A、good advices
B、a good advice
C、good advice
D、advices
()more experience ,he would have done it better.A、GivenB、GivingC、To giveD、Gave
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He ()her a beautiful hat on her next birthday.A. givesB. is going to giveC. gave
We are () to understand that you are potential buyers of Chinese.A、giveB、givingC、givenD、gave
The home team ______ dearly for their defensive errors.A、costB、 tookC、paidD、gave
The word “tallied” (Line 3, Para. 2) probably means ______.A.calculatedB.corresponded toC.listedD.gave
如b所示电压源与图a所示电路等效,则计算US'和R0的正确算式是:(A)Us'=Us+IsR1,R0=R1//R2+R3 (B)Us'=Us-IsR1,R0=R1//R2+R3 (C)Us'=Us-IsR1,R0=R1+R3 (D)Us'=Us+IsR1,R0=R1+R3
A.U=Us-R×I B.U=Us+R×I C.U=-Us-R×I D.U=-Us+R×I