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【简答题】
光纤偏振控制器和光纤布拉格光栅的工作原理是什么?
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举一反三
【单选题】Despite the fact that his scores were good, they were hardly as excellent as a student with his intelligence .
A.
achieved
B.
had achieved
C.
would achieve
D.
should have achieved
【单选题】His scheme ________ in his face after all, despite his optimism. [ ]
A.
set up
B.
blew up
C.
burnt up
D.
built up
【单选题】Despite his ______ planning, the exposition turned out to be a failure.
A.
exquisite
B.
exhausted
C.
elaborate
D.
insufficient
【单选题】Despite Hwang didn't react to his new accusation Schatten would still keep explaining his claim.
A.
Y
B.
N
C.
NG
【简答题】IEEE802.11b射频调制使用 调制技术,最高数据速率达 。
【单选题】His business prospered and he became a person of means. Yet, despite his great riches, he gave no arms to the needy and no thanks to his benefactors whose savings ______ to his welfare.
A.
had contributed.
B.
contributed
C.
were contributed
D.
did contribute
【单选题】Tom looked at Jenny , tears _______ his eyes, and shouted out the words ________ in his heart for years.
A.
filling; having been hidden
B.
filled; hidden
C.
filling; hidden
D.
filled; hiding
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