用旋转法处理平面度误差数据时，旋转量和旋转方向的确定取决于离评定基准（）的点。
A、最近
B、最远
C、不相关
参考答案：A
．----Could I borrow your car to go shopping?
A．Sorry, his car as well as mine is being repaired.
B．Sorry, his car as well as mine are being repaired.
C．Sorry, his car, along with mine has been repaired.
D．Sorry, his car and mine is being repaired.
下列说法正确的是 [ ]
A．SO2和SO3互为同分异构体
B．液溴和溴蒸气是同素异形体
C．金刚石和石墨都是由碳原子构成，因此它们是同种物质
D．乙醇和二甲醚互为同分异构体
