Hello, I'm Tom. I go to a new school in Xi'­an. I have Chinese, maths, English, music, art and PE at school. I like Chinese. My Chinese teacher is Ms Li. She is young and kind. My PE teacher is tall and strong. He is a good basketball player. Mr Chen is my maths teacher. He is funny. My English teacher is Ms Wang. She is not young and she is very strict, but sometimes she is very nice. I like my new teachers and I like my new school.

“微时代”已经悄然来到我们身边，手机微信成为大众交流的平台。下面是9年级小李同学微信朋友圈的部分内容：

学习了家庭电路的知识后，小华与爸爸一起将书房电灯（L₁）的开关断开，从开关内两个触点引出两根电线接在一个插座上，然后将台灯的插头插入插座，闭合台灯（L₂）的开关，则（　　）