能够补偿传动轴轴向和角度方向安装误差的是（）。
A.传动轴中间支撑
B.传动轴万向节
C.传动轴滑动叉
D.传动轴凸缘
参考答案：A
展宽图像操作是为了使用户便于观察记录信息显示的细节情况而设立的，其功能与压缩图像相反。默认是（）状态。
A.最窄
B.中间
C.最宽
D.无法确定
____________ late, but also he forgot his books. [ ]
A. Not only did he turn up
B. Not only he turned up
C. Not only did he turn out
D. Not only he turned out
