听下面一段材料,回答第1至3题。 |
1. Where are the two speakers? |
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A. At the radio station. B. In a studio. C. In the forest. |
2. How many kinds of trees grow in one square kilometer? |
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A. About l, 500. B. About 400. C. About 750. |
3. What is the woman? |
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A. A reporter. B. A student. C. A scientist. |