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译林版八年级上册Unit7 The natural world词汇强化专项训练
一、根据句子中首字母提示完成填空。
The ocean c______ about 71% of the earth's surface.
Wetlands help get r______ of pollution and make the water clean.
Forests are often called the "l______" of the earth because they can clean the air.
In deserts, the difference in t______ between day and night is very large.
The polar ice is h______ to animals like polar bears and penguins.
Coral r______ look like rocks, but they are actually living things.
Grasslands often l______ between deserts and forests.
The climate in some deserts is so a______ that few plants can grow there.
We should take action to p______ the natural world from being polluted.
Ecosystems can be of different s______, from small ponds to large grasslands.
The plants in wetlands can s______ a lot of water during heavy rains.
Many animals in the desert get water from the plants that k______ water in their leaves.
Oceans produce about 70% of the earth's o______.
Wetlands are home to about 40% of the world's plants and a______.
The Amazon Rainforest is home to thousands of different kinds of w______.
It's very dry in deserts because there's little r______.
Scientists are working hard to s______ the environmental problems.
The government has set up laws to p______ wildlife.
The p______ of the animals in the forest is getting smaller because of human activities.
We should reduce waste to protect the e______.
The r______ of the trees in the forest helps clean the air.
The Great Barrier Reef is the largest coral reef s______ in the world.
The d______ of the ocean is still a mystery to us.
The t______ of the water in the lake is too cold for swimming in winter.
The w______ in this area is very rich in wildlife.
The c______ in this region is suitable for growing a lot of crops.
The s______ of the wetlands is very important for the whole ecosystem.
We need to raise people's a______ of environmental protection.
The i______ of humans on the ecosystem is becoming more and more serious.
The p______ of the earth is getting warmer because of global warming.
二、用括号里单词的正确形式完成句子。
An ecosystem includes all the ______ (live) and non - living things in an area.
The ocean is a very large ecosystem, and it ______ (cover) a large part of the earth's surface.
Wetlands help ______ (get) rid of pollution and make the water clean.
Forests are important because they can take in carbon dioxide and ______ (produce) oxygen.
Each of these ecosystems ______ (support) millions of plants and animals.
Coral reefs look like rocks, but they are actually living things that have tiny tentacles ______ (catch) food.
Grasslands in different places are home to different ______ (animal).
The climate in deserts is so awful that only a few ______ (plant) and animals can live there.
The desert plants keep water in their thick ______ (leaf) or stems.
Many animals in the desert get water from these plants and they have special ways ______ (survive).
The ocean water ______ (rise) to the sky, falls onto the land and then returns to the ocean.
Wetlands store water like giant ______ (sponge) during heavy rains.
People often call forests the "lungs" of the earth because they can trap ______ (harm) things in their leaves.
The Amazon Rainforest is home to thousands of different kinds of wildlife, and it plays an important role in ______ (keep) the balance of the earth's ecosystem.
However, the Amazon Rainforest is ______ (face) many problems now, such as deforestation.
We should do something ______ (protect) the natural world.
The polar ice is home to animals like polar bears and penguins, and these animals have special adaptations ______ (live) in the cold environment.
The ice in the polar regions is ______ (melt) at an alarming rate because of global warming.
The Great Barrier Reef is the largest coral reef system, but it is ______ (harm) by ocean pollution.
To protect the Great Barrier Reef, we need ______ (reduce) pollution and slow down global warming.
The plants in the forest can help ______ (clean) the air by taking in carbon dioxide.
We must take steps ______ (prevent) the ecosystem from being destroyed.
The number of wild animals is ______ (decrease) because of human activities.
The government has made laws to stop people from ______ (hunt) wild animals.
Scientists are doing research ______ (find) out more about the ecosystem and how to protect it.
The wetland area is becoming smaller, which makes it more difficult for the birds ______ (find) enough food.
We should plant more trees to make the environment ______ (good).
The pollution in the river is ______ (make) the water dirty and harmful to the fish.
The destruction of the forest will ______ (cause) many problems, such as soil erosion.
The students are interested in ______ (learn) about different ecosystems.
The teacher asked us ______ (write) an article about protecting the environment.
It's important for us ______ (save) water and electricity in our daily life.
The little girl was ______ (frighten) when she saw the big dog.
The movie about the ecosystem is so ______ (interest) that I want to watch it again.
The news that the forest was on fire made us very ______ (sad).
三、用括号里中文提示及句意完成句子。
The ocean is a very large ______（生态系统）on earth.
