如图所示，是某探究小组测量电阻时所得到的两个定值电阻A和B的电流和电压关系的图象，则A的电阻为        Ω；若将A和B并联接入到电压为15V的电源两端时，电路中的总电流为            A。

根据各句中所给汉语注释，在句子右边的横线上写出其正确形式。

1. Can you ______ (组织) the games for the class party?

2. There are a lot of old ______ (工厂) in our city.

3. Be ______ (小心) of the dog that does not bark.

4. You have to be 18 years old before you are ______ (允许) to drive a car.

5. Everyone else in my class was invited ______ (除) me.