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【简答题】
光纤传输网络中模间色散是光纤传输上每个模的群时延的不同引起的，只有多模光纤才有模间色散，（）不存在模间色散现象。
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举一反三
【单选题】I found it very difficult to put it into practice.
A.
direct object
B.
indirect object
C.
object complement
D.
attribute
【单选题】I found this story book very and it was very cheap , too.
A.
interested
B.
interesting
C.
interest
D.
interests
【单选题】I found it easy ______my English because I am very interested in it. [ ]
A.
improve
B.
to improve
C.
improving
D.
improved
【单选题】Man: How can you finish that long English novel only in one week? Woman: I found it very interesting. But I spent some time on consulting new words in a dictionary. Question: What does the woman mean?
A.
It is fun to read the novel.
B.
She can't understand the novel.
C.
New words in the novel make it very difficult to read.
D.
She didn't finish the novel in one week.
【单选题】Rosa was such a last-minute worker that she could never start writing a paper till the deadline was ______.
A.
emergent
B.
adjacent
C.
compulsory
D.
imminent
【简答题】A. 自定义动画时,以下不正确的说法是( ) 。 B. A.各种对象均可设置动画 C. B.动画设置后,先后顺序不可改变 D. C.同时还可配置声音
【单选题】I found this very profitable in diminishing the intensity of narrow-minded prejudice.
A.
lessening
B.
reflecting
C.
removing
D.
increasing
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