学习监控的主要作用是保证学习者能有效的进行学习
参考答案:对
—Let's play soccer.
—_______. Let's play ping-pong. [ ]
A. That's great.
B. That sounds good.
C. That's boring.
D. Yes, I do.
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