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Pollution has become a serious problem in almost all the big cities of the w
Pollution has become a serious problem in almost all the big cities of the w
游客
2024-07-15
18
管理
问题
Pollution has become a serious problem in almost all the big cities of the world. City people are becoming more and more worried about how they can【B1】______ pollution. They are also concerned about whether the government is doing enough to【B2】______ the environment. However, people in Ireland don’t have these worries. They are sure that they have found the【B3】______ the problem. They use windmills. These windmills can create power without【B4】______ pollution. This method is so successful that other countries are【B5】______ doing the same. Why not? What works for Ireland can work for any other country? [br] 【B2】
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答案
protect
解析
这里是动词不定式表示目的,protect的意思为“保护(环境)”。
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