单点互联
参考答案：
一个单元段上的三个电缆屏蔽层，仅在一点紧固互联并接地的特殊互联方式。
So long as Peter goes all out to do the work, I don't mind how long it _____ him to complete it.
A．took
B．will take
C．take
D．takes
油脂中含有哪些车质？
