Page 31 - PowerE-L05-F

Reading Comprehension

Choose the best answer

1. What could be the threat to the lost of historical relics around the
world?
A. natural destruction
B. manmade destruction
C. both a and b

2. In China, what is being developed to protect historical relics?
A. museums
B. underground space

C. mausoleums

3. A mineral used for protection from collapse, molds, crack forma-
tion and salt deposition in valuable historical relics is called
A. silicone
B. chromium
C. krypton

4. In which materials was hydrophilic silicone successfully applied?
A. mud and kitchen midden
B. hollow blocks and bricks

C. porcelain and metals

5. Where are historical relics usually housed?
A. in museums
B. in libraries
C. in theaters

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