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【单选题】
()代表的是超文本传输协议,用来负责网页页面的传输。A.
http
B.
url
C.
html
D.
web
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】A．He was housed by Emma Thompson five years ago. B．He has graduated from an England university. C．He has become a British citizen. D．He will be 15 years old in April.
【简答题】已知电路如图所示，R 1 =10Ω，R 2 =40Ω，R L =10Ω，L 1 =5H，L 2 =1H，M=0.5H， ，ω=100rad/s，试求 和 。
【单选题】(Even though) Sedat (has been studying) English for three years before he came (to the United States), It is still difficult for him (to express himself).
A.
Even though
B.
has been studying
C.
to the United States
D.
to express himself
【简答题】已知电路如图a所示，U S =48V，R 1 =2Ω，R 2 =R 4 =3Ω，R 3 =6Ω，R L =5Ω，试用戴维南定理求解I O 。
【简答题】根据短文后所给的任务，完成小题. Now the idea of “car sharing” has become popular in Europe and the United States. That’s to say, people share（分享） one car, not each person has one . (65) As we know, most cars are par...
【简答题】已知电路如图a所示，R 1 =1Ω，R 2 =2Ω，R 3 =3Ω，R 4 =4Ω，R L =5Ω，U S =15V，试用戴维南定理求电阻R中的电流I。
【简答题】电路如图所示。已知 RL= 5Ω,试求电路中的电流 I 。
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