填空题 For Questions 1～5, you will hear a dialogue in which NASA scientist Mike is being interviewed by J sherry, a TV hostess, on how NASA studies earth's climate. While you listen, fill out the table with the information you have heard. Some of the information has been given to you in the table. Write only 1 word in each numbered box.

Information about bow NASA studies earth's climate.
Earth Day began in the year of ______.		{{U}}{{U}} 1 {{/U}}{{/U}}
The main aim of Orbiting Carbon Observatory is to measure carbon dioxide ______.		{{U}}{{U}} 2 {{/U}}{{/U}}
		{{U}}{{U}} 2 {{/U}}{{/U}}
Over the past decade, global temperatures have always been on the ______.		{{U}}{{U}} 3 {{/U}}{{/U}}
In the long run, carbon dioxide is absorbed only by the ______.		{{U}}{{U}} 4 {{/U}}{{/U}}
A large eruption of volcano may lead to ______.		{{U}}{{U}} 5 {{/U}}{{/U}}