题目

Living and dealing with kids can be a tough job these days, but living and dealing with parents can be even tougher.If I have learned anything in my 16 years, it is that communication is very important, both when you disagree and when you get along. With any relationship, you need to let other person know how you are feeling. If you are not able to communicate, you drift apart.When you are mad at your parents, or anyone else, not talking to them doesn’t solve anything.Communication begins with the concerns (关心) of another. It means that you can’t just come home from school, go u如图所示:一理想变压器原副线圈的匝数比为 1∶2;副线圈电路中接有灯泡,灯泡的额定电压为220V,额定功率为22W;原线圈电路中接有电压表和电流表.现闭合开关,灯泡正常发光.若用 U 和 I 分别表示此时电压表和电流表的读数,则(    )A.U="110V" ,I=0.2A B.U="110V" ,I=0.05A C.U=110V ,I=0.2A D.U=110V ,I=0.2A
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