题目内容：
若系统型数为2，则以下说法正确的是（）
A.系统的根轨迹有两个起点位于原点；
B.系统的根轨迹有两个分支
C.负实轴上没有系统的根轨迹
D.以上说法均不正确
参考答案：
选择题：若系统型数为2，则以下说法正确的是（）
- 题目分类：慕课
- 题目类型：选择题
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The play will soon over.
The play will soon over.这是一个关于大学英语的相关问题，下面我们来看答案是什么，The play will soon over.A.正确B.错误正确答案：错误
Linda is taller of the two sisters.
Linda is taller of the two sisters.这是一个关于大学英语的相关问题，下面我们来看答案是什么，Linda is taller of the two sisters.A.正确B.错误正确答案：错误
The reason why he didn’t come is because he was ill.
The reason why he didn’t come is because he was ill.这是一个关于大学英语的相关问题，下面我们来看答案是什么，The reason why he didn’t come is because he was ill.A.正确B.错误正确答案：错误
Although it has not yet been finished, I believe it will be carried on.
Although it has not yet been finished, I believe it will be carried on.这是一个关于大学英语的相关问题，下面我们来看答案是什么，Although it has not yet been finished, I believe it will be carried on.A.正确B.错误正确答案：正确
The pilot could hardly find nowhere to land.
The pilot could hardly find nowhere to land.这是一个关于大学英语的相关问题，下面我们来看答案是什么，The pilot could hardly find nowhere to land.A.正确B.错误正确答案：错误