大学教师的激励方法有()
A.学术考核;
B.教学考核;
C.目标激励;
D.岗位定级
参考答案:C
The policeman broke into the room and saw a young man _______ on the floor. [ ]
A. lay
B. lies
C. lying
D. lain
对肠套叠病人进行直肠肛门检查,常有()沾污指套。