下列唐朝与国外友好交往的史实，不发生在唐太宗时期的是(   )

墨子思想折射出中国传统道德文化中崇尚和平、追求和谐的积极力量，在当前社会具有很深的现实意义。战国时期，墨子提出的思想主张是（    ）

C

     There are many festivals at our school. This month is October. In October there is a sports festival. We have the volleyball game and the basketball game during(在……期间) the festival. On October 15th，there is an English festival. On that day we have an English speech contest(演讲比赛)．On October 19th，we have a school trip. We go to Beijing with the teachers. On the last day of this month，there is a music festival. On that day we can enjoy beautiful music. It's really wonderful. Next month，there is an art festival. Students often display(展示) their pictures on that day.

世界最大的新技术、新产品开发中心—“硅谷”位于（　　）