4111－K2TG-2021的联锁值是（）℃。
A.65
B.75
C.85
D.100
参考答案：C
There is an old temple from 2000 BC on the top of the mountain.
A．dates
B．dated
C．dating
D．be dated
绝缘杆应倚墙而放，以免碰倒伤其绝缘表面。
