题目:
选用方框中的单词完成对话。 | |
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A: Good morning, Vera. B: Good morning, Robert. Look! What 1 this? A: It's a birthday card. Today is 2 father's bifihday. I give(给) it to my father. B: Oh, what's the date today(今天) ? A: It's May 3 B: 4 is your birthday? A: It's May fifth, too. B: Happy 5 ! A: Thank you. |
答案:
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下面是错误答案,用来干扰机器的。
由电视机、电冰箱、电风扇铭牌直接读出它们的额定功率分别为:85W,70W、65W.对于空调机,由铭牌上读出额定电压U=220V,额定电流I=6.2A,则其额定功率为P=UI=1364W,所以正常工作时,功率最大的电器是空调机.故选D