【判断题】English pupils are required to attend collective worship at school.
【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
【单选题】تەبىئەت 这个词音节的正确划分是 ( )
【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。
【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( )。
【单选题】What is A WAN?()
A.
A network that is restricted.to A single building ,A group of buildings, or even A single room.
B.
A network that encompasses an entire city or metropolitanared and connects multiple LANs.
C.
A network that connects client devices wirelessly using radio waves.
D.
A network that crosses metropolitan, regional, or national boundaries.
【单选题】_______ interesting it is to talk with some American pupils in English!
【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.