

1、判断题:
Provide food for human is the indirect value of biodiversity.( )
选项:
A:错
B:对
答案: 【错】
2、判断题:
Waste treatment is the direct value of biodiversity. ( )
选项:
A:错
B:对
答案: 【错】
3、判断题:
Desertification is the development of desertlike areas, it is caused by loss of vegetation.( )
选项:
A:错
B:对
答案: 【对】
4、判断题:
Introduction of exotic Species may cause biodiversity loss。( )
选项:
A:错
B:对
答案: 【对】
5、判断题:
ecosystem diversity refers to a measure of the number of kinds of ecosystems present in an area.( )
选项:
A:对
B:错
答案: 【对】
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