听下面一段较长对话，回答以下小题。
1. What is the purpose of the tool?
2. What is in the glasses?
3. What does the man say about the tool?
1. What is the purpose of the tool?
| A．To restore blind people’s vision. |
| B．To give blind people perfect vision. |
| C．To prevent blindness from happening. |
| A．A computer chip. | B．A video camera. | C．A special pen. |
| A．Its working process is very fast. |
| B．It can help people who are born blind. |
| C．The glasses send pictures to people’s eyes. |
更新时间：2024-03-05 14:26:51
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【知识点】 发明与创造
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