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【判断题】
在其他条件保持不变的情况下,改变传输线某一根导线的半径,对另外一根导线表面的电场强度没有影响( )
A.
正确
B.
错误
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举一反三
【单选题】Here is _______old book. And_________ old book is my sister’s.
A.
an, the
B.
an, an
C.
the, an
D.
the, the
【简答题】十一、选择正确的选项,补全对话。 A: What can I do for you? B: 1. _____ A: How old is your daughter? B: She is four years old. A: Look. Here are some bikes for the students. B: 2. _____ A: White one? Here are some...
【简答题】UNI :
【单选题】对于具有n个结点、b条支路的电路,可以列出______个独立的KCL方程和______个独立的KVL方程。
A.
n,b
B.
n-1,b-n+1
C.
n-1,b-n-1
D.
n,b-n
【单选题】UNI是( )。
A.
业务节点接口
B.
用户网络接口
C.
维护管理口
D.
核心网接口
【多选题】下列关于中兴ZXCTN6000进行UNI配置以下说法正确的是:()
A.
如果UNI端口已经绑定了业务,则不允许删除
B.
如果UNI端口已经绑定了业务,则不允许修改UNI内绑定的物理端口
C.
配置E1业务时,不需要配置UNI接口
D.
配置UNI端口时,会直接生成相关的CIP接口(网管侧不可见CIP,仅设备侧可见)
【单选题】指出句 中主语: There is an old man coming here.
A.
an old man
B.
there
C.
there is
D.
here
【简答题】Look! Here is a photo my family. I have(有) a big family. My are very old now. My grandfather is 70 years old and my grandmother 69 years old. I have an . He’s my father’s . I have two . They’re my mot...
【简答题】阅读理解。 Our class is going to volunteer to serve (服务) the old people's home. Here is the plan. 8:00 - 9:00    Clean, mend (修理) chairs and tables 9:00 - 9:30    Dance, sing and chat 9:30 - 10:30   Plant ...
【单选题】Could you tell me ? [     ]
A.
how old is your son
B.
that he will come here soon
C.
weather is fine tomorrow
D.
who is going to speak at the meeting
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