题目

小明按照如图甲所示的电路图测量一只额定电压为2.5V的小灯泡的电功率，部分实验数据和现象如下表。 实验次数 电压表示数/v 电流表示数/A 灯泡亮度 1 1 0.2 较暗 2 2.5 正常发光 3 3 0.52 很亮 4 6 0 不发光 （1） 分析表中实验数据可知，小明所用电源电压为V。 （2） 用笔代替导线，完成测小灯袍额定功率时实物图图乙的连接。 （3） 小明同学闭合开关后，任务型阅读     Hello! My name is Tina.  I come from America, but I love China very much, because my mother is  Chinese.  Today (今天) is October 18th-my birthday.  In the morning, my parents take me(A) _____ a  store and buy a red skirt for me,(B) for I like red very much.  In the afternoon, we go to Disneyland (迪 士尼乐园) I have fun there. (C) In the evening, we have a birthday party at home.  My friends all come  to mu party and we eat a big cake (蛋糕).  Thank my parents and friends for giving me a happy birthday! 1. 请写出A处所缺的单词:                _____2. 猜一猜B处划线单词的意思:        ____________________3. 请将C处的句子翻译成汉语:         ____________________4. What do they eat in the evening?      ____________________5.  Is Tina happy today?      ____________________