Wetlands only cover about 6% of the earth's land area, but they are home to many plants and ______（动物）.
Forests make up nearly a third of the earth's land area and they can take in ______（二氧化碳）and produce oxygen.
Coral reefs look like rocks, but they are actually living things that have tiny ______（触须）to catch food.
Grasslands often lie between deserts and forests, and in Inner Mongolia, there are horses and cows, while in Africa, there are lions and ______（长颈鹿）.
The climate in deserts is very ______（糟糕的）, with little rainfall and a large temperature difference between day and night.
The desert plants keep water in their thick ______（叶子）or stems to survive in the dry environment.
Many animals in the desert have special ______（方式）to get water and survive the harsh conditions.
The ocean water ______（上升）to the sky, falls onto the land and then returns to the ocean in a continuous cycle.
Wetlands can store water like giant ______（海绵）during heavy rains and help prevent floods.
People often call forests the "lungs" of the earth because they can trap ______（有害的）things in their leaves and clean the air.
The Amazon Rainforest is home to thousands of different kinds of ______（野生动物）, and it is very important for the balance of the earth's ecosystem.
However, the Amazon Rainforest is ______（面临）many problems now, such as deforestation and illegal logging.
We should take action to ______（保护）the natural world and keep the ecosystem balanced.
The polar ice is home to animals like polar bears and ______（企鹅）, and these animals have special adaptations to live in the cold polar regions.
The ice in the polar regions is ______（融化）at an alarming rate due to global warming, which is a great threat to the polar animals.
The Great Barrier Reef is the largest coral reef system in the world, but it is being ______（损害）by ocean pollution and climate change.
To protect the Great Barrier Reef, we need to ______（减少）pollution and slow down global warming.
The plants in the forest can help ______（净化）the air by taking in carbon dioxide and releasing oxygen.
We must take steps to ______（阻止）the ecosystem from being destroyed by human activities.
The number of wild animals is ______（减少）because of habitat loss and over - hunting.
The government has made laws to stop people from ______（捕猎）wild animals and protect their habitats.
Scientists are doing research to ______（找出）more about the ecosystem and how to protect it.
The wetland area is becoming smaller, which makes it more difficult for the birds to ______（找到）enough food and suitable places to live.
We should plant more trees to make the environment ______（更好）and protect the ecosystem.
The pollution in the river is ______（使）the water dirty and harmful to the fish and other aquatic life.
The destruction of the forest will ______（导致）many problems, such as soil erosion, floods and the loss of biodiversity.
The students are interested in ______（学习）about different ecosystems and how they work.
The teacher asked us to ______（写）an article about protecting the environment and the importance of ecosystems.
It's important for us to ______（节约）water and electricity in our daily life to reduce our impact on the environment.
The little girl was ______（害怕）when she saw the big dog running towards her.
The movie about the ecosystem is so ______（有趣的）that it attracts a lot of people to watch it.
The news that the forest was on fire made us very ______（难过）because it means the destruction of the ecosystem.
We should raise people's ______（意识）of environmental protection and encourage them to take action to protect the natural world.
The ______（影响）of humans on the ecosystem is becoming more and more serious, and we need to take measures to reduce it.
四、根据短文内容及括号里单词的正确形式填空。
第一篇
The natural world is made up of many different ecosystems. Each ecosystem is important and they all depend on each other.
Forests are one of the most important ecosystems. They 1.______ (provide) oxygen for us to breathe. They also 2.______ (serve) as homes for many animals and plants. The trees in the forest can 3.______ (absorb) carbon dioxide and 4.______ (release) oxygen, which helps to keep the air clean. In addition, forests can prevent soil erosion and 5.______ (regulate) the climate.
However, forests are 6.______ (face) many problems now. People are cutting down trees for wood, farming and building. This 7.______ (destroy) the habitats of many animals and plants. It also makes the soil weak and easy to be washed away by rain. What's more, forest fires, which are sometimes caused by human activities, can 8.______ (damage) large areas of forests.
To protect forests, we should stop 9.______ (cut) down trees illegally. We can also plant more trees and support organizations that work to protect forests. Only in this way can we keep the forest ecosystem 10.______ (health) and make our earth a better place.
第二篇
Oceans are another important ecosystem. They cover a large part of the Earth's 1.______ (surface). Oceans are home to many kinds of sea life, from small 2.______ (plankton) to large whales. The ocean plays a crucial role in the earth's climate system. It can 3.______ (store) a large amount of heat and carbon dioxide, which helps to regulate the global climate.
