车轮平衡机按测量方式可分为（）式车轮平衡机和（）式车轮平衡机两类。
参考答案：离车，就车
I'll attend the opening ceremony ______ being badly illness.[ ]
A. though
B. even
C. in spite of
D. even though
闭路电视监控系统监控室的地面应光滑、平整、不起尘。门宽度不应小于( )，高度不应小于2.1m。
A．0.9m B．1.0m C．1.2m D．1.5m
