如图为某人的视力缺陷图,请你判断他该用哪种镜片进行矫正( )
A.凸透镜
B.凹透镜
C.平面镜
D.凹面镜
答案:B
改错。
( ) 1. Nice to meeting you. _____________
A B C
( ) 2. He is a new boy on school. _____________
( ) 3. This is a glue. _____________
( ) 4. Where are my paper? _____________
( ) 5. It is Kims eraser. _____________
左、右45°斜位片,椎弓及其附件投影似“狗”形,峡部裂时似狗颈戴项链,同侧上关节突为()
A.狗嘴
B.狗耳
C.狗眼
D.狗体
E.狗前足