肱骨髁上骨折伸直型的远端移位方向是()
A.前
B.后
C.内
D.外
E.下
参考答案:B
Look! The students _____ the classroom.
A. cleaning B. are cleaning C. are clean
运行揭示调度命令应在()时候下达。
A.施工前3天12:00前
B.施工前2天12:00前
C.施工前1天12:00前
D.施工当日12:00前