1、单选题：
Ecosystem is a region in which the organisms and the physical environment form a (an) ________________ unit. （ ）
选项：
A:interacting
B:harmonized
C:physical
D:symbiotic
答案: 【interacting】

2、单选题：
Wilderness is the area with________________ human influence. ( )
选项：
A:many
B:much
C:minimal
D:maximal
答案: 【minimal】

3、单选题：
Environmental science is an(a)________________ field that includes both scientific and social aspects of human impact on the world. ( )
选项：
A:important
B:interdisciplinary
C:independent
D:traditional
答案: 【interdisciplinary】

4、判断题：
Environmental issues do not necessarily coincide with artificial political boundaries. （ ）
选项：
A:错
B:对
答案: 【对】

5、判断题：
Environment is everything that affects an organism during its lifetime. （ ）
选项：
A:错
B:对
答案: 【对】

6、判断题：
Environmental science is an interrelated area of study that includes both applied and theoretical aspects of human impact on the world. （ ）
选项：
A:错
B:对
答案: 【对】

7、判断题：
Many environmental problems have become global in nature. （ ）
选项：
A:错
B:对
答案: 【对】

8、判断题：
Sustainable development is development to meet the present needs without sacrificing the needs of future generations （ ）
选项：
A:对
B:错
答案: 【对】