题干
If we do nothing, there_______ no more giant pandas in the world.
A：will have
B：will has
C：will be
D：will be going to have
答案(点此获取答案解析）
C
If we do nothing, there_______ no more giant pandas in the world.
A：will have
B：will has
C：will be
D：will be going to have
的左右焦点为
，线段
被抛物线
的焦点分成2：1两段，则双曲线的离心率为( )