Coral reefs are an important part of the ocean ecosystem. They are often called the "rainforests of the sea" because they are home to a great 4.______ (diverse) of marine life. However, coral reefs are 5.______ (threaten) by many factors. Ocean pollution, such as plastic waste and chemical pollutants, can 6.______ (harm) the corals. Rising sea temperatures due to global warming can also cause coral bleaching, which means the corals lose their color and become more 7.______ (vulnerable) to diseases.
To protect the ocean ecosystem and coral reefs, we need to take action. We should reduce plastic waste and 8.______ (control) pollution. We can also support efforts to reduce greenhouse gas emissions to slow down global warming. By 9.______ (take) these steps, we can help to ensure the 10.______ (survive) of the ocean ecosystem and the many species that depend on it.
译林版八年级上册Unit7 词汇强化专项训练答案解析
一、根据句子中首字母提示完成填空.
covers（海洋覆盖地球表面约71%，主语是第三人称单数，用covers）
rid（get rid of是固定短语，意为“去除”）
lungs（森林被称为“地球之肺”，lung用复数形式）
temperature（沙漠昼夜温差大，temperature表示“温度”）
home（be home to是固定短语，意为“是……的栖息地”）
reefs（coral reefs指“珊瑚礁”，用复数形式）
lie（草原常位于沙漠和森林之间，lie表示“位于”）
awful（沙漠气候恶劣，awful意为“糟糕的”）
protect（protect...from...意为“保护……免受……”）
sizes（生态系统有不同规模，size用复数形式）
store（湿地植物能储存大量水分，store表示“储存”）
keep（沙漠植物的叶子储存水分，keep表示“保持”）
oxygen（海洋产生地球约70%的氧气，oxygen是不可数名词）
animals（湿地是动植物的家园，animal用复数形式）
wildlife（亚马逊雨林有多种野生动物，wildlife是不可数名词）
rainfall（沙漠干旱是因为降雨量少，rainfall是不可数名词）
solve（科学家努力解决环境问题，solve表示“解决”）
protect（政府立法保护野生动物，protect表示“保护”）
population（森林动物数量因人类活动减少，population表示“种群数量”）
environment（减少废物以保护环境，environment表示“环境”）
role（森林树木的作用是净化空气，role表示“作用”）
system（大堡礁是最大的珊瑚礁系统，system表示“系统”）
depth（海洋深度仍是谜团，depth表示“深度”）
temperature（湖水冬季温度太低不适合游泳，temperature表示“温度”）
wetland（该地区湿地有丰富野生动物，wetland表示“湿地”）
climate（该地区气候适合种植农作物，climate表示“气候”）
survival（湿地的存活对整个生态系统很重要，survival表示“存活”）
awareness（提高人们的环保意识，awareness表示“意识”）
influence（人类对生态系统的影响日益严重，influence表示“影响”）
planet（地球因全球变暖变热，planet表示“星球”）
二、用括号里单词的正确形式完成句子
living（living things指“生物”，与non-living对应）
covers（主语是第三人称单数，谓语动词用covers）
(to) get（help后接动词原形或不定式，get rid of是固定短语）
produce（与take in并列，用动词原形）
supports（each of...作主语，谓语动词用第三人称单数形式）
to catch（不定式作目的状语，tentacles的作用是捕捉食物）
animals（different后接名词复数，animal的复数是animals）
plants（a few后接可数名词复数，plant的复数是plants）
leaves（leaf的复数是leaves，沙漠植物的叶子储存水分）
to survive（ways to do sth.表示“做某事的方法”，用不定式）
rises（主语是不可数名词，谓语动词用第三人称单数形式）
sponges（sponge是可数名词，用复数形式与giant搭配）
harmful（修饰名词things用形容词harmful，意为“有害的”）
keeping（play a role in后接动名词，keeping表示“维持”）
facing（now提示用现在进行时，be+doing结构）
to protect（不定式作目的状语，“做某事是为了保护……”）
to live（adaptations to do sth.表示“做某事的适应能力”）
melting（is melting表示“正在融化”，用现在进行时）
harmed（被动语态，be+过去分词，harm的过去分词是harmed）
to reduce（need to do sth.表示“需要做某事”）
