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【单选题】
理想电压源的特性是: ( )
A.
输出电流恒定
B.
输出电压恒定
C.
内阻不等于0
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【判断题】The House of Tudor ruled throughout the whole 16th century and over a decade of the 15th century.
A.
正确
B.
错误
【单选题】把如图所示的二端网络等效为一个电源,其电动势和内阻为()
A.
3V,3Ω
B.
3V,1.5Ω
C.
2V,3/2Ω
D.
2V,2/3Ω
【单选题】关于ASCII编码,以下说法错误的是
A.
ASCII是美国信息交换标准代码的简称
B.
ASCII码包含的字符并不是都可以打印输出
C.
ASCII码是一种8位编码
D.
ASCII码中的的三组常用字符:阿拉伯数字、大写英文字母、小写英文字母,它们的编码都是分别连续递增的
【单选题】根据赫茨伯格的双因素理论,下面的( )因素属于保健因素
A.
个人对于工作的兴趣
B.
工作条件
C.
责任
D.
工作的完整性
【单选题】Take breaks. Schedule time for frequent breaks throughout the day. Rise from your desk, stretch or walk around the house or down the street. __ 4 __ If you need social activities, go out to lunch with...
A.
It could be a spare bedroom that you've turned into a home office.
B.
Plan your work around your most productive hours.
C.
Do your best to set work hours and stick to them.
D.
Take a lunch break and enjoy a midday meal.
E.
It is more comfortable to stay at home.
F.
Some interruptions can't be avoided.
G.
Avoid online distractions as well.
【判断题】Throughout the history of New Zealand, its Parliament consists of only a single chamble, the House of Representatives.
A.
正确
B.
错误
【单选题】把如图所示的二端网络等效为一个电源,其电动势和内阻分别为()。
A.
3V,3Ω
B.
3V,1.5Ω
C.
2V,3/2Ω
D.
3V,2/3Ω
【单选题】Placido Domingo has sung in opera house throughout the United States and abroad.
A.
on the radio
B.
on recording
C.
in private homes
D.
in other countries
【单选题】NPT5型空压机的曲轴属于下列空压机系统的( )部分。
A.
机体
B.
传动系统
C.
空气压缩系统
D.
润滑系统
【单选题】把如图所示的二端网络等效为一个电源,其电动势和内阻为( )。
A.
2V,2/3Ω
B.
3V,1.5Ω
C.
2V,3/2Ω
D.
3V,3Ω
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