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简介:
一:Exploring the Wonders of the Amazon Rainforest
The Amazon Rainforest is one of the most (1) _____ ecosystems on Earth. It covers a vast area, stretching across nine countries in South America. The diversity of plant and animal life here is (2) _____. From towering trees to colorful birds, every corner of the rainforest is full of surprises. The rainforest is also crucial for the global (3) _____ balance, as it acts as a massive carbon dioxide (4) _____. However, deforestation and climate change pose serious (5) _____ to its survival.
( C )(1)A. complex B. fragile C. unique
【解析】亚马逊雨林是地球上独特的生态系统之一,因此选“unique”(独特的)。