(to) clean（help后接动词原形或不定式，clean表示“净化”）
to prevent（take steps to do sth.表示“采取措施做某事”）
decreasing（is decreasing表示“正在减少”，用现在进行时）
hunting（stop sb. from doing sth.表示“阻止某人做某事”，用动名词）
to find（不定式作目的状语，“做研究是为了找出……”）
to find（make it+adj.+for sb. to do sth.结构，用不定式）
better（make the environment better表示“使环境更好”，用比较级）
making（is making表示“正在使……”，用现在进行时）
cause（will后接动词原形，cause表示“导致”）
learning（be interested in后接动名词，learning表示“学习”）
to write（ask sb. to do sth.表示“要求某人做某事”，用不定式）
to save（it's important for sb. to do sth.结构，用不定式）
frightened（修饰人用frightened，意为“感到害怕的”）
interesting（修饰物用interesting，意为“有趣的”）
sad（make sb.+adj.结构，sad表示“难过的”）
三、用括号里中文提示及句意完成句子
ecosystem（“生态系统”对应的英文是ecosystem，前面有a修饰，用单数）
animals（“动物”对应的英文是animal，用复数形式与plants并列）
carbon dioxide（“二氧化碳”对应的英文是carbon dioxide，是固定短语）
tentacles（“触须”对应的英文是tentacle，用复数形式）
giraffes（“长颈鹿”对应的英文是giraffe，用复数形式与lions并列）
awful（“糟糕的”对应的英文是awful，修饰climate）
leaves（“叶子”对应的英文是leaf，用复数形式leaves）
ways（“方式”对应的英文是way，用复数形式）
rises（“上升”对应的英文是rise，主语是不可数名词，用第三人称单数）
sponges（“海绵”对应的英文是sponge，用复数形式与giant搭配）
harmful（“有害的”对应的英文是harmful，修饰things）
wildlife（“野生动物”对应的英文是wildlife，是不可数名词）
facing（“面临”对应的英文是face，用现在进行时is facing）
protect（“保护”对应的英文是protect，不定式to后接动词原形）
penguins（“企鹅”对应的英文是penguin，用复数形式与polar bears并列）
melting（“融化”对应的英文是melt，用现在进行时is melting）
harmed（“损害”对应的英文是harm，被动语态用过去分词harmed）
reduce（“减少”对应的英文是reduce，不定式to后接动词原形）
(to) clean（“净化”对应的英文是clean，help后接动词原形或不定式）
prevent（“阻止”对应的英文是prevent，不定式to后接动词原形）
decreasing（“减少”对应的英文是decrease，用现在进行时is decreasing）
hunting（“捕猎”对应的英文是hunt，from后接动名词hunting）
find（“找出”对应的英文是find，不定式to后接动词原形）
find（“找到”对应的英文是find，不定式to后接动词原形）
better（“更好”对应的英文是better，good的比较级）
making（“使”对应的英文是make，用现在进行时is making）
cause（“导致”对应的英文是cause，will后接动词原形）
learning（“学习”对应的英文是learn，in后接动名词learning）
write（“写”对应的英文是write，不定式to后接动词原形）
save（“节约”对应的英文是save，不定式to后接动词原形）
frightened（“害怕”对应的英文是frightened，修饰人）
interesting（“有趣的”对应的英文是interesting，修饰物）
sad（“难过”对应的英文是sad，形容词作宾语补足语）
awareness（“意识”对应的英文是awareness，不可数名词）
influence（“影响”对应的英文是influence，不可数名词）
四、根据短文内容及括号里单词的正确形式填空
第一篇
provide（主语是they，谓语动词用原形，“提供氧气”）
serve（与provide并列，用动词原形，serve as表示“作为”）
absorb（can后接动词原形，“吸收二氧化碳”）
release（与absorb并列，用动词原形，“释放氧气”）
regulate（与prevent并列，用动词原形，“调节气候”）
facing（now提示用现在进行时，be+doing结构）
destroys（主语是this，谓语动词用第三人称单数形式）
damage（can后接动词原形，“破坏大面积森林”）
cutting（stop doing sth.表示“停止做某事”，用动名词）
healthy（keep+宾语+形容词，healthy表示“健康的”）
第二篇
surface（Earth's surface表示“地球表面”，用单数形式）
plankton（plankton是不可数名词，“浮游生物”）
store（can后接动词原形，“储存大量热量”）
diversity（a great diversity of表示“大量的……”，用名词形式）
threatened（被动语态，be+过去分词，“被威胁”）
harm（can后接动词原形，“损害珊瑚”）
vulnerable（more后接形容词，vulnerable表示“易受伤害的”）
control（与reduce并列，用动词原形，“控制污染”）
taking（by后接动名词，“通过采取这些措施”）
survival（the survival of表示“……的存活”，用名词形式）
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