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Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 33 to 39.
Have you ever entered a tropical rainforest? It's a special, dark place completely different from anywhere else. A rainforest is a place where the trees grow very tall. Millions of kinds of animals, insects, and plants live in the rainforest. It is hot and humid in a rainforest. It rains a lot in the rainforest, but sometimes you don't know it's raining. The trees grow so closely together that rain doesn't always reach the ground.
Rainforests make up only a small part of the Earth's surface, about six percent. They are found in tropical parts of the world. The largest rainforest in the world is the Amazon in South America. The Amazon covers 1.2 billion acres, or almost five million square kilometers. The second largest rainforest is in Western Africa. There are also rainforests in Central America, Southeast Asia, Northeastern Australia, and the Pacific Islands.
Rainforests provide us with many things. In fact, the Amazon Rainforest is called the "lungs of our planet" because it produces twenty percent of the world's oxygen. One fifth of the world's fresh water is also found in the Amazon Rainforest. Furthermore, one half of the world's species of animals, plants, and insects live in the Earth's rainforests. Eighty percent of the food we eat first grew in the rainforest. For example, pineapples, bananas, tomatoes, corn, potatoes, chocolate, coffee, and sugar all came from rainforests. Twenty-five percent of the drugs we take when we are sick are made of plants that grow only in rainforests. Some of these drugs are even used to fight and cure cancer. With all the good things we get from rainforests, it's surprising to find that we are destroying our rainforests. In fact, 1.5 acres, or 6,000 square meters, of rainforest disappear every second. The forests are being cut down to make fields for cows, to harvest the plants, and to clear land for farms. Along with losing countless valuable species, the destruction of rainforests creates many problems worldwide. Destruction of rainforests results in more pollution, less rain, and less oxygen for the world.
Why don't people know it's raining in the rainforests?
A. Because the branches are too dense for the rain to touch the ground.
B. Because it hardly rains in the rainforests.
C. Because they are the habitats of millions of flora and fauna.
D. Because the trees grow very tall there.
Have you ever entered a tropical rainforest? It's a special, dark place completely different from anywhere else. A rainforest is a place where the trees grow very tall. Millions of kinds of animals, insects, and plants live in the rainforest. It is hot and humid in a rainforest. It rains a lot in the rainforest, but sometimes you don't know it's raining. The trees grow so closely together that rain doesn't always reach the ground.
Rainforests make up only a small part of the Earth's surface, about six percent. They are found in tropical parts of the world. The largest rainforest in the world is the Amazon in South America. The Amazon covers 1.2 billion acres, or almost five million square kilometers. The second largest rainforest is in Western Africa. There are also rainforests in Central America, Southeast Asia, Northeastern Australia, and the Pacific Islands.
Rainforests provide us with many things. In fact, the Amazon Rainforest is called the "lungs of our planet" because it produces twenty percent of the world's oxygen. One fifth of the world's fresh water is also found in the Amazon Rainforest. Furthermore, one half of the world's species of animals, plants, and insects live in the Earth's rainforests. Eighty percent of the food we eat first grew in the rainforest. For example, pineapples, bananas, tomatoes, corn, potatoes, chocolate, coffee, and sugar all came from rainforests. Twenty-five percent of the drugs we take when we are sick are made of plants that grow only in rainforests. Some of these drugs are even used to fight and cure cancer. With all the good things we get from rainforests, it's surprising to find that we are destroying our rainforests. In fact, 1.5 acres, or 6,000 square meters, of rainforest disappear every second. The forests are being cut down to make fields for cows, to harvest the plants, and to clear land for farms. Along with losing countless valuable species, the destruction of rainforests creates many problems worldwide. Destruction of rainforests results in more pollution, less rain, and less oxygen for the world.
Why don't people know it's raining in the rainforests?
A. Because the branches are too dense for the rain to touch the ground.
B. Because it hardly rains in the rainforests.
C. Because they are the habitats of millions of flora and fauna.
D. Because the trees grow very tall there.
Giải thích:
Tại sao mọi người không biết rằng đang có mưa ở rừng mưa?
A. Vì các cành cây quá rậm rạp để mưa có thể chạm đất.
B. Vì hầu như không có mưa ở các rừng mưa.
C. Vì chúng là môi trường sống của hàng triệu động thực vật.
D. Vì các cây phát triển rất cao ở đó.
Thông tin: It rains a lot in the rainforest, but sometimes you don't know it's raining. The trees grow so closely together that rain doesn't always reach the ground.
(Rừng mưa có rất nhiều mưa, nhưng đôi khi bạn không biết rằng trời đang mưa. Cây cối ở đó rậm rạp đến nỗi những hạt mưa không phải lúc nào cũng rơi xuống đất.)
Tại sao mọi người không biết rằng đang có mưa ở rừng mưa?
A. Vì các cành cây quá rậm rạp để mưa có thể chạm đất.
B. Vì hầu như không có mưa ở các rừng mưa.
C. Vì chúng là môi trường sống của hàng triệu động thực vật.
D. Vì các cây phát triển rất cao ở đó.
Thông tin: It rains a lot in the rainforest, but sometimes you don't know it's raining. The trees grow so closely together that rain doesn't always reach the ground.
(Rừng mưa có rất nhiều mưa, nhưng đôi khi bạn không biết rằng trời đang mưa. Cây cối ở đó rậm rạp đến nỗi những hạt mưa không phải lúc nào cũng rơi xuống đất.)
Đáp án A.