填空题

The ecosystem of the rainforest is based on the most complex interdependence of plants and animals.

【参考答案】

Y

<上一题目录下一题>

热门试题

填空题

Tropical rainforests comprise only 40% of the world’s tropical forests and only 20% of the world’s total forests.

问答题

现代社会人们的压力与日俱增2. 压力产生的原因 3. 减少压力的办法