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【判断题】
逻辑函数的化简方法主要有代数化简法和卡诺图化简法。A.
正确
B.
错误
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举一反三
【单选题】The process of pupils learning to write is just like reading in that______.
A.
pupils allow another person to think for themselves while writing
B.
pupils learn how to write with the help of their teachers
C.
pupils should avoid being affected by their teacher's thoughts
D.
pupils write too much to reflect about their own wprks
【简答题】Within EU primary education, a clear majority of pupils choose to study English like a foreign language. Indeed, learning English is mandatory in several【M1】______ countries within secondary education...
【单选题】تەبىئەت 这个词音节的正确划分是 ( )
A.
تەبىئەت = تە+ﺑـىـ +ﯭت
B.
تەبىئەت = ت+ەﺑـىـ +ﯭت
C.
تەبىئەت = تەﺑـ+ىـ +ﯭت
D.
تەبىئەت = تە+ﺑـىـﯭ +ت
【单选题】What is WAN?
A.
World alone Network
B.
World area network
C.
Wide area network
D.
Wise area network
E.
Sorry I dont know
【判断题】已知: u 1 =(10 cos w t +5 cos 3 w t )V , u 2 =[10 cos w t +5 cos (3 w t + p )]V ,这两个非正弦电压的基波分量与三次谐波分量的振幅分别相等,因此, u 1 与 u 2 的有效值相等,二者的峰值也相等。
A.
正确
B.
错误
【单选题】已知两正弦电压: u 1 =10cos ( 100t+45 0 ) V , u 2 =2sin ( 100t+45 0 ) V ,则 u 1 与 u 2 的相位差为( )。
A.
0 0
B.
90 0
C.
180 0
D.
- 90 0
【单选题】_______ interesting it is to talk with some American pupils in English!
A.
How
B.
How an
C.
What
D.
What an
【单选题】What is A WAN？（）
A.
A network that connects client devices wirelessly using radio waves
B.
A network that crosses metropolitan, regional, or national boundaries
C.
A network that is restricted.to a single building ,a group of buildings, or even a single room
D.
A network that encompasses an entire city or metropolitanared. and. connects multiple LANs
【简答题】Look, the pupils ________ (have) an English class.
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