断层的上盘是指（）。
A.断层相对向上运动的一盘
B.断层面以上的断盘
C.相对向上滑动的一盘
D.断层主动一盘
参考答案：B
— Your sister nearly ________ all her spare time to her study during the three years.
— That's right, or she ________ the first place in her school in the College Entrance Examination. [ ]
A. devoted; wouldn't have taken
B. spent; wouldn't have taken
C. hadn't devoted; hadn't taken
D. hadn't spent; couldn't take
Hugh-Leifson设计的O-F培养基中加入的指示剂为（）
A.酚红
B.亚甲基蓝
C.溴麝香草酚蓝
D.溴甲酚紫
E.结晶紫
