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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 following questions from 39 to 45.
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.
(Adapted from Reading Challenge 2 by Casey Malarcher and Andrea Janzen)
Question 39: What is the author’s main idea in the passage?
A. To provide factual information about tropical rainforests for readers.
B. To prove that rainforests are indispensable in our lives.
C. To prevent people from damaging tropical rainforests.
D. To explain why people have destroyed a large area of tropical rainforests.
Question 40: The word “countless” in paragraph 3 could be best replaced by __________.
A. trivial B. numberless C. meaningless D. derisive
Question 41: The word “that” in paragraph 3 refer to ______________.
A. plants
B. pineapples, bananas, tomatoes, corn, potatoes, chocolate, coffee, and sugar
C. the drugs
D. rainforests
Question 42: The following are the facts about rainforests, EXCEPT ___________.
A. Rainforests account for about one sixth of the Earth’s surface.
B. There’s a considerable variety of plants and animals in the rainforests.
C. The rainforest in Western Africa ranks second after the Amazon in South America in the covered area.
D. The only places to see rainforests are in tropical zones.
Question 43: Why don’t people know it’s raining in the rainforests?
A. Because the trees grow very tall there.
B. Because the branches are too dense for the rain to touch the ground.
C. Because they are the habitats of millions of flora and fauna.
D. Because it hardly rains in the rainforests.
Question 44: What can be inferred from the last passage?
A. People’s economic benefits are more important than environmental problems.
B. The consequences of deforestation were greater than what people can imagine.
C. Everyone is not aware of the significance of the rainforests.
D. The more rainforests are destroyed, the harder people’s life will become.
Question 45: The word “humid” in the first paragraph is closest in meaning to _____________.
A. cloudy B. dry C. overwhelmed D. moist