哪种学习动机是为了通过竞争和获得高分来增强自我价值和自尊（）
A.成就动机
B.深层动机
C.表层动机
D.外部奖励
参考答案：A
It is out of question that you ____ Chief Engineer of the railway when Mr. Bell leaves. [ ]
A. are appointed
B. have been appointed
C. will be appointed
D. will appoint
慢性肾功能衰竭晚期常出现的危急情况是（）
A.头痛、呕吐
B.贫血、出血
C.呼吸困难
D.少尿、高血钾
E.高血压或低血压
