Why has the number of camels in India been decreasing in recent years？
A. Because they are dying from travelling too far.
Because they are short of food.
C. Because they are infected with a disease.
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What do the two speakers probably do for a living？
A. Office clerks.
B. Printers.
C. Architects.
What does the man think about the menu of options？
A. Its meaning isn't ambiguous.
B. It is far from clear.
C. It is satisfactory.
What will the operator do next？
A. Make an official complaint.
B. Improve the menu of options.
C. Make a note of the man’s complaint.
Why did the man watch the video？
A. It was required by Professor Stephen.
B. He wanted to learn about heart attacks.
C. He had to take part in a discussion.
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