听下面一段较长对话，回答以下小题。
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. |
23-24高一下·全国·单元测试 查看更多[1]
（已下线）人教版2019 选择性必修二Unit 1 单元测试B卷(含听力）
更新时间：2024-03-29 18:52:53
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