正确答案: D

物质的循环利用形成了第一产业和第二产业的联系

题目：该生态产业园区中

解析：D

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举一反三的答案和解析：

[单选题]What can we infer from the text?

Many people have wrong ideas about breakfast.

[单选题]慈姑的( )供食用或制淀粉，或药用。

球茎

[单选题]— It’s the office! So you ( ) know eating is not allowed here. — Oh, sorry.

must

[单选题]How did Frank save Lisa?

By lifting her to the platform.

解析：【解析】细节理解题。由倒数第三段But he managed to raise her the four feet to the platform. so that bystanders could hold her by the grins 可知。