题目内容

15．Save a drop of water every day ________ we can help make a better future．（　　）
A．andB．butC．or

分析 翻译：每天节约一滴水我们就能帮助创造一个更好的未来．

解答 A．and表顺成关系
B．but表转折
C．or意思为"否则"
根据句意，选A

点评 本题考查并列连词辨析，做此类题，在弄懂句意和选项的情况下即可作答．

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