“李老师,我给您变个魔术吧。”4岁半的丫丫跑进借阅室时手里拿的不是书,而是一盒橡皮泥。我一脸的惊讶:“真的吗?你会变什么魔术呢?”“过来,到这儿来。”丫丫拉着我的手来到一旁的桌前,把橡皮泥盒打开,从里面拿出一小块黄色和一小块蓝色的橡皮泥问我:“这是什么颜色的?”我如实答出。她又神秘地问:“你猜猜我把它们混到一起会变成什么颜色?”我故作不 “Teacher Li, I will give you a magic trick. ” 4-year-old Ya Ya ran into the lecture room when the hands are not book, but a box of plasticine. My face surprised: “Really? What magic you will change? ” “Come here, come here.” Yaya took my hand to the side of the table, open the plasticine box , Come out from the inside a small piece of yellow and a blue piece of blue plasticine asked me: “This is what color? ” I truthfully answered. She mysteriously asked again: “You guessed what color would I get when I mixed them together?” "I pretend not to be