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【简答题】
假定闭关自守状态下的x商品的价格，在A10美元，在B8美元，在C6美元，并且A小国，不能通过贸易影响BC国的价格。 (1)如果A从BC国进口的X商品最初征收非歧视性的百分之百从价税，那么A从国内生产X商品还是从BC国进口X商品? (2)如果A国与B国结成关税同盟，A在国内生产X还是从BC国进口? (3)A国与B国建立的关税同盟是贸易创造关税同盟，还是贸易转移关税同盟，或二者都不是? (4)如果A国最初从Bc国进口的x商品征收50%(而不是100%)无差别从价税，A在国内生产x商品还是从BC国进口?
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举一反三
【单选题】Neither the students nor the teacher _______ got the right answer.
A.
have
B.
has
C.
is
D.
are
【单选题】June looks so _______ today because she has got an “A” in her math test. [ ]
A.
happy
B.
happily
C.
angry
D.
angrily
【单选题】Teacher: Where is Mike this morning? Student: He‘ s got a cold. Teacher:__________
A.
Just tell him to take it easy.
B.
He is absent.
C.
What' s the matter with him?
D.
What? Where is he?
【单选题】The students looked ,so the teacher repeated the question. [ ]
A.
puzzled
B.
worried
C.
excited
D.
angry
【单选题】My teacher ________ this morning because I was late for class again.
A.
got tired
B.
got away
C.
got annoyed
D.
got excited
【单选题】—What do you think of your Chinese teacher? —She is kind and ____ with us. [ ]
A.
patient
B.
mad
C.
angry
D.
bad
【简答题】投标报价的类型有生存型、 、盈利型。
【单选题】Teacher：Where is Mike this morning? Student：He's got a cold. Teacher：______
A.
He is absent.
B.
What's the matter with him?
C.
Just tell him to take it easy.
D.
What? Where is he?
【多选题】对于机房电源系统的配置，下列说法正确的是（）。
A.
交流配电设备：交流配电设备的配置应按满足远期容量考虑
B.
组合式开关电源的机架容量应按远期容量考虑，其整流模块应按近期负荷N+1（10块整流器以上每10块多备用1台）冗余配置
C.
一般情况下，开关电源需具有二次下电功能
D.
一般情况下，后备蓄电池放电时间要求：市区基站不小于10小时郊区基站不小于4小时
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