B(2025·江苏南京玄武区期末)
Forests can be divided into different types according to their climate and location. The most common types are tropical, boreal and temperate.
Tropical rainforests are located near the equator(赤道). They are hot and wet. Although they cover only a tenth of the earth's surface, they are home to about half of all species. The biggest is the Amazon Rainforest in South America. It is often called the "lungs(肺) of the earth" because the plants there produce a lot of oxygen. You'll find monkeys, frogs, jaguars and many other animals there.
Boreal forests are found in the north. These forests are cold. Many animals live there and have adapted to the cold climate by growing thick fur. The Dancing Forest is a strange and beautiful boreal forest in Russia. Its name comes from the twisted trunks of its trees. The pine trees there have leaves shaped like needles(针).
Temperate forests are found all over the world. They are hot or cool at different times of the year. There are some temperate forests in the Jiuzhaigou Valley in Sichuan, for example. Many types of trees grow there, like maples and birches. Their leaves change colour with the seasons and fall off the trees when the weather gets cool. As the weather warms up, the trees grow new leaves.
(
B
)4. The Amazon Rainforest is called the "lungs of the earth" because
.
A. it is the most beautiful forest on earth
B. the plants there provide a lot of oxygen
C. many animals live there and breathe its air
D. it is home to half of the world's animal species
(
A
)5. Amy is interested in trees with needle-shaped leaves. Which forest would she probably take a trip to?
A. A boreal forest.
B. A temperate forest.
C. Any type of forests.
D. A tropical rainforest.
(
D
)6. What is the order of the average(平均的) temperatures of the three types of forests, from the highest to the lowest?
A. Temperate forests$＞$ Tropical rainforests$＞$ Boreal forests
B. Temperate forests$＞$ Boreal forests$＞$ Tropical rainforests
C. Tropical rainforests$＞$ Boreal forests$＞$ Temperate forests
D. Tropical rainforests$＞$ Temperate forests$＞$ Boreal forests
