听下面一段材料，回答第1-4题。 1. What is the main topic of the man's speech? [ ]A. Social development. B. Environment protection. C. Scientific research.-高中英语-n多题

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听下面一段材料，回答第1-4题。

1. What is the main topic of the man's speech?

[ ]

A. Social development.
B. Environment protection.
C. Scientific research.

2. Who is the man?

[ ]

A. A government official.
B. A tourist guide.
D. A professor.

3. When did the man go to Anchorage for the first time?

[ ]

A. In 1960.
B. In 1980.
D. In 2000.

4. What is the man most probably doing next?

[ ]

A. Writing a letter to the government.
B. Showing some slides.
C. Planning a suggestion.

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