A:does well in
B:do good at
C:do well in
D:do well at
农业生产上常用人工合成的性引诱剂诱杀害虫的雄性个体,使之不能与雌性个体交尾,致使害虫的种群密度
The movie “The Time Machine” is a science fiction story.
直线y=12x+k与x轴、y轴的交点分别是A,B,且S△AOB≤1,则k的取值范围是( )
____