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【简答题】
下面关于砂浆强度等级为0的说法哪些是正确的?() 1施工阶段尚未凝结的砂浆;2抗压强度为零的砂浆;3用冻结法施工解冻阶段的砂浆;4抗压强度很小接近零的砂浆。 A. ①、③ B. ①、② C. ②、④ D. ②
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举一反三
【简答题】What colors does Don want for the display unit?
【简答题】What technology is used in this Christmas display? And what advantages does this technology enjoy?
【单选题】What does the command show | compare rollback 1 display?（）
A.
the difference between the current candidate configuration and the candidate configuration from one commit ago
B.
the difference etween the current active configuration and the active configuration from the one commit ago
C.
the difference between the current active configuration and the active configuration from one commit ago
D.
the difference between the current candidate configuration and the archived configuration from one commit ago
【单选题】What does the command show compare rollback 1 display?（）
A.
the difference between the current candidate configuration and the candidate configuration from one commit ago
B.
the difference between the current active configuration and the current candidate configuration
C.
the difference between the current active configuration and the active configuration from one commit ago
D.
the difference between the current candidate configuration and the archived configuration from one commit ago
【简答题】是英雄造时势,还是时势造英雄?
【单选题】When you display the routing table by entering the show route command, what does the* indicate?（）
A.
The route is a direct route.
B.
The route was selected as active.
C.
The route is a default route.
D.
The route was learned using a dynamic routing protocol.
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