第一章 单元测试

1、判断题:
Gasoline energy is one nonrenewable energy source.( )
选项:
A:错
B:对
答案: 【

2、判断题:
Diesel oil is renewable energy source.( )
选项:
A:错
B:对
答案: 【

3、判断题:
Underground mining of coal may damage surface soil.( )
选项:
A:对
B:错
答案: 【

4、判断题:
Reserves of nuclear energy are shortage.( )
选项:
A:错
B:对
答案: 【

5、判断题:
Surface mining of coal may lead to large hole formation.( )
选项:
A:错
B:对
答案: 【

第二章 单元测试

1、单选题:
For fish growth in the aquatic ecosystem, dissolved oxygen is a( )。
选项:
A:limiting factor
B:general  ecological factor
C:biotic factor
D:abiotic factor
答案: 【limiting factor

2、单选题:
Which of the following factors is not the limiting factor for fish growth in the aquatic ecosystem?( )
选项:
A:Silt
B:DO
C:Temperature
D:Soil nutrients
答案: 【Soil nutrients

3、单选题:
Humans raising cattle for food is what kind of relationship?( )
选项:
A:parasitism
B:intraspecific competition
C:predation
D:mutualism
答案: 【predation

4、单选题:
Which is the abiotic factor of an organism’s environment?( )
选项:
A:bacteria
B:weather
C:plants
D:fungi
答案: 【weather

5、单选题:
Which is not the typical habitat of mosses?( )
选项:
A:cool
B:shady
C:moist
D:drought
答案: 【drought

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