New data has ______ that the damage to the ozone layer is not confined to the so

游客2025-05-07 18

问题 New data has ______ that the damage to the ozone layer is not confined to the southern hemi- sphere.

选项 A、ratified
B、confirmed
C、assured
D、approved

答案 B

解析 confirm证实。句意：新的数据证实臭氧成层的破坏并不限于南半球。ratify批准，许可；assure保证；approve同意，赞成。

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