Another natural______that contributes to the welfare of the country is water.

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问题 Another natural______that contributes to the welfare of the country is water.

选项 A、mineral
B、power
C、resource
D、source

答案C

解析 natural resource自然资源。水不是矿物质,可以排除选项A“矿物,矿石”。naturalpower自然功率;自然力量。natural source天然(污染)源。
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