题目

BHow funny would it be to see memes(表情包) in our textbooks? Fourteen high school students from Sichuan Province have made this a reality.They wrote a set of creative textbooks that includes five subjects: Chinese, English, Maths, Chemistry and Physics. They share their notes and experiences to help you prepare for high school entrance exams. You can see funny memes almost everywhere in their textbooks. The language they use is not too serious.Each textbook has its own highlights(亮点), too. The English textbook introduces tongue twisters(绕口令), movies and TV series. The chemistry t夏天，在天平左盘中放一敞口玻璃杯，杯中有一冰块，右盘中放有一定质量的砝码，这时天平是平衡的，过了几分钟后，天平失去了平衡，天平向______倾斜了，原因是__________________________________。