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【判断题】
模块二知识点3交流不间断电源系统作业. 3. UPS不易频繁进行逆变/旁路的切换。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】Why did he give up his job in the factory? Because he had ______ .
【简答题】当将文件属性设置为()后,用户就不能修改该文件的内容。
【单选题】Computers can beat chess champion Gary Kasparov at his game, count all the atoms in a nuclear explosion, and calculate complex figures in a fraction of a second, but they still fail at the slight diff...
A.
defeating the best chess player in the world
B.
telling subtle differences between languages
C.
translating over 60 percent of difficult texts
D.
doing human-like common sense reasoning
【单选题】在一个二元线性回归模型中,X1和X2都是因变量的影响因素。先用Y仅对X1回归,发现没有相关性。接着用Y对X1和X2回归,发现斜率系数 有较大变化,这说明第一个模型中存在:
A.
异方差
B.
完全多重共线
C.
遗漏变量偏差
D.
虚拟变量陷阱
【单选题】What's the public's opinion about nuclear industry?
A.
People have little confidence in nuclear power for the potential disaster of nuclear accidents.
B.
People think it important to exercise strict monitoring and effective management of the existing plants.
C.
People believe the best way to avoid nuclear disaster is to shut down all the nuclear power stations.
D.
People agree to prohibit the existing nuclear plants from running to the end of their useful lives.
【多选题】如果输出的不是最早最短出现的那个字符串,而是最后面出现的最短字符串,怎么进行输出中间值的方式调试,最容易得出结果?(多选)
A.
当前最短的字符串str
B.
当前最短的字符串长度di
C.
当前的标志位flag
D.
当前的字符串s
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