大学MOOC 农业环境学(山西农业大学)1452475188 最新慕课完整章节测试答案

大气和大气污染概念是什么

1、判断题：
‌只要大气中有污染物就是大气污染，对吗？‌
选项：
A: 正确
B: 错误
答案: 【 错误】

Quiz 1

1、单选题：
​ Which is not
environment characteristic:‏
选项：
A: Physics
B: Chemistry
C: Microorganism
D: Biology
答案: 【 Microorganism】

2、多选题：
​Features of the Agricultural environment pollution:‎
选项：
A: Wide range
B: Obvious differences
C: Instability
D: Difficult
to detect and recover
答案: 【 Wide range;
Obvious differences;
Instability;
Difficult
to detect and recover】

3、填空题：
Environment
can be divided into___and___according to its angle of ecology.‎
答案: 【