单横担的组装位置,分支杆、转角杆及终端杆应装于()。
A.电源侧
B.负荷侧
C.拉线侧
D.三者均可
参考答案:C
一次函数y=kx-2的图象过点(1,-1),则k的值为______.
I can’t forget the time _______ the earthquake happened in Yushu.
A.when
B.which
C.that
D.where