听下面一段独白，回答以下小题。
1. Why should we let dogs keep on sleeping?
2. Where did the scientists put the wires to measure electrical activity in the brain?
3. How many times have dogs' sleep spindles been measured?
4. Which has been linked with learning?
1. Why should we let dogs keep on sleeping?
| A．Because they are learning while they sleep. |
| B．Because they are singing while they sleep. |
| C．Because they are dreaming while they sleep. |
| A．On the dogs' necks. | B．On the dogs' heads. | C．On the dogs' backs. |
| A．Only once. | B．Two times. | C．Three times. |
| A．Mental activity. | B．Physical activity. | C．The brain activity. |
更新时间：2022-04-07 14:59:36
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【推荐1】听下面一段独白，回答以下小题。1.
2.
3.
| A．The importance of bees to agriculture. |
| B．The factors in causing the decline of bees. |
| C．The reasons for choosing a day for bees. |
| D．The ways to increase the diversity of bees. |
| A．The change in their food forms. | B．The disappearance of their homes. |
| C．The loss of some plants. | D．The poor harvest in agriculture. |
| A．Raising awareness of protecting bees. | B．Keeping more people away from bees. |
| C．Inspiring more art works about bees. | D．Encouraging professors to keep bees. |
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【推荐2】What does the woman mean?
| A．The corner is a better place for the plants. |
| B．The man should water the plants less. |
| C．The plants may need more light. |
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【推荐3】Questions are based on the following passage. 1.
2.
3.
| A．Animals have emotion and social skills. |
| B．Animals' mental experience can be tested. |
| C．Animals' choice of partnership relies on pictures. |
| D．Animals feel pain in the same way that humans do. |
| A．Identify a familiar face. | B．Make a crying sound. |
| C．Build up short-up term partnerships | D．Avoid being shut in the same stall. |
| A．Cows can remember what happened in the past. |
| B．Cows are better at making friends with people. |
| C．Cows are happy when seeing a familiar face. |
| D．Cows have a better memory than sheep. |
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【推荐1】听下面一段独白，回答以下小题。
1. How many kinds of items can a person remember at a time?
2. How long does the working memory last?
3. What belongs to memory aid?
4. What is the speaker mainly talking about?
1. How many kinds of items can a person remember at a time?
| A．5 to 7. | B．4 to 6. | C．3 to 4. |
| A．About 20 seconds. | B．About 7 seconds. | C．About 4 seconds. |
| A．Moving items away. |
| B．Setting down things. |
| C．Remembering things once. |
| A．Learning ability. | B．Human mind. | C．A memory theory. |
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【推荐2】听下面一段独白，回答下面小题。
1. Who would most likely suffer from depression according to the researchers?
2. How did students behave when they told a lie?
3. What is the third piece of news mainly about?
1. Who would most likely suffer from depression according to the researchers?
| A．Those who often sent text messages. |
| B．Those who suffered from heart disease. |
| C．Those who did no physical exercise. |
| A．Sending long messages. |
| B．Responding more slowly than usual. |
| C．Typing 10 percent faster on average. |
| A．Why marriage helps fight cancer. |
| B．How unmarried people survive cancer. |
| C．How cancer is detected after marriage. |
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【推荐3】听下面一段独白，回答以下小题。
1. What is Positive Psychology about?
2. What is Csikszentmihalyi’s idea about happiness?
3. How did Csikszentmihalyi get the inspiration for his theory?
4. What is the speaker going to introduce next?
1. What is Positive Psychology about?
| A．What’s wrong with us. |
| B．How to solve problems. |
| C．How to help people become happier. |
| A．We should always look for happiness. |
| B．We are the happiest when totally focused. |
| C．Happiness is caused by things that happen to us. |
| A．By swimming in a river. |
| B．By working for hours without stopping. |
| C．By noticing how artists worked in a studio. |
| A．More about the theory of flow. |
| B．The importance of the lecture. |
| C．The requirement of the course. |
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