书,是知识的源泉。不管何时,它都将是我们永远的良师益友。花红叶落,斗转星移。如梭似的日月趁我不注意,转个圈,把我带到了2020年的世界来。揉揉眼睛,眼前一切让我惊呆:能源回收器,光速飞船,高速飞车纯太阳能……随处可见。其中最让我感到兴奋的则是——“声控书”。“声控书”?好奇吧!那天,我正漫步于田园小街上。一滴水调皮地跳到我手心。它好圆好透亮,若似珍珠,让人一瞧着就迷恋上它。正把玩着,一声轻细柔和的“甜美提醒”:“主人,小心!”传入耳 Book, is the source of knowledge. It will be our eternal mentor no matter when. Fall leaves fall, bucket to star. Like a shuttle like the sun and the moon while I do not pay attention, turn around, took me to the 2020 world. Rubbed his eyes, all in front of me so shocked: energy recovery, speed of spacecraft, high-speed car pure solar ... ... can be seen everywhere. One of the most exciting things about me is - “Voice Book ”. “Sound book ”? Curious! That day, I was walking in the garden street. A drop of water playfully jumps to my palm. It is a good round translucent, if it seems pearl, people look at the obsessed with it. Is playing, a soft light “sweet reminder ”: “owner, be careful!”