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【单选题】
布雷顿森林体系崩溃的原因不包括( )A.
可调整汇率制过于僵化，难以按照实际情况经常调整
B.
国际收支失衡调节乏力，且调节责任不对称
C.
货币发行国与其他国家之间利益分配不公平
D.
人们对美元的信任度降低
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反馈参考答案：
举一反三
【单选题】许多航空公司经常200%超售繁忙航线上的机票。
A.
Many airlines irregularly overbook busy routes to as much as 200 percent.
B.
Many airline regularly overbook busy routes by asmany as 200 percent.
C.
Many airlines regularly overbook busy routes by as much as 200 percent.
D.
Many airline regularl overbook busy routes by as much as 20 percent.
【单选题】“ 表设计器 ” 中的 “ 允许空 ” 选项用于设置该字段是否可以输入空值,实际上就是创建该字段的 ( ) 约束。
A.
主键
B.
外键
C.
NULL
D.
CHECK
【单选题】Who will you_____ when you need help ? [ ]
A.
turn on
B.
turn to
C.
turn up
D.
turn over
【单选题】Life's been a long, exciting trip, and it's taken me to a lot of places: law school at Yale with Hillary Rodham Clinton; speechwriting at the White House for Richard Nixon; preparing stock advertising...
A.
Y
B.
N
C.
NG
【简答题】A．Exposing oneself to the target culture. B．Drawing up a good language program regularly. C．Doing some reading every morning. D．Developing good note-taking skills.
【单选题】You may ______ your teachers for help when you have problems.
A.
turn up
B.
turn down
C.
turn to
D.
turn off
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