填空题

Wetlands don’t have any recreational, historical, scientific, and cultural values at all.

【参考答案】

N

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热门试题

填空题

The beneficial functions of wetlands, considered valuable to societies worldwide, are the result of the inherent and unique______.

填空题

More than half of the United States’threatened and endangered species live only in wetlands, and nearly one-third use wetlands at some point in their lives.