人民法院作出的撤销公安机关具体行政行为的判决就是直接监督。( )
参考答案:对
Yesterday, I gave Mary an apple ________ my favorite banana. [ ]
A. in preference to
B. in place of
C. in agreement with
D. in exchange for
流线型舵设计成中间空心并要求水密的主要目的是:()
A.获得浮力减轻舵承压力
B.节省材料及简化制造工艺
C.降低造价增加强度
D.提高水动力性能