在下面的自我介绍中，填入合适的词。

     Hello. My name is Jim. I'm from England. My favourite subject (学科) is 1______. My favourite sport is

2______, and I often play football with my friends. My favourite colour is 3______. I have a 4______ family.

They are: my father, my mother and I. My parents 5______ me.

关于滑动变阻器，下列说法中不正确的是（　　）

A．滑动变阻器要与被控制电路串联

B．滑动变阻器的四个接线柱是可以任意连接的

C．滑动变阻器在电路中不但能改变电路里的电流，还能起到保护电路的作用

D．滑动变阻器电阻丝的绝缘漆与滑片相接触的部分被刮掉了