如图所示是a、b、c三根铁块用细线悬挂在空中静止时的位置，若其中有一根没有磁性，那么这一根没有磁性是（　　）

​

梁山好汉黑旋风李逵与兄弟逛街，这条街上有人说书、唱曲、卖饮料、相面算卦、杂耍、表演等等。当时他们去的地方应是（　　）

    My name is Li Li. I'm eleven. I'm from China. My mum and dad work in a big factory. They go to work every day but rest two days. I have a sister. We look like each other very much and we like to help each other. She is a middle school student and comes home in the afternoon. Everyone in my family likes to look after me.

    My sister and I are in the same school. I'm a good student in my class. There are forty-two students in our class, twenty boys and twenty-two girls. We have our lessons from eight o'clock in the morning to four o'clock in the afternoon. My teacher of English, Miss. Green is from England. She is a good teacher. We go to school from Monday to Friday .We have five English classes a week. Now we can say a hundred words, and play games in English. We like English. We like our English teacher.