最近,编辑部不断收到各方的来电、来信以及E-mail,询问有关双语热气球的事。我们在2006年12期上曾经预告过,只要你订阅了2007年全年的《少年科学》,你就能得到一个精美的彩色立体纸模——双语热气球。大家只要把每期夹在杂志中 Recently, the editorial department has continuously received calls, letters and E-mail from all parties and asked about bilingual hot-air balloons. We had previously warned in the 12th issue of 2006 that as long as you subscribe to the “Science in Youth” for the whole year of 2007, you will get an exquisite colored stereoscopic paper model - bilingual hot air balloon. Everyone just clip each period in the magazine