进近转弯中,空速保持不变,如果坡度增加,则必然使().
A.转弯半径不变
B.转变半径增加
C.转弯半径减小
参考答案:C
-What are you doing?
-I'm ____ the key to the door. [ ]
A. finding out
B. looking after
C. looking for
人本主义治疗中最重要的是()
A.同情
B.归纳
C.分析
D.倾听
E.指导