单项选择题
You will hear three dialogues or monologues. Before listening to each one,
you will have time to read the questions related to it. While listening, answer
each question by choosing A, B, C or D. After listening, you will have time to
check your answer. You will hear each piece once only.
Which of the following is NOT the damage done by red ants
A. They can destroy the houses of farmers.
B. They can injure animals and farmers.
C. They destroy crops.
D. They get into animal feed.
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