A. LISTENING: (2 pts)
Part 1: You will hear about the factors that have affected the blue whale population. Listen to the recording twice, then choose the best option for the questions.
Question 1. How does Nam feel about the size of whales?
A. Impressed.
B. Concerned.
C. Annoyed.
D. Indifferent.
Question 2. Which of the following is NOT mentioned as a reason for the widespread whaling in the 1920s?
A. Advances in technology made whale hunting easier.
B. It became a profitable business.
C. It was impossible to build suitable habitats for blue whales.
D. Blue whales were once too fast and big to hunt.
Question 3. According to the speaker, what is the current number of blue whales?
A. About 10,000.
B. No more than 25,000.
C. About 340,000.
D. Between 10,000 and 25,000.
Question 4. Why are blue whales more likely to be hit by ships at night?
A. They can't see or hear well at night.
B. There is more plastic pollution at night.
C. They are looking for food near the water surface at night.
D. They often chase ships out of curiosity.
Question 5. What is one of the effects of climate change on blue whales?
A. It makes them migrate faster.
B. It causes their natural enemies to increase.
C. It reduces the amount of food available to them.
D. It helps them find new habitats.