听下面一段对话,回答第1~3小题。
1. What’s wrong with Ann?
A. She has a cold.
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B. She has a bad cough.
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C. Her chest hurts.
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2. What’s the problem?
A. A factory produces harmful gases.
B. The air on the earth is polluted.
C. She wants to leave the village.
3. What are they going to do?
A. Go to see a doctor.
B. Look for a better place.
C. Write a letter to a newspaper.