我用了整整一个暑假的时间,发明了一个“智能信息书包”,取名为“松松”。“松松”的体积只有一本《小学生字典》那么大,重量只有300克。别看它小,本领可大啦!每天清晨,它总是按我事先告诉它的时间,准时把我叫醒。我吃过早餐,背起“松松”高高兴兴地上学去。当我骑车行驶在马路上时,遇到我们班的同学,我刚想开口说话,“松松”好像知道了我的心思,便马上提醒说:“骑车时不要说话。” I spent a whole summer time, invented a “smart information bag”, named “loose.” “Songsong” volume is only a “pupil dictionary” so large, weighing only 300 grams. Do not look at it small, the skills can be big! Every morning, it always told me in advance of its time, wake me up on time. I had breakfast, back “loose” cheerfully go to school. When I was riding a bicycle on the road, I met the students in our class. I just wanted to say something. “Loose” seemed to know my mind and immediately reminded me: "Do not speak while cycling.