2. 外语
  3. New data has ______ that the damage to the ozone layer is not confined to the southern hemisphere.

New data has ______ that the damage to the ozone layer is not confined to the southern hemisphere.

admin2011-05-29  59
问题 New data has ______ that the damage to the ozone layer is not confined to the southern hemisphere.
选项 A、ratified
B、confirmed
C、assured
D、approved
答案C
解析 confirm证实；ratify批准，许可；assure保证；approve同意，赞成。句意：新的数据证实臭氧成层的破坏并不限于南半球。
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