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【单选题】
完全垄断厂商处于长期均衡状态时,存在()A.
a. 最小亏损
B.
b. 利润为零
C.
c. 最小利润
D.
d. 最大利润
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举一反三
【单选题】After several years, I was named department chair, and our relationship again.
A.
moved
B.
altered
C.
went
D.
shifted
【简答题】完形填空。 I watched as my little brother was caught in the act. He was sitting in the comer of the living room, a 1 in one hand and my father's hymnbook (赞美诗集) in the other. As my father walked into the r...
【单选题】听力原文：Where does the conversation probably take place? (17)
A.
On the Internet.
B.
In the library.
C.
In a cafe.
D.
On the phone.
【单选题】Don't . You must wait for your turn.
A.
cut in line
B.
cut in a line
C.
cut in the line
D.
go in the line
【简答题】—What is behind the door? —______ [ ] A The chair B A chair
【单选题】—What's this? —______. [ ]
A.
No, it isn't a chair
B.
That is a chair
C.
I am a chair
D.
It's a chair
【简答题】阅读理解。 Our school has a big library. We often go there. Today is Sunday. Lily and I are in the library. In the library there are some signs on the wall. The signs mean (意思是) different (不同的) things. We ...
【单选题】在锐捷交换机上配置VLAN并使用copy running-config startup-config命令后,VLAN的配置信息被保存在( )
A.
config.text中
B.
vlan.dat中
C.
vlan.conf中
D.
startup-config.text中
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