题目

  水平放置的平行板电容器与一电池相连，在电容器的两板间有一带电质点处于静止状态，现将电容器两板间的距离增大，则A．电容变大        B．电容变小     C．质点保持静止        D．质点向下运动  答案：B解析:略 根据内容判断正误 My name is Jack. Today I am very happy, because it's my birthday. I eat eggs and noodles for breakfast. I invited my friends to my house and play with me. They bring some blue things for me. Blue is my favorite colour. Linda brings me a blue card. Tom brings me a blue hat. Lily brings a blue cake. We sing and dance together. After the party, we go to the cinema. We watch a funny film. We are happy.【1】Today is Jack's birthday. （_____）【2】Jack's friend bring him some red things. （_____）【3】Jack has some eggs and noodles for breakfast. （_____）【4】Linda brings a blue cake. （_____）【5】They have fun together. （_____）【6】After the party, they go to the supermarket. （_____）