ you.

A．get along with B．agree with C．catch up with D．come up with

6．If we don't ________ immediately, many rare animals will disappear forever.

A．take action B．give out C．show up D．grow up

7．________ climate change, many arctic animals are losing their living areas.

A．Instead of B．According to C．Because of D．In front of

二、单词拼写

8．Human activities have broken the natural ________ (平衡) of many ecosystems.

9．The bamboo forest provides a perfect ________ (栖息地) for giant pandas.

10．Air ________ (污染) has become a serious problem that affects both humans and wild animals.

11．Scientists say there are millions of different plant ________ (物种) that we haven't discovered yet.

12．Many plants have d________ out because of the climate change.

13．Farmers used too many chemical f________ on crops, which polluted the underground water.

14．Environmental ________ (保护) is necessary for the long-term development of humans.

三、完成句子

15．由于森林砍伐，很多野生动物正处于危险中。

Many wild animals ________ ________ ________ because of deforestation.

16．我们都知道保持自然界平衡的重要性。

We all know the importance of keeping ________ ________ ________.

17．政府已经采取行动来阻止人们猎杀野生老虎。

The government has already ________ ________ to stop people from hunting wild tigers.

18．过度砍伐树木导致了这一地区的洪水灾害。

Cutting down too many trees ________ ________ the flood disaster in this area.

19．越来越多的年轻人开始关注环境保护。

More and more young people have begun to ________ ________ ________ environmental protection.

20．许多植物和动物已经在地球上灭绝了。

Many kinds of plants and animals have ________ ________ on the Earth already.

四、选词填空

用方框里单词的适当形式填空。

Keeping a fine balance between human progress and nature protection is the key to a better future. In the past century, rapid industrial growth has 21________ many natural areas. Many rare animal 22________ have lost their natural 23________ and some have 24________ completely. The damaged 25________ also brings many natural disasters to humans. Now more people have realized the problem, so governments around the world have taken serious 26________ to repair the environment. We also try to 27________ more people to join in the work of 28________ our planet. If we can 29________ a fine 30________ between development and protection, all living things on Earth will benefit a lot.

五、完形填空

请通读下面短文，掌握其大意，从每小题所给的四个选项中选出一个最佳答案，并在答题卡上将对应选项涂黑。

The Changbai Mountains is a wonderful natural reserve in northeast China. It used to be a perfect home for many rare wild animals. In the 1980s, people wanted to cut down more trees to get more wood and 31________ the local economy. As more trees were cut down, the natural environment changed greatly. The Siberian tigers, which once lived here, lost their 32________ and food. The number of tigers dropped quickly and they almost died 33________.

Later, people realized that the forest ecosystem plays a very important role in 34________ the natural balance not only for wild animals but also for humans. The government then made rules to stop tree cutting and started to replant trees to 35________ the forest. After years of efforts, the forest has gradually recovered. Now, the number of wild  Siberian tigers is increasing slowly. This story tells us that humans should 36________ the rules of nature. When we  damage the balance of nature, we will finally hurt 37________. Only when we live in harmony with nature can we 38________ a healthy and sustainable world. Keeping a fine balance between human needs and nature protection is the 39________ way to get a bright 40________ for all living things on our planet.

31．A．harm B．develop C．control D．change

32．A．habitats B．chances C．freedom D．safety

33．A．away B．off C．out D．down