多动症儿童的临床症状包括()、()、()、()和学习困难。
参考答案:注意障碍;活动过多;情绪不稳;行为不良
All the apartments have been sold out while the building is still _____.
A.Constructed
B.constructing
C.under construction
D.in construction
屋面坡度在( )时,卷材可平行或垂直屋脊铺贴。
A.1%~3%
B.3%~5%
C.16%~17%
D.17%~18%