外伤伤及真皮和皮下组织时,伤口愈合以后,往往形成伤疤,这些填充的组织是 [ ]
A.肌肉组织
B.真皮
C.皮下组织
D.皮肤附属物
答案:C
下颌远中,舌侧倾斜的基牙,设置环形卡环时,其卡环臂尖端位于基牙何部位
A.基牙近中缺隙侧邻面
B.基牙无远中邻面
C.基牙颊侧近中倒凹区
D.基牙侧近中倒凹区
E.基牙颊侧远中倒凹区
______ destroying the forests, a large quantity of desert has covered the land.
[ ]
A. Thanks to
B. As a result of
C. In order to
D. In case of