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题目内容
With the 1985 discovery of an ozone hole over Antarctica, an international ban on the production of chlorofluorocarbons--implicated in causing the ozone hole--began to appear_____, especially since chemical companies' opposition to such a ban had weakened.
- Aimprudent
- Bfortuitous
- Cpremature
- Dimminent
- Eunlikely
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以上解析由 考满分老师提供。