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【判断题】
排气节流阀是通过调节节流口处的面积来调节排气流量的。
A.
正确
B.
错误
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举一反三
【单选题】Barnaby Rudge is Dicken’s first novel of ______.
A.
the Revolution
B.
social history
C.
education
D.
life of laboring people
【单选题】圈梁必须是封闭的,当砌体房屋的圈梁被门窗洞口截断时,应在洞口上部增设相同截面的附加圈梁,附加圈梁的搭接长度不应小于其垂直距离的(    )倍(且不得小于1m)。
A.
1    
B.
1.2    
C.
1.5    
D.
2.2
【判断题】按各信道间的波长间隔的不同,WDM可分为密集波分复用和稀疏波分复用。
A.
正确
B.
错误
【单选题】Of Dicken’s novels, _____ is considered most autobiographical. ( )
A.
A Tale of Two Cities
B.
David Copperfield
C.
Oliver Twist
D.
Great Expectations
【简答题】按各信道间的波长间隔不同,WDM可分为()复用和稀疏波分复用。
【单选题】What was Charles Dicken's first famous novel?
A.
A Christmas Carol
B.
David Copperfield
C.
The Pickwick Papers.
D.
Oliver Twist
【判断题】按各信道间的波长间隔的不同,WDM可分为密集波分复用和稀疏波分复用。()
A.
正确
B.
错误
【判断题】按各信道间的波长间隔的不同,WDM可分为密集波分复用和稀疏波分复用
A.
正确
B.
错误
【单选题】Many of Dicken's novels _______
A.
were published in the 19 the century
B.
made people want to read them in one go(一次读完)
C.
had cliffhangers at the end
D.
were first published in episodes in magazines
【多选题】What happened to Dicken when he was a child?
A.
His parents got divorced.
B.
His father got bankrupt and was prisonzed.
C.
He was abandoned by his parents.
D.
He had to work in a factory labelling bottles.
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