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Question 11: What distinguishes swifts from swallows?

A. Swifts feed on insects.                       

B. Swifts have very small feet.

C. Swifts sometimes land on the ground.      

D. Swifts catch their food while flying.

Question 12: What do we learn about swifts?

A. They prefer to live in warm climates.

B. There is no faster species than the swift.

C. They do not eat or drink while flying.

D. They can fly up to 200,000 km in their lifetime.

Question 13: In the first sentence of the third paragraph, what does dwindling mean?

A. spreading                B. defending                

C. decreasing              D. wasting

Question 14: What does the writer tell us about the birds’ nests?

A. They are often destroyed.                           B. They are used more than once.

C. They are protected by law.                          D. They are full of insects.

Question 15: Which of the following statements best expresses the main idea of the passage?

A. Swifts and swallows have many similarities.

B. Swifts are becoming extinct all over the world.

C. Swifts are admirable and deserve protection.

D. Swifts are harmful but beautiful.

\(\left(\dfrac{3}{8}+\dfrac{5}{6}\right)-1\)

\(=\dfrac{9+20}{24}-1\)

\(=\dfrac{29}{24}-1\)

\(=\dfrac{5}{24}\)

1. on

2. on

3. In

4. at

5. on

6. In

do/have never done

1. conservationists

2. pollutants

3. enviromental

4. ineffective

5. science

6. has been nominated