听下面一段独白，回答以下小题。1.
2.
3.
| A．Low sleep efficiency. | B．Human evolution. |
| C．A psychological disease. | D．An unusual brain disorder. |
| A．They can hardly fall asleep all night. | B．Their brains don’t function well. |
| C．They have terrible dreams. | D．Their brains remain awake. |
| A．Ways to improve sleeping quality. | B．Surroundings and sleeping quality. |
| C．Treatment for the first night effect. | D．How the two parts of the brain work. |
2022·上海闵行·二模 查看更多[2]
更新时间：2022-06-24 09:57:16
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【知识点】 科普知识
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