问题
填空题
有一种节日彩灯,20 只一组串联,若电源插头处电流为200mA ,则通过每只灯的电流为 A 。
答案
0.2
有一种节日彩灯,20 只一组串联,若电源插头处电流为200mA ,则通过每只灯的电流为 A 。
0.2
根据对话内容,选择适当的句子补全下列对话。(其中有两项是多余的)
Kangkang: Hi, Lily, Where are you going to go during the summer holidays? Lily: 小题1: Kangkang: How do you plan to get there? Lily: 小题2: Kangkang: When are you going there? Lily: On July 6th. We will stay there for about a month.. Kangkang: 小题3: Lily: Thanks. What about you, Kangkang? Kangkang: 小题4: . I miss them very much. Lily: That`s good. 小题5: Kangkang: Thanks. |