请认真阅读下面的短文,根据语篇内容,在空白处填入1个适当的单词或用括号内单词的正确形式填空,使短文通顺、连贯。
A natural treasure
Welcome to the Amazon rainforest! As the(1)______(large)rainforest in the world,it plays an important role in keeping the earth's ecosystem balanced.
The Amazon rainforest(2)______(cross)eight countries and one region.(3)______ an area of about 6 million square kilometres,it's more than half the size of China.The Amazon River,where the rainforest gets(4)______(it)name,is about 6,400 kilometres long.On its way from the mountains to the ocean,the river supports many different ecosystems.
Different levels of the forest support a huge variety of wildlife.Each level is like its own small world,home to different t(5)______(live)things.
Over 2,000 species of birds and mammals hide among the jungle's plants.Take the jaguar(美洲虎)for(6)______.It has a yellowish-brown coat with black spots.Though many jaguars live here,they're just one part of the(7)______(forest)food chain(食物链).There are also some frogs that feed(8)______ insects which eat leaves and fruit.When a jaguar dies,a small group of microorganisms breaks down its body and returns nutrients to the soil.
The Amazon rainforest gives life to the planet by(9)______(take)in carbon dioxide and producing over 20 per cent of all the earth's oxygen.Also,it's a treasure house of species used for food or medicine.But there's a main threat to these precious plants and animals:humans.
As the influence of human activities like agriculture and cattle farming keeps growing,and the list of endangered species gets(10)______(long),we have a question:Can we afford to damage the “ lungs of the planet "?
(1)
A natural treasure
Welcome to the Amazon rainforest! As the(1)______(large)rainforest in the world,it plays an important role in keeping the earth's ecosystem balanced.
The Amazon rainforest(2)______(cross)eight countries and one region.(3)______ an area of about 6 million square kilometres,it's more than half the size of China.The Amazon River,where the rainforest gets(4)______(it)name,is about 6,400 kilometres long.On its way from the mountains to the ocean,the river supports many different ecosystems.
Different levels of the forest support a huge variety of wildlife.Each level is like its own small world,home to different t(5)______(live)things.
Over 2,000 species of birds and mammals hide among the jungle's plants.Take the jaguar(美洲虎)for(6)______.It has a yellowish-brown coat with black spots.Though many jaguars live here,they're just one part of the(7)______(forest)food chain(食物链).There are also some frogs that feed(8)______ insects which eat leaves and fruit.When a jaguar dies,a small group of microorganisms breaks down its body and returns nutrients to the soil.
The Amazon rainforest gives life to the planet by(9)______(take)in carbon dioxide and producing over 20 per cent of all the earth's oxygen.Also,it's a treasure house of species used for food or medicine.But there's a main threat to these precious plants and animals:humans.
As the influence of human activities like agriculture and cattle farming keeps growing,and the list of endangered species gets(10)______(long),we have a question:Can we afford to damage the “ lungs of the planet "?
(1)
largest
(2)crosses
(3)With
(4)its
(5)living
(6)example
(7)forest's
(8)on
(9)taking
(10)longer
答案：【解析】：
这是一道英语阅读填空题，主要考查学生对英语语法的掌握、单词的正确形式运用以及上下文理解能力。题目给出了一个关于亚马逊雨林的短文，其中包含了一些空白处需要填入适当的单词或给出单词的正确形式。
1. 第一空需要形容词的最高级形式，因为题目中提到了“作为世界上最大的雨林”。
2. 第二空需要动词的第三人称单数形式，因为主语是“The Amazon rainforest”。
3. 第三空需要介词，表示“具有”某一面积。
4. 第四空需要形容词性物主代词，修饰“name”。
5. 第五空需要形容词，修饰“things”，表示“生物”。
6. 第六空是固定短语“take...for example”的用法。
7. 第七空需要名词所有格，修饰“food chain”。
8. 第八空是固定短语“feed on”的用法。
9. 第九空需要动词的-ing形式，因为前面有介词“by”。
10. 第十空需要形容词的比较级形式，与前面的“keeps growing”相呼应。
【答案】：
1. largest
2. crosses
3. With
4. its
5. living
6. example
7. forest's
8. on
9. taking
10. longer
这是一道英语阅读填空题，主要考查学生对英语语法的掌握、单词的正确形式运用以及上下文理解能力。题目给出了一个关于亚马逊雨林的短文，其中包含了一些空白处需要填入适当的单词或给出单词的正确形式。
1. 第一空需要形容词的最高级形式，因为题目中提到了“作为世界上最大的雨林”。
2. 第二空需要动词的第三人称单数形式，因为主语是“The Amazon rainforest”。
3. 第三空需要介词，表示“具有”某一面积。
4. 第四空需要形容词性物主代词，修饰“name”。
5. 第五空需要形容词，修饰“things”，表示“生物”。
6. 第六空是固定短语“take...for example”的用法。
7. 第七空需要名词所有格，修饰“food chain”。
8. 第八空是固定短语“feed on”的用法。
9. 第九空需要动词的-ing形式，因为前面有介词“by”。
10. 第十空需要形容词的比较级形式，与前面的“keeps growing”相呼应。
【答案】：
1. largest
2. crosses
3. With
4. its
5. living
6. example
7. forest's
8. on
9. taking
10. longer