皮皮学，免费搜题
登录
搜题
【判断题】
( )在中性点接地的三相四线制低压配电网中(即TN型电网),为防止放电事故的发生,可将电气设备的外壳接至该网络中的零线。A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】A big peach is ____________ the short tree and a small bird is ____________ the tall tree. [ ]
A.
on; on
B.
on; in
C.
in; on
【单选题】What was the feature of the big tree?
A.
The tree was evergreen
B.
The tree was big enough to protect apes
C.
The tree was strong because of many trunks
D.
The tree had strange appearance
【单选题】运行下列程序后,选择全局变量t.x和t.s的正确输出结果。 #include "stdio.h" struct tree { int x; char s[20]; }t; void Func(struct tree t) { t.x=10; strcpy(t.s,"computer"); } void main() { t.x=1; strcpy(t.s,"Microcomputer"); Fun...
A.
10，computer
B.
1,Microcomputer
C.
1,computer
D.
10,Microcomputer
【简答题】As the bus came round the corner, it ran ________ a big tree by the roadside. A: over B; into C; on
【简答题】装配工作的组织形式有 、 、 和 四类。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
