| 听下面一段材料，回答第1至4题。 |
| 1. How many adoptions are there each year in the US? |
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| A. 6,000. B. 60,000. C. 600,000. |
| 2. Why do some couples adopt children according to the speaker? |
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| A. They care a lot about children. B. They want to enrich their life experience. C. They need to be looked after in their old age. |
| 3. Why is it difficult for adoptees (被收养者) to find out their birth parents? |
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| A. They are adopted from distant places. B. Their birth information is usually kept secret. C. Their birth parents often try to conceal (隐藏) their information. |
| 4. What can we infer from the passage? |
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| A. Early adoption makes for closer parent-child relationship. B. Understanding is the key to successful adoption. C. Adoption had much to do with love. |