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【多选题】
在OSPF协议中,常见的特殊区域包括()A.
Stub区域
B.
Totally Stub区域
C.
NSSA区域
D.
骨干区域
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反馈参考答案：
举一反三
【单选题】Halley made his discovery ______.
A.
by doing experiments
B.
by means of his own careful observation
C.
by using the work of other scientists
D.
by chance
【单选题】CONSERVATORY : MUSIC ::
A.
arsenal: guerrilla
B.
apartment : resident
C.
inferno : reward
D.
observatory: heavens
E.
can : catering
【单选题】From this article we can guess that the author is a ______.
A.
reviewer.
B.
journalist.
C.
observer.
D.
novelist.
【单选题】However, unfulfilled______of technology application have created a gap between earth observation services and the application markets not integrated into the economic mainstream.
A.
charges
B.
pledges
C.
mergers
D.
charts
【单选题】What landmark is located in the center of the city?
A.
The history museum
B.
The weather observatory
C.
The suspension bridge
D.
The government buildings
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