在英国,科技课是中小学的选修课,为了激发学生对科技的学习兴趣,英国几家科技协会特意组织科学家选出了几十条非常有趣的科技知识。对不少人来说,这些知识可能是闻所未闻的。1.世界上第一个鼠标是用木头制作的。2.埃菲尔铁塔的高度并不是固定不变的,它随着温度的变化有15.3厘米的高度差。3.世界上第一条短信的内容是:“圣诞快乐!”4.每根铅笔的使用寿命相当于写4.5万个单词, In the United Kingdom, science and technology classes are elective courses in primary and secondary schools. In order to stimulate students’ interest in science and technology, several technology associations in the United Kingdom specially organized scientists to select dozens of very interesting scientific and technological knowledge. For many people, this knowledge may be unheard of. The world’s first mouse is made of wood. 2. The height of the Eiffel Tower is not fixed, it has a 15.3 cm height difference as the temperature changes. 3. The content of the world’s first message is: “Merry Christmas!” 4. Each pencil’s life equivalent to write 45,000 words,