Listen to a museum guide talking about the world's oldest surviving ph – Luyện nghe VSTEP Part 3 – Bài nói, bài giảng

1. What does the photograph show?

A. the view from a window of Niépce's houseB. a street in ParisC. a portrait of NiépceD. a group of farm workers

2. How long was the exposure for the photograph?

A. about one hourB. at least eight hours, perhaps several daysC. a fraction of a secondD. exactly two days

3. Why does sunlight seem to fall on both sides of the buildings?

A. There were mirrors in the courtyard.B. The sun moved during the long exposure.C. Niépce used two cameras.D. The picture was painted afterwards.

4. What happened in 1839?

A. Photography was introduced to the public.B. Niépce met Daguerre.C. The photograph was rediscovered.D. Niépce took his first photograph.

5. Why are visitors asked not to use flash?

A. It disturbs other visitors.B. The case reflects the flash.C. Photos of the picture are sold in the shop.D. Light can damage the photograph.