某学习小组在一次实验探究中利用电压表和电流表测得了多组数据,记录如下表.请根据表中给出的数据,判断分析出他们实验时的电路可能是图中的( )
U/V
3.0
2.5
2.0
1.8
1.5
1.3
I/A
0.20
0.30
0.40
0.44
0.50
0.54
六(2)班共有学生48名,一次数学练习中有6人不合格,该班的合格率是____%。
A. Let me see. I think it's a toilet for a pet(宠物).
B. Yes. I do. I like studying them.
C. Do you know anything about the public signs?
D. OK. What does that sign on the door mean?