调节器的比例度δ越大，则调节器放大倍数（）。
参考答案：越小
They were surrounded by the enemy, but they________at last from the village. [ ]
A. managed escaping
B. tried to escape
C. managed to escape
D. tried escaping
中央部属院校国家助学贷款贴息由（）负担。
A.学校
B.地方财政
C.中央财政
D.学生
