A-A+
What did the UN call on nations to do about CO
问题详情
What did the UN call on nations to do about CO2 and other greenhouse gases in 1992?
A.To sign a new climate treaty at Rio.
B.To draft an agreement among UN nations.
C.To force the United Sates to reduce its emissions.
D.To limit the release of CO2 and other gases.
参考答案
正确答案:D
解析:由文章第四段可知本题答案为D。