皮皮学,免费搜题
登录
搜题
【单选题】
听力原文:M: Do you want your television repaired? W: Yes, but not by the place you recommended. M: Why not? The repairmen are very good and the charges are so reasonable. W: That may be, but I couldn't find it. M: But you couldn't miss it. I told you to turn right after the railroad bridge. W: I did that. I went to the end of the road. There is no such a place. M: Wait a minute. Perhaps it is the second right. Yes, I think it is. W: I should have known. Whenever someone says 'you can't miss it', you can be sure that you won't find it. (17)
A.
It needed fixing.
B.
It got lost.
C.
It couldn't receive any program.
D.
Its images were not clear.
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】简述电力系统短路故障(简单短路)的分类、危害以及短路计算的目的是什么?
【单选题】以下叙述正确的是( )。
A.
最短路径一定是简单路径
B.
Diikstra算法不适合求有回路的带权图的最短路径
C.
Diikstra算法不适合求任意两个顶点的最短路径
D.
Floyd算法求两个项点的最短路径时,pathk-1一定是pathk的子集
【简答题】简述电力系统振荡和短路的区别是什么?
【简答题】简述什么是短路。
【简答题】什么是最短路径?简述经典的最短路径算法过程。
【简答题】简述主变压器次边短路,过流保护控制电路的电流路径是?
【简答题】简述短路电流计算的目的是什么。
【多选题】青少年结交朋友是有选择性的。一般说来,有()等几种类型。
A.
地域型
B.
相似型
C.
互补型
D.
对立型
【简答题】皮尔条例
【单选题】( )提出了完型一顿悟说,认为学习的实质是在主体内部构造完型。
A.
苛勒
B.
托尔曼
C.
桑代克
D.
布鲁纳