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问题
判断题
在组织人员规模一定的情况下，极端的锥形结构缘于管理幅度最大化，而极端的扁平结构则来自于管理幅度极小化。（）
答案
参考答案：错
选择题
The highest award was given to Anna, who _____ so hard on the project for years, and at last her efforts paid off.
A. has worked
B. worked
C. was working
D. had been working
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单项选择题
体温调节中枢位于（）
A．脊髓
B．延髓
C．脑桥
D．中脑
E．下丘脑
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