听下面一段独白，回答以下小题。
1. What is an effect of lack of sleep on teenagers according to the new study?
2. What is to blame for teenagers lacking sleep?
3. How can teenagers fall asleep more easily?
4. What does the speaker suggest schools do?
1. What is an effect of lack of sleep on teenagers according to the new study?
| A．Lower spirits. | B．Bad health. | C．The poor academic performance. |
| A．Too much screen time. | B．Lack of exercise. | C．Too much homework. |
| A．By reading a book before sleeping. |
| B．By listening to music before sleeping. |
| C．By drinking hot chocolate before sleeping. |
| A．Offer sports classes. | B．Shorten the school day. | C．Delay school start time. |
更新时间：2024-04-15 09:07:35
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【知识点】 科普知识
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【推荐1】听下面一段独白，回答以下小题。
1. What do experts think will happen if we feel sleepy during the day?
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1. What do experts think will happen if we feel sleepy during the day?
| A．We will burn more calories. |
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| C．We will have a better appetite. |
| A．By making better use of their computers. |
| B．By being more energetic and productive. |
| C．By working extra hours during the night. |
| A．A way to reduce weight. |
| B．A way to work more efficiently. |
| C．A way to get rid of screen addition. |
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【推荐2】听下面一段独白，回答以下小题。
1. What could Charles Dickens remember after he walked down a long street in London?
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1. What could Charles Dickens remember after he walked down a long street in London?
| A．The face of every person he met. |
| B．The number of each shop he entered. |
| C．The face of each shop he passed by. |
| D．The name of each shop he passed by. |
| A．They do not work hard enough. |
| B．They do not have good memories. |
| C．They are too busy to spend enough time on it. |
| D．They do not hear the language as often as they hear their mother tongue. |
| A．People differ a lot in their memories. |
| B．A wonderful memory is the common thing all the great men have. |
| C．The earlier one starts to learn a foreign language, the better the result will be. |
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【推荐3】听下面一段独白，回答以下小题。
1. What kind of people are "early birds"?
2. When do most teenagers go to bed?
3. How many teenagers sleep enough?
4. What are night owls better at?
1. What kind of people are "early birds"?
| A．The people getting up around 5:00 or 6:00 am. |
| B．The people going to bed around 9:00 or 10:00 pm. |
| C．The people going to bed around 10:00 or 11:00 pm. |
| A．Around 9:00 pm. | B．Around 10:00 pm. | C．Around midnight or later. |
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