【简答题】题如图所示电路中,电源电压U S =24V,R 1 =20Ω,R 2 =30Ω,R 3 =15Ω,R 4 =25Ω,R 5 =100Ω,R=8Ω。求电源供出的功率。
【单选题】Mr.Wang,thank you for you_____ during my stay here.
【简答题】简述计算机网络的分类(1.根据计算机网络覆盖范围分类;2.根据链路传输控制技术分类;3.根据网络传输技术分类;4.根据网络使用范围分类;5.根据网络组件关系分类;6.根据网络拓扑结构分类)
【单选题】听下面的录音[pao1],请选出来正确的答案。
【简答题】Millions of British people have ditched the traditional ‘thank you’ and replaced it with the less formal ‘cheers’, according to a survey. Although the average person will say ‘thank you’ nearly 5,000 ...
【单选题】— Would you come to our party tomorrow, Della? — I’m afraid I can’t afford the time, but thank you for the invitation _______.
【简答题】Millions of British people have ditched the traditional “thank you” and replaced it with the less formal “cheers”, according to a survey. Although the average person will say “thank you” nearly 5,000 ...
【单选题】Mr.Wang,thank you for your_____ during my stay here.
【简答题】题如图所示电路中,电源电压U S =24V,R 1 =20Ω,R 2 =30Ω,R 3 =15Ω,R 4 =100Ω,R 5 =25Ω,R=8Ω。求电源供出的功率。
【多选题】石油沥青三组分分析法,将石油沥青分为()等组分。