题目内容：

    This year, the Spring Equinox(春分), the fourth of the 24 solar terms (节气), falls on March 20. It m1. the most lively days of spring have come.

The Spring Equinox marks the point when day and n2. equally divide the whole day. After this day, daytime will last l3. than night. Therefore, it is not only important in China, but also in many other c4. around the world. Spring Equinox Day is a public holiday in Japan. In Iran(伊朗), it is called “Nowruz”, which is also known as the Iranian New Year.

Spring Equinox is the best time for going o5., admiring flowers and flying kites in China. There are also rituals (仪式) that have been kept over centuries, such as balancing e6.. The idea is that on Spring Equinox, Earth’s axis (轴) is perpendicular (垂直的) to the sun. So Earth is more balanced on this day. It’s usually very d7. to balance an egg because the yolk (蛋黄) is off-center. But on Spring Equinox, it is believed that there are some special gravitational (引力的) forces that can h8.. However, this isn’t true. If you focus long enough, you can actually balance an egg on its end any day of the year. All you need is a lot of p9.. But balancing eggs is still a fun tradition for people. In some places, people p10. the eggs in many colors and hold egg-balancing competitions.