偏心受压柱铰接柱脚只传递轴心压力和剪力，刚接柱脚除传递轴心压力和剪力外，还要传递弯矩。
参考答案：对
已知函数f（x）=2x-4x
（1）求f（x）的值域
（2）解不等式f（x）＞16-9×2x．
（3）若关于x的方程f（x）=m在[-1，1]上有解，求m的取值范围．
— You promised to come to my dinner party last night but you didn't turn up.
— I _____, but something unexpected happened just before I left. [ ]
A. would like to have
B. should like to
C. am going to
D. like to
