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【单选题】
在DBS中，最接近物理存储设备一级的结构，称为（ ）。A.
内模式 ；
B.
外模式 ；
C.
用户模式；
D.
概念模式；
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反馈参考答案：
举一反三
【单选题】The earned value technique is a commonly used method of performance measurement．It integrates project scope，schedule，and cost measures to help the project management team assess project performance．If...
A.
the cost savings for work completed
B.
the project is ahead of its planned schedule
C.
the cost overrun for work completed
D.
1ess work was completed than was planned
【单选题】While I can strive for【B4】______into Harvard
A.
scholarship
B.
citizenship
C.
admittance
D.
integration
【简答题】语言中最小的符号是( )。
【单选题】The earned value technique is a commonly used method of performance measurement． It integrates project scope, cost, and schedule measures to help the project management team assess project performancI...
A.
the project is ahead of its planned schedule
B.
less work was completed than was planned
C.
the cost overrun for work completed
D.
the cost under-run of performance to date
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