14. According to the news, the ice from Greenland provides information ab out ___.
A. oxygen B. ancient weather C. carbon dioxide D. temperature
15. Which of the following statements is CORRECT?
A. Drastic changes in the weather have been common since ancient times.
B. The change in weather from very cold to very hot lasted over a century.
C. The scientists have been studying ice to forecast weather in the future.
D. The past 10,000 years have seen minor changes in the weather.
SECTION D NOTE-TAKING AND GAP-FILLING(省略)