距转载台挖空区5m翻卸点测量工具为（）。
A.挡墙尺
B.测绳
C.标志架
D.转载台
参考答案：A
如果某建筑物±0.000的绝对标高为38.500m，且设计楼顶标高50.000m，则其楼顶的绝对标高为（）m。
A.38.500
B.68.500
C.88.000
D.88.500
The Latin class had twenty students, most of which had had much better language training than I.
