【单选题】已知 R 1 和 R 2 两个电阻,且 R 2 =3 R 1 ,若串联在电路中,则 R 1 消耗功率与 R 2 消耗功率之比为()。
【单选题】You pass a co-worker in the hallway and he asks "How are you?". You respond by:
A.
explaining that you are tired and stressed out in your job
B.
telling him that your back has been hurting you and you have a cold
D.
asking “ Where are you going?”
【单选题】R 1 和 R 2 两个电阻并联,已知 R 1 =2R 2 , 且 R 1 上消耗的功率为 1W ,若 R 1 单独接在同一电源上, 则消耗的功率为( )。
【单选题】You pass a co-worker in the hallway and he asks "How are you?".You respond by:
A.
Telling him that your back has been hurting you and you have a cold
C.
Explaining that you are tired and stressed out in your job
D.
asking “ Where are you going?”
【单选题】( )是指由于信息不对称所造成的市场资源配置扭曲现象。
【单选题】You pass a co-worker in the hallway and he asks "How are you?".You respond by
A.
telling him that your back has been hurting you and you have a cold.
B.
saying "Fine, thanks".
C.
explaining that you are tired and stressed out in your job.
D.
asking “Where are you going”.
【单选题】You pass a co-worker in the hallway and he asks “How are you?” You respond by:
A.
Telling him that your back has been hurting you and you have a cold.
B.
Saying “Fine, thanks.”
C.
Explaining that you are tired and stressed out in your job