听下面一段材料,回答第1至4题。 |
1. What is the speaker? |
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A. A radio announcer. B. A doctor. C. An actor. |
2. What is the speaker? |
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A. A radio announcer. B. A doctor. C. An actor. |
3. What will be the main purpose of the program? |
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A. To explain the working of the brain. B. To show the latest use of computer pictures. C. To increase people's knowledge of farming. |
4. Why is the program easy to follow? |
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A. Because it's for children. B. Because it's for scientists. C. Because it's a public show. |