受电弓与接触网间接触压力与压缩空气压力大小有关。
参考答案：错
I was disappointed with the film. I had expected _____ to be much better.
A．that
B．this
C．one
D．it
《石崇与王恺争豪》表现与揭露东晋门阀豪族的（）。
A.穷奢极侈
B.重物轻人
C.飞扬跋扈
D.骄横暴戾
