Water is an essential global resource and it is up to each of us to ______ it.A、

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问题 Water is an essential global resource and it is up to each of us to ______ it.

选项 A、preserve
B、maintain
C、reserve
D、conserve

答案 D

解析 动词辨析题,conserve意思是“保存;节约”,暗含谨慎或节省地使用以避免浪费。preserve意思是“保护,保持,保存”,暗含保持处于完善或不变的状况中,维持不变。maintain意思是“维持,维修,继续,供养,主张”reserve意思是“储备,保存,预约”。
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