Europeans are good at conserving old buildings.
Europeans are good at conserving old buildings.
Recycling is an excellent way of saving energy and conserving the environment.
Recycling is an excellent way of saving energy and conserving the environment.
Ecotourism is all about conserving nature and wildlife by any means necessary
Ecotourism is all about conserving nature and wildlife by any means necessary
Ecotourism is all about conserving nature and wildlife by any means necessary A: 正确 B: 错误
Ecotourism is all about conserving nature and wildlife by any means necessary A: 正确 B: 错误
Which one is NOT the role of Amazon rainforest in the earth ecosystem? A: providing farm lands B: conserving water sources C: maintaining soil D: reducing droughts and floods
Which one is NOT the role of Amazon rainforest in the earth ecosystem? A: providing farm lands B: conserving water sources C: maintaining soil D: reducing droughts and floods
Which one is NOT the role of Amazon rainforest in the earth ecosystem? A: providing farm lands B: conserving water sources C: maintaining soil D: reducing droughts and floods
Which one is NOT the role of Amazon rainforest in the earth ecosystem? A: providing farm lands B: conserving water sources C: maintaining soil D: reducing droughts and floods
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