Read the following passage and choose the correct answer to each of the questions
All around the world, there are many endangered animals, largely because of human progress. As the world's population grows, humans move into new areas, create more pollution, and use more natural resources. This all puts pressure on animals, which cannot really compete with humans. An excellent example of this would be the case of the leatherback sea turtle.
At 6.5 meters long, and up to 600 kilograms, the leatherback is the largest turtle on Earth. It is also one of the most endangered. Scientists do not know the exact number of leatherbacks because they spend their entire lives at sea. This makes them very difficult to count. But female leatherbacks come on land to lay their eggs. From the number of nests that scientists find, they can estimate the number of turtles. The numbers do not show a good future for the leatherback. At one beach, scientists counted over 10,000 egg nests in 1954. In 1993, there were only 50 nests at the same beach. Scientists think that the leatherback population is perhaps only 1% of what it was just 50 years ago. Human development over the last 50 years is undoubtedly the reason for this.
Question 1: Based on the information in the passage, the term endangered animals can be best explained as .
A. a kind of turtle
B. animals caught in fishing nets
C. animals with very low numbers
D. animals in areas where humans live
Question 2: According to paragraph 1, humans pressure the animals in all of the following ways EXCEPT
.A. by adding to pollution
B. by moving into new areas
C. by killing the animals
D. by using natural resources
Question 3: The word them in line 7 refers to
.A. scientists
B. leatherbacks
C. nests
D. eggs
Question 4: According to paragraph 2, why is it difficult to count the numbers of leatherback turtles?
A. They swim very fast.
C. Their nests are hard to find.
B. They are scared of humans.
D. They spend most of their lives in the sea.
Question 5: The word estimate in line 8 is closest in meaning to
A. study
B. guess
C. count
D. catch