| 听下面一段独白，回答第1至第5五个小题。 |
| 1. Which of the following pictures best describes the experiment you hear? |
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A.  B.  C.  |
| 2. What do you do with the salt when you have stood the egg up? |
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| A. Move it away. B. Wash it away. C. Blow it away. |
| 3. What's the use of the salt in the experiment? |
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| A. It makes the egg taste better. B. It helps stand the egg up. C. It makes the egg heavier. |
| 4. Which month is the special date in? |
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| A. March. B. April. C. May. |
| 5. What can help keep an egg standing on its end on that day? |
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| A. The pull of the sun. B. The pull of the earth. C. The pull of the man. |