绪论 单元测试

1、 问题:

同一型号的灯泡,单个灯泡接220V电源与两个灯泡串联接220V电源,灯泡的亮度有什么变化? (   )

选项:
A:变亮
B:变暗
C:不变
答案: 【
变暗
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第一章 单元测试

1、 问题:A charge +Q is fixed in position as a small charge +q is brought near it and released from rest. Which best describes the magnitude of the velocity of the charge +q as r, the distance between the charges increases? ( )
选项:
A:The magnitude of the velocity will increase, and its rate of increase will also increase.
B:The magnitude of the velocity will increase, but its rate of increase will decrease.
C:The magnitude of the velocity will remain constant.
D:The magnitude of the velocity will decrease, and its rate of decrease will also decrease.
E:The magnitude of velocity will increase, but its rate of decrease will increase. 点我阅读全文

第一章 单元测试

1、 问题:为“标准成本制度”的确立奠定了思想及理论基础的是( )。
选项:
A:泰罗的科学管理学说
B:现代管理科学
C:劳动工资制度
D:预算控制制度
答案: 【
泰罗的科学管理学说
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第一章 单元测试

1、 问题:Which one is incorrect? ( )
选项:
A:Eye cleft width:30-36mm
B:Eye cleft height:15-18mm
C:Single eyelid is feature of the Mongoloid.
D:The medial canthal distance is the width of the eye.
答案: 【
Eye cleft height:15-18mm
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