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【单选题】
磁路中磁阻的单位是()。
A.
欧姆
B.
C.
1/
D.
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参考答案:
举一反三
【单选题】Why does Michael need Dave’s report?
A.
He needs to review before they submit it.
B.
He wants to know if Dave works hard.
C.
He needs Dave’s help.
D.
He is Dave’s boss.
【简答题】Once, a lioness and her cub were hunting in the jungle. The baby asked its mother, "Mother, why are we hunting when a deer is already at home?” The mother said, "My love! We can' t eat that deer becau...
【单选题】虚拟主机技术不能通过( )架设网站。
A.
TCP端口
B.
计算机名
C.
IP地址
D.
主机头名
【多选题】如下所示的IP地址 / 前缀对是有效的主机地址的是( )。
A.
127.1.0.10/24
B.
172.16.255.0/16
C.
192.31.7.255/24
D.
64.102.255.255/14
E.
224.0.0.5/16
F.
10.0.255.255/8
【判断题】IT系统中性点接地或经过高阻抗接地,因此当系统发生单相接地故障时,三相设备及接线电压的单相设备仍能照常运行。
A.
正确
B.
错误
【简答题】My sister and I looked forward to new clothes for the New Year. But one day my mother said, "Listen, children. We don't have enough money now. So only one of you can get new clothes." he silence laste...
【简答题】The milkmaid and her pail A milkmaid was going to the market. She carried her milk in a pail on her head. As she went along she began calculating what she would buy after she had sold the milk. "I'll ...
【单选题】世界上航线最多的区域航线是( )
A.
东半球航线
B.
西半球航线
C.
北太平洋航线
D.
北大西洋航线
【单选题】世界上航线最多的区域航线是( )
A.
西半球航线
B.
东半球航线
C.
北大西洋航线
D.
北太平洋航线
【单选题】虚拟主机技术不能通过( )架设网站。
A.
计算机名
B.
TCP端口
C.
IP地址
D.
主机头名
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