地球上气温年较差最小的地区是( )
A.热带
B.亚热带
C.温带
D.寒带
地球上气温年较差最小的地区是热带.
故选:A.
If they broke the law, they for up to two years.
A.are put into prison
B.were put into prison
C.are put into the prison
D.were put into the prison
电控器命名由哪三部分组成:()。
A.主参数
B.船用代号
C.特征代号
D.类、组代号