建筑隔墙用保温条板应在出厂的条板面上标明产品名称、()、()。
参考答案:生产产名;生产日期
骨折的专有体征是
A.疼痛
B.功能障碍
C.反常活动
D.肿胀
E.瘀斑
The teacher's desk is _____ the classroom.
[ ]
A. in front of
B. in the front of
C. in the front
D. ahead